CAS:300817-68-9BH3I-1

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BH3I-1 is an inhibitor of Bcl-xL with IC50 of 293.95 μM.

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18817579266

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18817579266

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实验数据

技术信息

CAS号

300817-68-9

储存条件

分子式

C15H14BrNO3S2

运输

蓝冰

分子量

400.31

别名

溶解度

动物实验配方

生物活性

描述BH3 domain-mediated dimerization plays a key role in the regulation of pro-apoptotic and anti-apoptotic activities of the Bcl-2 family proteins. BH3I-1 is a small-molecule, cell-permeable inhibitor of the BH3-domain-mediated dimerization. The K_i values of BH3I-1 for the inhibition of Bak/Bcl-xL-His6 interaction determined by FP and NMR titration assays are 2.4±0.2 and 7.8±0.9μM, respectively. The addition of BH3I-1 (50 and 200μM) dose-dependently decreased the tBid binding in vitro. Treatment of JK cells with 100μM BH3I-1 induced DNA fragmentation and an increase in caspase-3-like and caspase-9-like activities. BH3I-1 at 100µM also induced cytochrome c release in HeLa cells at 48-h post-treatment. Treatment of JK/Bcl-x_L cells with 100 µM BH3I-1 induced the appearance of sub-G1 DNA, indicative of apoptosis.^[3] BH3I-1 at a dose of 50μM promoted the apoptosis of murine bone marrow-derived eosinophils and human eosinophils isolated from the peripheral blood of healthy subjects.^[4]
作用机制BH3I-1 inhibited BH3-domain-mediated dimerization by preventing BH3 domain-mediated interaction between Bcl-2 family members.^[3]