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Mikro RNA = MicroRNAs : pomembni regulatorji kostne presnove in potencialne tarče za zdravila : key regulators of bone metabolism and potential therapeutic targetsOstanek, Barbara, 1972-Za zagotavljanje kostne homeostaze je potrebno koordinirano delovanje različnih tipov celic, ki ga omogoča natančno uravnavanje izražanja ustreznih genov. Številne študije so pokazale, da so ... epigenetski mehanizmi, med katere uvrščamo mikroRNA (miRNA), ključni regulatorji izražanja genov. miRNA so kratke, enoverižne molekule, ki po vezavi na tarčno mRNA povzročijo bodisi njeno razgradnjo bodisi inhibicijo translacije. miRNA igrajo pomembno vlogo v razvoju tkiv in uravnavanju številnih celičnih procesov ter so dokazano vpletene v razvoj mnogoterih boleznih. V kosteh miRNA pomembno vplivajo na diferenciacijo, proliferacijo in funkcijo tako osteoblastov kot osteoklastov. Znane so že nekatere miRNA, ki vplivajo na kostno tvorbo preko signalne poti Wnt/%-katenin in na kostno resorpcijo preko poti RANKL/RANK/OPG. Prav tako študije kažejo na vpletenost miRNA v kostne bolezni, kot so osteoporoza, osteosarkom, kostne metastaze in osteoartroza. Celične, zaradi lažje dostopnosti, pa tudi izvencelične miRNA so zato zanimive kot biološki označevalci v diagnostki in zdravljenju. miRNA pa obetajo veliko tudi kot tarče za zdravila. Z boleznijo povezano pretirano izražanje miRNA lahko namreč zavremo z uporabo miRNA inhibitorjev, pomanjkanje miRNA pa nadomestimo z eksogenim vnosom sintetične miRNA. Ker so študije miRNA na področju kostnih bolezni šele v začetni fazi, so pred njihovo uvedbo v klinično prakso nujno potrebne nadaljnje raziskave.Source: Monografija V. osteoloških dnevov z mednarodno udeležbo (Str. 59-67)Type of material - conference contributionPublish date - 2015Language - slovenianCOBISS.SI-ID - 4036209
Author
Ostanek, Barbara, 1972-
Topics
Osteoporoza |
miRNA |
kostne metastaze |
Wnt |
RANK/RANKL/OPG
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| 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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| Ostanek, Barbara, 1972- | 18154 |
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