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Vpliv kalcijevih ionov na morfologijo in metabolizem človeških artikularnih hondrocitov : magistrsko delo = The influence of calcium ions on the morphology and metabolism of human articular chondrocytes : master of science thesisKoselj, SamoZ namenom, da bi ugotovili kakšen je fenotip človeških hondrocitov iz sklepnega hrustanca v enoslojni kulturi, smo vpeljali imunofluorescenčno metodo s katero smo dokazovali prisotnost kolagenov tipa ... I in II ter agrekana v celicah. Dokazali smo, da te celice po štirih tednih gojenja v enoslojni kulturi izdelujejo poleg kolagena tipa I še kolagen tipa II in agrekan. Z namenom, da bi ugotovili kako zunajcelična in znotrajcelična koncentracija prostih kalcijevih ionov vplivata na obliko človeških sklepnih hondrocitov, smo celice gojili v gojišču s kalcijevimi ioni, v gojišču v katerem smo proste kalcijeve ione vezali z EGTA ter v gojišču z ionomicinom. Pokazali smo, da je v gojišču brez prostih kalcijevih ionov stabilna okrogla oblika, v gojišču s kalcijevimi ioni pa sploščena oblika hondrocita. Po prenosu okroglih celic v gojišče s kalcijevimi ioni, le-te začnejo prehajati iz okrogle v sploščeno obliko. Povečana koncentracija prostih kalcijevih ionov v citosolu zmanjša hitrost tega prehajanja. Pokazali smo tudi, da med prehodom celic iz sploščene v okroglo obliko pride do nagubanja celične površine ter do tvorbe drobnih citoplazemskih izrastkov in velikih znotrajceličnih veziklov.Da bi ugotovili, kako kalcij vpliva na presnovo hondrocitov, smo celice v enoslojni kulturi gojili v gojišču s kalcijevimi ioni, nato pa v gojišču brez njih. Ugotovili smo, da v gojišču s kalcijevimi ioni hondrociti intenzivno izdelujejo kolagena tip I in II ter agrekan. V gojišču brez teh ionov, se hitrost izdelovanja vseh treh metabolitov občutno zmanjša.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [BF, Oddelek za živilstvo] : [S. Koselj], 2000Language - slovenianCOBISS.SI-ID - 2391160
Author
Koselj, Samo
Other authors
Zorec, Robert, 1958- |
Jeras, Matjaž
Topics
hondrociti |
hrustančne celice |
oblika hondrocitov |
presnova hondrocitov |
kalcijevi ioni |
kolageni |
agrekan |
chondrocytes |
morphology |
metabolism |
calcium ions |
collagens |
aggrecan
Library | Call number – location, accession no. ... | Copy status |
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BF, Central Biotechnical Library, Lj. | Skladišče M II 8230 IN: 02000056211 |
available - outside loan, loan period: 30 days |
BF, Dept. of Food Science and Technology, Lj. | Knjižnica MD 94 IN: 0012075 |
available - outside loan, loan period: 1 months |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Koselj, Samo | 19133 |
Zorec, Robert, 1958- | 03702 |
Jeras, Matjaž | 01302 |
Source: Personal bibliographies
and: SICRIS
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