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Kolageni - Revision history
2024-03-29T05:15:49Z
Revision history for this page on the wiki
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MDolinar: /* Viri */
2010-10-22T13:31:27Z
<p><span dir="auto"><span class="autocomment">Viri</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:31, 22 October 2010</td>
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MDolinar
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=2986&oldid=prev
MDolinar at 17:41, 26 January 2010
2010-01-26T17:41:27Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:41, 26 January 2010</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kolagen je protein medceličnine. Spada med fibrilarne proteine. Je najbolj zastopan protein našega telesa in predstavlja 25% vseh proteinov v telesu. Veliko ga je v tetivah mišic, kosteh, zobeh, hrustancu in koži pa tudi v stenah vseh telesnih organov. Organizacija molekul kolagena v medceličnini vpliva na lastnosti posameznih tkiv, adherentne <del style="font-weight: bold; text-decoration: none;">povezave </del>in [http://en.wikipedia.org/wiki/Phenotype fenotip celic]. Njegova lastnost je velika natezna trdnost, skupaj s [http://en.wikipedia.org/wiki/Keratin keratinom] pa vpliva na čvrstost in elastičnost kože. Posledica procesa staranja je <del style="font-weight: bold; text-decoration: none;">degradacija </del>kolagena, <del style="font-weight: bold; text-decoration: none;">katera </del>vodi do nastanka kožnih gub.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kolagen je protein medceličnine. Spada med fibrilarne proteine. Je najbolj zastopan protein našega telesa in predstavlja 25% vseh proteinov v telesu. Veliko ga je v tetivah mišic, kosteh, zobeh, hrustancu in koži pa tudi v stenah vseh telesnih organov. Organizacija molekul kolagena v medceličnini vpliva na lastnosti posameznih tkiv, adherentne <ins style="font-weight: bold; text-decoration: none;">stike </ins>in [http://en.wikipedia.org/wiki/Phenotype fenotip celic]. Njegova lastnost je velika natezna trdnost, skupaj s [http://en.wikipedia.org/wiki/Keratin keratinom] pa vpliva na čvrstost in elastičnost kože. Posledica procesa staranja je <ins style="font-weight: bold; text-decoration: none;">razgrajevanje </ins>kolagena, <ins style="font-weight: bold; text-decoration: none;">ki </ins>vodi do nastanka kožnih gub.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Intenzivno preučevanje kolagenskih molekul se je začelo v prvi polovici 20. stoletja.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Intenzivno preučevanje kolagenskih molekul se je začelo v prvi polovici 20. stoletja.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Zgradba ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Zgradba ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif <del style="font-weight: bold; text-decoration: none;">slika1</del>] je zgrajen iz treh alfa <del style="font-weight: bold; text-decoration: none;">verig</del>, ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 <del style="font-weight: bold; text-decoration: none;">glicina </del>ter 1/6 <del style="font-weight: bold; text-decoration: none;">prolina </del>in <del style="font-weight: bold; text-decoration: none;">hidroksiprolina</del>. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda <del style="font-weight: bold; text-decoration: none;">nevzven</del>. <del style="font-weight: bold; text-decoration: none;">Struktura je stabilizirana z </del>[http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 <del style="font-weight: bold; text-decoration: none;">vodikovimi vezmi</del>], ki potekajo med vodikom N-H <del style="font-weight: bold; text-decoration: none;">skupine </del>in kisikom C=O <del style="font-weight: bold; text-decoration: none;">skupine </del>v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif <ins style="font-weight: bold; text-decoration: none;">(slika 1)</ins>] je zgrajen iz treh <ins style="font-weight: bold; text-decoration: none;">verig </ins>alfa, ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 <ins style="font-weight: bold; text-decoration: none;">glicinskih </ins>ter 1/6 <ins style="font-weight: bold; text-decoration: none;">prolinskih </ins>in <ins style="font-weight: bold; text-decoration: none;">hidroksiprolinskih ostankov</ins>. Stranska veriga glicina (H<ins style="font-weight: bold; text-decoration: none;">-</ins>atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda <ins style="font-weight: bold; text-decoration: none;">navzven</ins>. <ins style="font-weight: bold; text-decoration: none;">Strukturo stabilizirajo </ins>[http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 <ins style="font-weight: bold; text-decoration: none;">vodikove vezi</ins>], ki potekajo med vodikom <ins style="font-weight: bold; text-decoration: none;">skupine </ins>N-H in kisikom <ins style="font-weight: bold; text-decoration: none;">skupine </ins>C=O v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Vzorec <del style="font-weight: bold; text-decoration: none;">aminokislin </del>v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg <del style="font-weight: bold; text-decoration: none;">slika2</del>]. Glicin zaseda vsako tretje mesto v verigi.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Vzorec <ins style="font-weight: bold; text-decoration: none;">aminokislinskih ostankov </ins>v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg <ins style="font-weight: bold; text-decoration: none;">(slika 2)</ins>]. Glicin zaseda vsako tretje mesto v verigi.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif <del style="font-weight: bold; text-decoration: none;">slika3</del>], <del style="font-weight: bold; text-decoration: none;">katera </del>so zelo odporna proti natezni sili, le-ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif <ins style="font-weight: bold; text-decoration: none;">(slika 3)</ins>], <ins style="font-weight: bold; text-decoration: none;">ki </ins>so zelo odporna proti natezni sili, le-ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Poznamo različne tipe kolagenov, ki tvorijo različna vlakna in različne višje strukture. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Poznamo različne tipe kolagenov, ki tvorijo različna vlakna in različne višje strukture. </div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kolagen izločajo [http://en.wikipedia.org/wiki/Fibroblasts fibroblasti] [http://intcom.com.vn/en/uploads/spaw/news/1222746444.nv.jpg <del style="font-weight: bold; text-decoration: none;">slika4</del>] in [http://en.wikipedia.org/wiki/Epithelial_cell epitelne celice]. V ribosomih nastanejo <del style="font-weight: bold; text-decoration: none;">alfa </del>polipeptidne verige, ki preidejo v lumen zrnatega [http://sl.wikipedia.org/wiki/Endoplazemski_retikulum <del style="font-weight: bold; text-decoration: none;">endoplazmatskega </del>retikuluma](ER). Prekurzor kolagenskih verig se imenuje prokolagen. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kolagen izločajo [http://en.wikipedia.org/wiki/Fibroblasts fibroblasti] [http://intcom.com.vn/en/uploads/spaw/news/1222746444.nv.jpg <ins style="font-weight: bold; text-decoration: none;">(slika 4)</ins>] in [http://en.wikipedia.org/wiki/Epithelial_cell epitelne celice]. V ribosomih nastanejo polipeptidne verige <ins style="font-weight: bold; text-decoration: none;">alfa</ins>, ki preidejo v lumen zrnatega [http://sl.wikipedia.org/wiki/Endoplazemski_retikulum <ins style="font-weight: bold; text-decoration: none;">endoplazemskega </ins>retikuluma](ER). Prekurzor kolagenskih verig se imenuje prokolagen. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Prokolagenski polipeptid se modificira v ER, kjer poteče hidroksilacija, tvorba disulfidnih vezi in glikozilacija. ER je tudi mesto, kjer se po tri pro-alfa verige povežejo v trojno vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Prokolagenski polipeptid se modificira v ER, kjer poteče hidroksilacija, tvorba disulfidnih vezi in glikozilacija. ER je tudi mesto, kjer se po tri pro-alfa verige povežejo v trojno vijačnico.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Hidroksilacija [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6548 lizina] in prolina je pod vplivom vitamina C. Če je <del style="font-weight: bold; text-decoration: none;">le-tega </del>premalo, hidroksilacija ne poteče. Vitamin C je namreč kofaktor encimov hidroksilaz, posledica njegovega <del style="font-weight: bold; text-decoration: none;">pomankanja </del>pa je bolezen [http://sl.wikipedia.org/wiki/Skorbut skorbut].</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Hidroksilacija [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6548 lizina] in prolina je pod vplivom vitamina C. Če <ins style="font-weight: bold; text-decoration: none;">ga </ins>je premalo, hidroksilacija ne poteče. Vitamin C je namreč kofaktor encimov hidroksilaz, posledica njegovega <ins style="font-weight: bold; text-decoration: none;">pomanjkanja </ins>pa je bolezen [http://sl.wikipedia.org/wiki/Skorbut skorbut].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- <del style="font-weight: bold; text-decoration: none;">terminalnimi propeptidi </del>in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- <ins style="font-weight: bold; text-decoration: none;">končnimi deli propeptidov </ins>in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v zrnatem ER in <del style="font-weight: bold; text-decoration: none;">golgijevem </del>aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-<del style="font-weight: bold; text-decoration: none;">terminalnega </del>propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze, <del style="font-weight: bold; text-decoration: none;">katere </del>odstranijo N- in C- <del style="font-weight: bold; text-decoration: none;">terminalne </del>propeptide (ti so na koncu vsake pro-alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. <del style="font-weight: bold; text-decoration: none;">Terminalni </del>propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice<del style="font-weight: bold; text-decoration: none;">. </del>[http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 <del style="font-weight: bold; text-decoration: none;">slika5</del>]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v zrnatem ER in <ins style="font-weight: bold; text-decoration: none;">Golgijevem </ins>aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-<ins style="font-weight: bold; text-decoration: none;">končnega </ins>propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen<ins style="font-weight: bold; text-decoration: none;">-</ins>peptidaze, <ins style="font-weight: bold; text-decoration: none;">ki </ins>odstranijo N- in C- <ins style="font-weight: bold; text-decoration: none;">končne </ins>propeptide (ti so na koncu vsake pro-alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. <ins style="font-weight: bold; text-decoration: none;">Končni </ins>propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 <ins style="font-weight: bold; text-decoration: none;">(slika 5)</ins>]<ins style="font-weight: bold; text-decoration: none;">.</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l29">Line 29:</td>
<td colspan="2" class="diff-lineno">Line 29:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Tipi ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Tipi ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Poznamo 19 tipov kolagena. Razlikujejo se glede na zaporedje aminokislin v posameznih verigah: lahko so vse tri verige <del style="font-weight: bold; text-decoration: none;">identične</del>, lahko sta enaki dve, ali pa se vse tri razlikujejo. Najpogostejši tipi kolagena v našem telesu so <del style="font-weight: bold; text-decoration: none;">kolagen </del>I, II, III, IV.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Poznamo 19 tipov kolagena. Razlikujejo se glede na zaporedje aminokislin v posameznih verigah: lahko so vse tri verige <ins style="font-weight: bold; text-decoration: none;">enake</ins>, lahko sta enaki dve, ali pa se vse tri razlikujejo. Najpogostejši tipi kolagena v našem telesu so <ins style="font-weight: bold; text-decoration: none;">kolageni </ins>I, II, III, IV.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><table border=1 cellpadding=2 cellspacing=0></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><table border=1 cellpadding=2 cellspacing=0></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l40">Line 40:</td>
<td colspan="2" class="diff-lineno">Line 40:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>I</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>I</td></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td ><del style="font-weight: bold; text-decoration: none;">300nm dolge fibrile</del>, v različnih tkivih se povezuje z nekaterimi ostalimi tipi</td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td ><ins style="font-weight: bold; text-decoration: none;">300 nm dolgi fibrili</ins>, v različnih tkivih se povezuje z nekaterimi ostalimi tipi</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td >koža, tetive, kosti, stene arterij</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td >koža, tetive, kosti, stene arterij</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td >[http://en.wikipedia.org/wiki/Ehlers-Danlos_syndrome Ehlers-Danlosov sindrom] (zelo raztegljiva koža), zgodnja kortikalna hiperostoza (povečana količina kostnine)</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td >[http://en.wikipedia.org/wiki/Ehlers-Danlos_syndrome Ehlers-Danlosov sindrom] (zelo raztegljiva koža), zgodnja kortikalna hiperostoza (povečana količina kostnine)</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l46">Line 46:</td>
<td colspan="2" class="diff-lineno">Line 46:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>II</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>II</td></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td><del style="font-weight: bold; text-decoration: none;">300nm dolge fibrile</del>, v matriksu je navzkrižno povezan s kolagenom IX na proteoglikane</td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td><ins style="font-weight: bold; text-decoration: none;">300 nm dolgi fibrili</ins>, v <ins style="font-weight: bold; text-decoration: none;">medceličnem </ins>matriksu je navzkrižno povezan s kolagenom IX na proteoglikane</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>hrustanec</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>hrustanec</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>kolagenoza (sistemska vezivna bolezen)</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>kolagenoza (sistemska vezivna bolezen)</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l52">Line 52:</td>
<td colspan="2" class="diff-lineno">Line 52:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>III</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>III</td></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td><del style="font-weight: bold; text-decoration: none;">300nm dolge fibrile</del>, pogosto povezovanje s tipom I</td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td><ins style="font-weight: bold; text-decoration: none;">300 nm dolgi fibrili</ins>, pogosto povezovanje s tipom I</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>koža, mišice, stene krvnih žil</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>koža, mišice, stene krvnih žil</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>Ehlers-Danlosov sindrom</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>Ehlers-Danlosov sindrom</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l58">Line 58:</td>
<td colspan="2" class="diff-lineno">Line 58:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>IV</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>IV</td></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td>dvodimenzionalna mreža v bazalni lamini [http://www.e22.physik.tu-muenchen.de/bausch/What%20I%20do_files/image001.jpg <del style="font-weight: bold; text-decoration: none;">slika6</del>] </td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td>dvodimenzionalna mreža v bazalni lamini [http://www.e22.physik.tu-muenchen.de/bausch/What%20I%20do_files/image001.jpg <ins style="font-weight: bold; text-decoration: none;">(slika 6)</ins>] </td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>bazalne lamine vseh celic</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>bazalne lamine vseh celic</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>Alportov sindrom, [http://en.wikipedia.org/wiki/Goodpasture_syndrome Goodpastureov sindrom]</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>Alportov sindrom, [http://en.wikipedia.org/wiki/Goodpasture_syndrome Goodpastureov sindrom]</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l69">Line 69:</td>
<td colspan="2" class="diff-lineno">Line 69:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Uporaba ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Uporaba ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Prehrana: za idelavo želatine [http://images.google.si/imgres?imgurl=http://www.rcsb.org/pdb/education_discussion/molecule_of_the_month/images/1cag_bonds.gif&imgrefurl=http://diybio4beginners.blogspot.com/2009/02/molocule-mondays-understanding-collagen.html&usg=__qANaHR1YK0ppoQzsAeyp43a5JwE=&h=397&w=478&sz=23&hl=sl&start=39&tbnid=59LAz-xnQV6LJM:&tbnh=107&tbnw=129&prev=/images%3Fq%3Dcollagen%2Bstructure%26gbv%3D2%26ndsp%3D21%26hl%3Dsl%26sa%3DN%26start%3D21 <del style="font-weight: bold; text-decoration: none;">video1</del>] , prehranski dodatki</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Prehrana: za idelavo želatine [http://images.google.si/imgres?imgurl=http://www.rcsb.org/pdb/education_discussion/molecule_of_the_month/images/1cag_bonds.gif&imgrefurl=http://diybio4beginners.blogspot.com/2009/02/molocule-mondays-understanding-collagen.html&usg=__qANaHR1YK0ppoQzsAeyp43a5JwE=&h=397&w=478&sz=23&hl=sl&start=39&tbnid=59LAz-xnQV6LJM:&tbnh=107&tbnw=129&prev=/images%3Fq%3Dcollagen%2Bstructure%26gbv%3D2%26ndsp%3D21%26hl%3Dsl%26sa%3DN%26start%3D21 <ins style="font-weight: bold; text-decoration: none;">(video 1)</ins>] , prehranski dodatki<ins style="font-weight: bold; text-decoration: none;">.</ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Medicina: uporaba v lepotni kirurgiji, kolagenski vsadki</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Medicina: uporaba v lepotni kirurgiji, kolagenski vsadki<ins style="font-weight: bold; text-decoration: none;">.</ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Kozmetika: izdelki proti staranju kože</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Kozmetika: izdelki proti staranju kože<ins style="font-weight: bold; text-decoration: none;">.</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l77">Line 77:</td>
<td colspan="2" class="diff-lineno">Line 77:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Viri ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Viri ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#Veranič P, Romih R in Pšeničnik M. ''Praktični pouk celične biologije.'' 2. izdaja. Ljubljana: Tehniška založba Slovenije<del style="font-weight: bold; text-decoration: none;">, d.d.</del>, 2005</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#Veranič P, Romih R in Pšeničnik M. ''Praktični pouk celične biologije.'' 2. izdaja. Ljubljana: Tehniška založba Slovenije, 2005</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#http://en.wikipedia.org/wiki/Collagen</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#http://en.wikipedia.org/wiki/Collagen</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542</div></td></tr>
</table>
MDolinar
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=794&oldid=prev
Abombac at 13:31, 28 November 2009
2009-11-28T13:31:04Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:31, 28 November 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l8">Line 8:</td>
<td colspan="2" class="diff-lineno">Line 8:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif slika1] je zgrajen iz treh alfa verig, ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 glicina ter 1/6 prolina in hidroksiprolina. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda nevzven. Struktura je stabilizirana z [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 vodikovimi vezmi], ki potekajo med vodikom N-H skupine in kisikom C=O skupine v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif slika1] je zgrajen iz treh alfa verig, ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 glicina ter 1/6 prolina in hidroksiprolina. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda nevzven. Struktura je stabilizirana z [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 vodikovimi vezmi], ki potekajo med vodikom N-H skupine in kisikom C=O skupine v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Vzorec aminokislin v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg slika2]. Glicin zaseda vsako tretje mesto v verigi.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Vzorec aminokislin v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg slika2]. Glicin zaseda vsako tretje mesto v verigi.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif slika3], <del style="font-weight: bold; text-decoration: none;">ki </del>so zelo odporna proti natezni sili, le-ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif slika3], <ins style="font-weight: bold; text-decoration: none;">katera </ins>so zelo odporna proti natezni sili, le-ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Poznamo različne tipe kolagenov, ki tvorijo različna vlakna in različne višje strukture. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Poznamo različne tipe kolagenov, ki tvorijo različna vlakna in različne višje strukture. </div></td></tr>
</table>
Abombac
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=793&oldid=prev
Abombac at 13:11, 28 November 2009
2009-11-28T13:11:14Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:11, 28 November 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Zgradba ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Zgradba ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif slika1] je zgrajen iz treh alfa verig, ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 glicina ter 1/6 prolina in hidroksiprolina. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda nevzven. Struktura je stabilizirana z [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 vodikovimi vezmi], <del style="font-weight: bold; text-decoration: none;">katere </del>potekajo med vodikom N-H skupine in kisikom C=O skupine v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif slika1] je zgrajen iz treh alfa verig, ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 glicina ter 1/6 prolina in hidroksiprolina. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda nevzven. Struktura je stabilizirana z [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 vodikovimi vezmi], <ins style="font-weight: bold; text-decoration: none;">ki </ins>potekajo med vodikom N-H skupine in kisikom C=O skupine v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Vzorec aminokislin v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg slika2]. Glicin zaseda vsako tretje mesto v verigi.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Vzorec aminokislin v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg slika2]. Glicin zaseda vsako tretje mesto v verigi.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif slika3], ki so zelo odporna proti natezni sili, le-ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif slika3], ki so zelo odporna proti natezni sili, le-ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l23">Line 23:</td>
<td colspan="2" class="diff-lineno">Line 23:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v zrnatem ER in golgijevem aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-terminalnega propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze, katere odstranijo N- in C- terminalne propeptide (ti so na koncu vsake pro alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. Terminalni propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice. [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 slika5]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v zrnatem ER in golgijevem aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-terminalnega propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze, katere odstranijo N- in C- terminalne propeptide (ti so na koncu vsake pro<ins style="font-weight: bold; text-decoration: none;">-</ins>alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. Terminalni propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice. [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 slika5]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr>
</table>
Abombac
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=792&oldid=prev
Abombac at 12:30, 28 November 2009
2009-11-28T12:30:53Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:30, 28 November 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td>
<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kolagen je protein medceličnine. Spada med fibrilarne proteine. Je najbolj zastopan protein našega telesa in predstavlja 25% vseh proteinov v telesu. Veliko ga je v tetivah mišic, kosteh, zobeh, hrustancu in koži pa tudi v stenah vseh telesnih organov. Organizacija molekul kolagena v medceličnini vpliva na lastnosti posameznih tkiv, adherentne povezave in [http://en.wikipedia.org/wiki/Phenotype fenotip celic]. Njegova lastnost je velika natezna trdnost, skupaj s [http://en.wikipedia.org/wiki/Keratin keratinom] pa vpliva na čvrstost in elastičnost kože. Posledica staranja je degradacija kolagena, <del style="font-weight: bold; text-decoration: none;">ki </del>vodi do nastanka kožnih gub.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kolagen je protein medceličnine. Spada med fibrilarne proteine. Je najbolj zastopan protein našega telesa in predstavlja 25% vseh proteinov v telesu. Veliko ga je v tetivah mišic, kosteh, zobeh, hrustancu in koži pa tudi v stenah vseh telesnih organov. Organizacija molekul kolagena v medceličnini vpliva na lastnosti posameznih tkiv, adherentne povezave in [http://en.wikipedia.org/wiki/Phenotype fenotip celic]. Njegova lastnost je velika natezna trdnost, skupaj s [http://en.wikipedia.org/wiki/Keratin keratinom] pa vpliva na čvrstost in elastičnost kože. Posledica <ins style="font-weight: bold; text-decoration: none;">procesa </ins>staranja je degradacija kolagena, <ins style="font-weight: bold; text-decoration: none;">katera </ins>vodi do nastanka kožnih gub.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Intenzivno preučevanje kolagenskih molekul se je začelo v prvi polovici 20. stoletja.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Intenzivno preučevanje kolagenskih molekul se je začelo v prvi polovici 20. stoletja.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6">Line 6:</td>
<td colspan="2" class="diff-lineno">Line 6:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Zgradba ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Zgradba ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif slika1] je zgrajen iz treh alfa verig ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 glicina ter 1/6 prolina in hidroksiprolina. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda nevzven. Struktura je stabilizirana z [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 vodikovimi vezmi], <del style="font-weight: bold; text-decoration: none;">ki </del>potekajo med vodikom N-H skupine in kisikom C=O skupine v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif slika1] je zgrajen iz treh alfa verig<ins style="font-weight: bold; text-decoration: none;">, </ins>ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 glicina ter 1/6 prolina in hidroksiprolina. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda nevzven. Struktura je stabilizirana z [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 vodikovimi vezmi], <ins style="font-weight: bold; text-decoration: none;">katere </ins>potekajo med vodikom N-H skupine in kisikom C=O skupine v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Vzorec aminokislin v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg slika2]. Glicin zaseda vsako tretje mesto v verigi.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Vzorec aminokislin v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg slika2]. Glicin zaseda vsako tretje mesto v verigi.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif slika3], ki so zelo odporna proti natezni sili, le-ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif slika3], ki so zelo odporna proti natezni sili, le-ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l15">Line 15:</td>
<td colspan="2" class="diff-lineno">Line 15:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Sinteza ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Sinteza ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kolagen izločajo [http://en.wikipedia.org/wiki/Fibroblasts fibroblasti] [http://intcom.com.vn/en/uploads/spaw/news/1222746444.nv.jpg slika4] in [http://en.wikipedia.org/wiki/Epithelial_cell epitelne celice]. V ribosomih nastanejo <del style="font-weight: bold; text-decoration: none;"> </del>alfa polipeptidne verige, ki preidejo v lumen zrnatega [http://sl.wikipedia.org/wiki/Endoplazemski_retikulum endoplazmatskega retikuluma] (ER). Prekurzor kolagenskih verig se imenuje prokolagen. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kolagen izločajo [http://en.wikipedia.org/wiki/Fibroblasts fibroblasti] [http://intcom.com.vn/en/uploads/spaw/news/1222746444.nv.jpg slika4] in [http://en.wikipedia.org/wiki/Epithelial_cell epitelne celice]. V ribosomih nastanejo alfa polipeptidne verige, ki preidejo v lumen zrnatega [http://sl.wikipedia.org/wiki/Endoplazemski_retikulum endoplazmatskega retikuluma](ER). Prekurzor kolagenskih verig se imenuje prokolagen. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Prokolagenski polipeptid se modificira v ER, kjer poteče hidroksilacija, tvorba disulfidnih vezi in glikozilacija. ER je tudi mesto, kjer se po tri pro-alfa verige povežejo v trojno vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Prokolagenski polipeptid se modificira v ER, kjer poteče hidroksilacija, tvorba disulfidnih vezi in glikozilacija. ER je tudi mesto, kjer se po tri pro-alfa verige povežejo v trojno vijačnico.</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l23">Line 23:</td>
<td colspan="2" class="diff-lineno">Line 23:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v zrnatem ER in golgijevem aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-terminalnega propeptida <del style="font-weight: bold; text-decoration: none;"> </del>pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze <del style="font-weight: bold; text-decoration: none;">ki </del>odstranijo N- in C- terminalne propeptide (<del style="font-weight: bold; text-decoration: none;">te </del>so na koncu vsake pro alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. Terminalni propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice. [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 slika5]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v zrnatem ER in golgijevem aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-terminalnega propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze<ins style="font-weight: bold; text-decoration: none;">, katere </ins>odstranijo N- in C- terminalne propeptide (<ins style="font-weight: bold; text-decoration: none;">ti </ins>so na koncu vsake pro alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. Terminalni propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice. [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 slika5]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Tipi ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Tipi ===</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Poznamo 19 tipov kolagena. Razlikujejo se glede na <del style="font-weight: bold; text-decoration: none;">sekvenco </del>aminokislin v posameznih verigah: lahko so vse tri verige identične, lahko sta enaki dve, ali pa se vse tri razlikujejo. Najpogostejši tipi kolagena v našem telesu so kolagen I, II, III, IV.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Poznamo 19 tipov kolagena. Razlikujejo se glede na <ins style="font-weight: bold; text-decoration: none;">zaporedje </ins>aminokislin v posameznih verigah: lahko so vse tri verige identične, lahko sta enaki dve, ali pa se vse tri razlikujejo. Najpogostejši tipi kolagena v našem telesu so kolagen I, II, III, IV.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><table border=1 cellpadding=2 cellspacing=0></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><table border=1 cellpadding=2 cellspacing=0></div></td></tr>
</table>
Abombac
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=621&oldid=prev
Abombac at 19:37, 23 November 2009
2009-11-23T19:37:14Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:37, 23 November 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l8">Line 8:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif slika1] je zgrajen iz treh alfa verig ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 glicina ter 1/6 prolina in hidroksiprolina. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda nevzven. Struktura je stabilizirana z [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 vodikovimi vezmi], ki potekajo med vodikom N-H skupine in kisikom C=O skupine v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kolagen [http://asweknowit.net/images_edu/DWA5%20collagen.gif slika1] je zgrajen iz treh alfa verig ki so med seboj povezane v trojno vijačnico. Verige vsebujejo 1/3 glicina ter 1/6 prolina in hidroksiprolina. Stranska veriga glicina (H atom) je tako majhna, da je lahko obrnjena v notranjost trojne vijačnice, obroč prolina in hidroksiprolina pa gleda nevzven. Struktura je stabilizirana z [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A7315&rendertype=def-item&id=A7574 vodikovimi vezmi], ki potekajo med vodikom N-H skupine in kisikom C=O skupine v [http://sl.wikipedia.org/wiki/Peptidna_vez peptidni vezi].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Vzorec aminokislin v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg slika2]. Glicin zaseda vsako tretje mesto v verigi.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Vzorec aminokislin v posamezni verigi je Gly-X-Y, kjer je X pogosto prolin, Y pa hidroksiprolin [http://www.chemistryland.com/ElementarySchool/BuildingBlocks/collegenAminoAcids.jpg slika2]. Glicin zaseda vsako tretje mesto v verigi.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif slika3], ki so zelo odporna proti natezni sili, le ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Posamezne molekule kolagena se zunaj celice povezujejo v kolagenska vlakna [http://www.nowpublishers.com/10.1561%5CCGV06%5C0600000013%5Ccgv0138x.gif slika3], ki so zelo odporna proti natezni sili, le<ins style="font-weight: bold; text-decoration: none;">-</ins>ta pa je odvisna od načina povezav in količine kolagenskih vlaken.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Poznamo različne tipe kolagenov, ki tvorijo različna vlakna in različne višje strukture. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Poznamo različne tipe kolagenov, ki tvorijo različna vlakna in različne višje strukture. </div></td></tr>
</table>
Abombac
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=620&oldid=prev
Abombac at 19:28, 23 November 2009
2009-11-23T19:28:20Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
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<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:28, 23 November 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l19">Line 19:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Prokolagenski polipeptid se modificira v ER, kjer poteče hidroksilacija, tvorba disulfidnih vezi in glikozilacija. ER je tudi mesto, kjer se po tri pro-alfa verige povežejo v trojno vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Prokolagenski polipeptid se modificira v ER, kjer poteče hidroksilacija, tvorba disulfidnih vezi in glikozilacija. ER je tudi mesto, kjer se po tri pro-alfa verige povežejo v trojno vijačnico.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Hidroksilacija [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6548 lizina] in prolina je pod vplivom vitamina C. Če je tega premalo, hidroksilacija ne poteče. Vitamin C je namreč kofaktor encimov hidroksilaz, posledica njegovega pomankanja pa je bolezen [http://sl.wikipedia.org/wiki/Skorbut skorbut].</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Hidroksilacija [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6548 lizina] in prolina je pod vplivom vitamina C. Če je <ins style="font-weight: bold; text-decoration: none;">le-</ins>tega premalo, hidroksilacija ne poteče. Vitamin C je namreč kofaktor encimov hidroksilaz, posledica njegovega pomankanja pa je bolezen [http://sl.wikipedia.org/wiki/Skorbut skorbut].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td></tr>
</table>
Abombac
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=597&oldid=prev
Piapuzar at 18:56, 22 November 2009
2009-11-22T18:56:04Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:56, 22 November 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><tr></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td>IV [http://www.e22.physik.tu-muenchen.de/bausch/What%20I%20do_files/image001.jpg slika6] <del style="font-weight: bold; text-decoration: none;"></td></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td>IV<ins style="font-weight: bold; text-decoration: none;"></td></ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><td>dvodimenzionalna mreža v bazalni lamini</del></td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><td>dvodimenzionalna mreža v bazalni lamini </ins>[http://www.e22.physik.tu-muenchen.de/bausch/What%20I%20do_files/image001.jpg slika6] </td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>bazalne lamine vseh celic</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>bazalne lamine vseh celic</td></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>Alportov sindrom, [http://en.wikipedia.org/wiki/Goodpasture_syndrome Goodpastureov sindrom]</td></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><td>Alportov sindrom, [http://en.wikipedia.org/wiki/Goodpasture_syndrome Goodpastureov sindrom]</td></div></td></tr>
</table>
Piapuzar
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=596&oldid=prev
Piapuzar at 18:54, 22 November 2009
2009-11-22T18:54:29Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:54, 22 November 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l22">Line 22:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v zrnatem ER in golgijevem aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-terminalnega propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze ki odstranijo N- in C- terminalne propeptide (te so na koncu vsake pro alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. Terminalni propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice. [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 slika5]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v zrnatem ER in golgijevem aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-terminalnega propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze ki odstranijo N- in C- terminalne propeptide (te so na koncu vsake pro alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. Terminalni propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice. [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 slika5]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
</table>
Piapuzar
https://wiki.fkkt.uni-lj.si/index.php?title=Kolageni&diff=595&oldid=prev
Piapuzar at 18:53, 22 November 2009
2009-11-22T18:53:01Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:53, 22 November 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Prokolagenski polipeptid se modificira v ER, kjer poteče hidroksilacija, tvorba disulfidnih vezi in glikozilacija. ER je tudi mesto, kjer se po tri pro-alfa verige povežejo v trojno vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Prokolagenski polipeptid se modificira v ER, kjer poteče hidroksilacija, tvorba disulfidnih vezi in glikozilacija. ER je tudi mesto, kjer se po tri pro-alfa verige povežejo v trojno vijačnico.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Hidroksilacija lizina in prolina je pod vplivom vitamina C. Če je tega premalo, hidroksilacija ne poteče. Vitamin C je namreč kofaktor encimov hidroksilaz, posledica njegovega pomankanja pa je bolezen [http://sl.wikipedia.org/wiki/Skorbut skorbut].</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Hidroksilacija <ins style="font-weight: bold; text-decoration: none;">[http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6548 </ins>lizina<ins style="font-weight: bold; text-decoration: none;">] </ins>in prolina je pod vplivom vitamina C. Če je tega premalo, hidroksilacija ne poteče. Vitamin C je namreč kofaktor encimov hidroksilaz, posledica njegovega pomankanja pa je bolezen [http://sl.wikipedia.org/wiki/Skorbut skorbut].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tvorba disulfidnih vezi poteka med N- in C- terminalnimi propeptidi in omogoča povezavo treh verig v trojno alfa vijačnico.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v <del style="font-weight: bold; text-decoration: none;">granuliranem </del>ER in golgijevem aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-terminalnega propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze ki odstranijo N- in C- terminalne propeptide (te so na koncu vsake pro alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. Terminalni propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice. [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 slika5]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[http://en.wikipedia.org/wiki/Glycosylation Glikozilacija] poteka v <ins style="font-weight: bold; text-decoration: none;">zrnatem </ins>ER in golgijevem aparatu. Na hidroksilizinske ostanke se dodata glukoza in galaktoza. Na določene asparaginske ostanke C-terminalnega propeptida pa se dodajo oligosaharidne enote. Glikozilacija proteina je potrebna za sekrecijo proteina iz celice, ki poteka z eksocitozo. Zunaj celice delujejo prokolagen peptidaze ki odstranijo N- in C- terminalne propeptide (te so na koncu vsake pro alfa verige). To omogoči kolagenskim molekulam povezavo v kolagenska vlakna. Terminalni propeptidi torej inhibirajo nastanek kolagenskih vlaken znotraj celice. [http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A6542&rendertype=figure&id=A6551 slika5]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr>
</table>
Piapuzar