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Romidepsin

羅米地辛
Mechanism of action:
Romidepsin 是一種組蛋白去乙醯化酶抑制劑(histone deacetylase inhibitor)。Romidepsin 為一種環狀胜肽前驅分子,進入細胞後,其雙硫鍵被還原,釋放出具有活性的硫醇基團(thiol),能與 class I 組蛋白去乙醯化酶(class I histone deacetylase)催化中心的鋅離子(Zn²⁺)結合,抑制其去乙醯化活性。組蛋白去乙醯化酶被抑制後,組蛋白保持高度乙醯化,染色質結構變得較為鬆散。
Reference(s):
1. VanderMolen KM et al. (2011). Romidepsin (Istodax, NSC 630176, FR901228, FK228, depsipeptide): a natural product recently approved for cutaneous T-cell lymphoma. J Antibiot (Tokyo).
2. Valdez BC et al. (2015). Romidepsin targets multiple survival signaling pathways in malignant T cells. Blood Cancer J.
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