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Vorinostat

伏立諾他

Mechanism of action:

Vorinostat 是一種組蛋白去乙醯酶抑制劑(histone deacetylase inhibitor)。正常情況下,組蛋白去乙醯酶(histone deacetylase)對組蛋白去乙醯化(deacetylation),會造成染色質緊縮,基因轉錄受抑。Vorinostat 能抑制 class I、II、IV 的組蛋白去乙醯酶,使組蛋白乙醯化(acetylation)程度上升,染色質結構變得鬆散,能讓被抑制的腫瘤抑制基因重新表達。

​Reference(s):

Munshi A et al. (2006). Vorinostat, a histone deacetylase inhibitor, enhances the response of human tumor cells to ionizing radiation through prolongation of gamma-H2AX foci. Mol Cancer Ther.

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