Development of Tetrahydroisoquinoline-Based Hydroxamic Acid Derivatives: Potent Histone Deacetylase Inhibitors with Marked in Vitro and in Vivo Antitumor Activities
作者:Yingjie Zhang、Jinhong Feng、Yuping Jia、Xuejian Wang、Lei Zhang、Chunxi Liu、Hao Fang、Wenfang Xu
DOI:10.1021/jm101605z
日期:2011.4.28
Inhibition of histone deacetylase (HDAC) results in growth arrest, differentiation, and apoptosis in nearly all tumor cell lines, promoting HDACs as promising targets for antitumor therapy. In our previous study we developed a novel series of 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid derivatives as HDAC inhibitors (HDACi), among which compound 7d exhibited promising HDAC8 inhibitory and antiproliferative
抑制组蛋白脱乙酰基酶(HDAC)会导致几乎所有肿瘤细胞系中的生长停滞,分化和凋亡,从而促进HDACs成为抗肿瘤治疗的有希望的靶标。在我们先前的研究中,我们开发了一系列新型的1,2,3,4-四氢异喹啉-3-羧酸衍生物作为HDAC抑制剂(HDACi),其中化合物7d表现出有希望的HDAC8抑制和抗增殖活性。在本文中,我们报告了新型的带有四氢异喹啉的异羟肟酸类似物作为潜在的HDACi和抗癌药的设计和开发。这些化合物的体外生物学评估显示对HDAC8的抑制作用得到改善(化合物31a和31b的nM IC 50中等)抑制HDAC8的功能)和在多种肿瘤细胞系中有效抑制生长。最重要的是,与批准的HDACi异戊酰苯胺异羟肟酸(SAHA)相比,化合物25e,34a和34b在人乳腺癌(MDA-MB-231)异种移植模型中表现出出色的体内抗癌活性。总体而言,我们的结果表明,带有异羟肟酸的四氢异喹啉是开发新型HDACi作为潜在抗癌药的绝佳模板。