enzyme. The smaller γ-lactam core HDAC inhibitors were designed and synthesized for biological and property optimization. Phenyl, naphthyl and thiophenyl groups were introduced as the cap groups. Hydrophobic and bulky cap groups increase potency of HDAC inhibition because of hydrophobic interaction between HDAC and inhibitors. In overall, γ-lactam based HDAC inhibitors showed more potent than δ-lactam analogues
组蛋白脱乙酰基酶(H
DAC)参与翻译后修饰和
基因表达。癌细胞通过Epi募集了一定数量的H
DAC来维持生存-肿瘤抑制
基因的
基因下调。H
DAC已经成为治疗癌症的有希望的靶标,并且如今已经研究了许多H
DAC抑制剂。在先前的研究中,我们合成了δ-内酰胺核心H
DAC抑制剂,该
抑制剂具有强大的H
DAC抑制活性以及癌细胞生长抑制活性。通过对δ-内酰胺类
抑制剂的Q
SAR研究,表明较小的核比较大的核更有活性,因为它更适合H
DAC酶活性口袋的狭窄疏
水通道。设计和合成了较小的γ-内酰胺核心H
DAC抑制剂,以优化
生物学和性能。引入苯基,
萘基和
硫代苯基作为帽基。疏
水性和大体积的帽基团由于H
DAC与
抑制剂之间的疏
水性相互作用而提高了H
DAC抑制能力。