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胱天蛋白酶Caspase抑制剂Z-VAD-FMK
货号 | 13300 | 存储条件 | 在零下15度以下保存, 避免光照 | |
规格 | 1 mg | 价格 | 1200 | |
Ex (nm) | Em (nm) | |||
分子量 | 467.49 | 溶剂 | DMSO | |
产品详细介绍 |
简要概述
Z-VAD-FMK是细胞可渗透的不可逆半胱天冬酶抑制剂,与半胱天冬酶蛋白的催化位点结合,可抑制凋亡的诱导。为了抑制细胞凋亡,应在诱导细胞凋亡的同时添加Z-VAD-FMK。该肽在天冬氨酸的P1位置被O-甲基化,提供增强的稳定性和更高的细胞通透性。FMK衍生的肽可作为有效的不可逆抑制剂,而不会增加细胞毒性作用。金畔生物是AAT Bioquest的中国代理商,为您提供最优质的Z-VAD-FMK。
产品说明书
样品实验方案
以下是我们推荐的方案,仅提供指导。具体实验应根据您的特定需求进行修改。
溶液配制
储备溶液配制
操作步骤
- 根据需要处理样品以诱导凋亡。
- 添加Z-VAD-FMK。
注意:我们建议使用最终浓度为10-100 µM的Z-VAD-FMK抑制胱天蛋白酶,例如对caspase-8抑制50 µM。
注意:孵育的最佳时间和浓度需要通过实验确定。 - 根据需要对样品染色。
- 用适当的仪器检测荧光强度。
图示
图1.用半胱天冬酶抑制剂Z-VAD-FMK(Cat#13300)抑制Jurkat细胞中的胱天蛋白酶活性。当天,将Jurkat细胞以200,000个细胞/ 90 µL /孔的密度接种在Costar黑色96孔板中。用1 µM星形孢菌素处理细胞5小时。加入Z-VAD-FMK(50 uM)并与星形孢菌素共孵育。用Cell Meter Caspase 8活性细胞凋亡检测试剂盒(Cat#22816)检测caspase-8活性。用Flexstation 3荧光酶标仪(Molecular Devices)在Ex / Em = 540 / 620nm(截止= 610nm)下测量荧光强度。 |
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