MLN9708(MLN-9708I; xazomib),是小分子proteasome抑制剂。MLN9708是一种柠檬酸盐,在水溶液或血浆中立即水解为具有生物活性的MLN2238。MLN2238结合并抑制20s proteasome,主要抑制20S proteasome的胰凝乳蛋白酶等蛋白水解位点(β5)(IC50=3.4 nM,Ki = 0.93 nM),对β1作用稍弱,对β2几乎没有抑制活性。在血液系统和实体瘤移植模型中,MLN9708表现出有效的抗肿瘤活性
参考文献
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