Improving potency and metabolic stability by introducing an alkenyl linker to pyridine-based histone deacetylase inhibitors for orally available RUNX3 modulators
作者:Doona Song、Chulho Lee、Yoon Jeong Kook、Soo Jin Oh、Jong Soon Kang、Hyun-Jung Kim、Gyoonhee Han
DOI:10.1016/j.ejmech.2016.11.055
日期:2017.1
RUNX3, a tumor suppressor, is suppressed in various cancers by abnormal epigenetic changes. Histone deacetylases (HDACs) can deacetylate the lysine residues of RUNX3, followed by degradation via a ubiquitin-mediated pathway. Inhibition of HDAC leads to functional restoration of the RUNX3 protein by epigenetic expression and RUNX3 protein stabilization. We previously reported a series of HDAC inhibitors
RUNX3是一种肿瘤抑制因子,可通过异常的表观遗传变化在各种癌症中得到抑制。组蛋白脱乙酰基酶(HDAC)可以使RUNX3的赖氨酸残基脱乙酰基,然后通过遍在蛋白介导的途径降解。HDAC的抑制通过表观遗传表达和RUNX3蛋白质稳定作用导致RUNX3蛋白质功能恢复。我们之前曾报道过一系列恢复RUNX3功能的HDAC抑制剂。在本研究中,我们向基于吡啶的HDAC抑制剂中引入了一个烯基连接基团,以提高其效能和化学性质。该烯基接头使化合物更坚硬,与烷基部分相比,更易于与HDAC蛋白的活性位点相吻合。该系列中的大多数化合物都具有强大的RUNX活性,HDAC抑制活性,和对人类癌细胞系生长的抑制活性。值得注意的是,这些衍生物之一,ë)-3-(1-肉桂基-2-氧代-1,2-二氢吡啶-3-基) - ñ -hydroxyacrylamide(7K),表现出优异的性能在微粒体稳定性研究中,在异种移植研究中,并在在体内