摘要
设计同时作用于多个信号通路的多靶点药物是药物化学中一个不断发展的领域,特别是用于治疗癌症等复杂疾病。组蛋白去乙酰化酶 6 (HDAC6) 是一种既定的参与肿瘤细胞转化的抗癌药物靶点。作为许多生物过程相互作用的表观遗传酶,HDAC6 已成为旨在提高抗癌药物治疗效果的多药理学研究的有吸引力的目标。例如,分子伴侣热休克蛋白 90 (Hsp90) 是 HDAC6 去乙酰化的底物,多项证据表明同时抑制 HDAC6 和 Hsp90 可促进对不同癌细胞系的协同抗肿瘤作用,突出了开发具有多靶点活性的单个分子。本综述将总结 HDAC6 和 Hsp90 之间复杂的相互作用,为该领域的多靶点药物设计和发现方法提供有用的提示。为此,HDAC6 和 Hsp90 复合物的晶体结构将根据讨论结合袋特征和药效团要求进行广泛审查,并为双重抑制剂的设计提供有用的指导。迄今为止获得的多靶点抑制剂的少数例子,主要基于嵌合方法,将被总结并放在上下文中。最后,将比较 HDAC6 和 Hsp90 抑制剂的主要特征,并提出和讨论可能对开发小分子量双重抑制剂有用的基于配体和结构的策略。
关键词: Hsp90、HDAC6、多靶点活性、多药理学、癌症、双重抑制剂。
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