Romidepsin (FK228, Depsipeptid

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抑制剂描述：

产品名称：Romidepsin (FK228, Depsipeptide)

产品别名：见爱必信官网

英文别名：Romidepsin (FK228, Depsipeptide)

靶点：HDAC

CAS：128517-07-7

纯度：99%

外观：见爱必信官网

保存方法：Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.

描述：

Romidepsin (FK228, Depsipeptide)是一种HDAC1和HDAC2抑制剂，IC50分别为36 nM和47 nM。

溶解性：DMSO : 5.4 mg/mL (10 mM)

体外研究：

Romidepsin potently inhibits HDAC1 and HDAC2 (IC50=36, 47 nM, respectively). Romidepsin has slightly inhibitory effects against HDAC4 and HDAC6 (IC50=510, 14000 nM, respectively). Romidepsin induces histone acetylation and p21 expression with an EC50 of 3.0 nM. Romidepsin is more strongly than redFK with EC50 of 11 nM due to the instability of redFK in HeLa cells. Romidepsin is 100 times more potent than TSA and 1,000,000 times more potent than butyrate in inhibiting the proliferation of the A549 cells. Romidepsin causes mitotic arrest, and that the treatment with HDIs causes defects in chromosome segregation in mitosis. Romidepsin inhibits the growth of U-937, K562, and CCRF-CEM cells with IC50 values of 5.92 nM, 8.36 nM, and 6.95 nM, respectively.

体内研究：In a scid mouse lymphoma model, romidepsin treated mice once or twice a week survive longer than control mice, with median survival times of 30.5 (0.56 mg/kg) and 33 days (0.32 mg/kg), respectively (vs. 20 days in control mice). Remarkably, 2 out of 12 mice treated with romidepsin (0.56 mg/kg once or twice a week) survive past the observation period of 60 days. The apoptotic population of U-937 cells increases to 37.7% after 48 hr of treatment with romidepsin in a time dependent manner. In addition, romidepsin induces G1 and G2/M arrest and the differentiation of U-937 cells to the CD11b(+)/CD14(+) phenotype. Expression of p21(WAF1/Cip1) and gelsolin mRNA increases up to 654- and 152-fold, respectively, after 24 hr of treatment with romidepsin. Romidepsin causes histone acetylation in p21(WAF1/Cip1) promoter regions, including the Sp1-binding sites.

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