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Uticaj transkripcijskih faktora EGR1 i SOX9 na ekspresiju gena RANKL : završni rad integrisanog studija I i II ciklusaĆatović, SabinaNeravnoteža između koštane izgradnje i razgradnje uzrokuje različita patološka stanja, među ostalima i osteoporozu. Budući da je osteoporoza najčešća metabolička bolest kostiju, posebna se pažnja ... usmjerava na njenu prevenciju i liječenje. RANK / RANKL / OPG sistem važan je regulacijski mehanizam koštane pregradnje. RANKL stupa u interakciju s RANK - om koji se nalazi na površini nezrelih osteoklasta i uzrokuje njihovu diferencijaciju i aktivaciju. OPG veže RANKL i inhibira aktivaciju osteoklasta. Dakle, modulacijom RANK / RANKL / OPG sistema moguće je povećati koštanu izgradnju i smanjiti gubitak koštane mase, što je cilj liječenja osteoporoze. RANK i RANKL su glavni posrednici interakcija između osteoblast / stromalnih ćelija i prekursora osteoklasta. To dovodi do kaskade promjena ekspresije gena u prekursorima osteoklasta što rezultira stvaranjem i aktivacijom osteoklasta. Od prije je poznato da se na promotorsku regiju RANKL gena vežu brojni transkripcijski faktori koji reguliraju njegovu ekspresiju. Cilj rada bio je istražiti uticaj transkripcijskih faktora EGR1 i SOX9 na aktivnost promotorske regije gena RANKL. Za postizanje navedenog cilja korišten je Luciferaza reporterski esej u HeLa i A549 ćelijama, budući da ekspresiju luciferaze kontrolira promotorska regija RANKL gena. Rezultati su pokazali da se transkripcijski faktori EGR1 i SOX9 vežu za promotorsku regiju te djeluju kao potencijalni aktivatori promotorske regije RANKL gena. Međutim, taj se zaključak mora uzeti s određenom rezervom, budući da se temelji samo na luciferaznom testu. Za sigurnije dokaze potrebna su dalja istraživanja uticaja transkripcijskih faktora EGR1 i SOX9 na RANKL promotorsku regiju.Type of material - master's thesis ; adult, seriousPublication and manufacture - Sarajevo : [S. Ćatović], 2016Language - bosnianCOBISS.SI-ID - 4298609
Author
Ćatović, Sabina
Other authors
Čaušević, Adlija |
Marc, Janja
Topics
Osteoporoza |
plazmidni vektorji |
osteoblasti |
RANKL |
transkripcijski faktorji
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Database name | Field | Year |
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Ćatović, Sabina | ![]() |
Čaušević, Adlija | ![]() |
Marc, Janja | 12189 |
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