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化学进展  2011 

O-GlcNAcase抑制剂

, PP. 1657-1664

Keywords: O-GlcNAc修饰,O-GlcNAcase,抑制剂

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Abstract:

O-连接的N-乙酰葡糖胺糖基化修饰(O-GlcNAcylation)是一种存在于蛋白质Ser/Thr上的翻译后修饰。与磷酸化相似,它参与细胞内的信号传递,并与神经退行性疾病、Ⅱ型糖尿病、癌症等许多疾病的发病机理密切相关。O-连接的N-乙酰葡糖胺水解酶(O-GlcNAcase,OGA)是生物体内唯一水解蛋白质O-GlcNAc修饰的糖苷酶。因此,研究高效、专一的OGA小分子抑制剂是调节细胞中蛋白质O-GlcNAc水平的有效策略,利于阿尔茨海默病等相关神经退行性疾病新型药物的开发。结合本实验室对OGA抑制剂的研究,本文介绍了OGA的结构、催化机理及目前OGA抑制剂的研究进展,讨论了各种抑制剂的构效关系,并对OGA抑制剂的研究前景进行了展望。

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