Discovery of Novel Pazopanib-Based HDAC and VEGFR Dual Inhibitors Targeting Cancer Epigenetics and Angiogenesis Simultaneously
作者:Jie Zang、Xuewu Liang、Yongxue Huang、Yuping Jia、Xiaoyang Li、Wenfang Xu、C. James Chou、Yingjie Zhang
DOI:10.1021/acs.jmedchem.8b00384
日期:2018.6.28
observed in the approved VEGFR inhibitor pazopanib. Compounds 6d and 13f possessed comparable HDAC isoform selectivity profiles to the clinical class I HDAC inhibitor MS-275 and the approved pan-HDAC inhibitor SAHA, respectively. 6d and 13f also exhibited uncompromised multiple tyrosine kinases inhibitory activities relative to pazopanib. The intracellular dual inhibition to HDAC and VEGFR of 6d and 13f was
在此,基于组蛋白脱乙酰基酶(HDACs)与血管内皮生长因子(VEGF)通路之间的串扰,开发了一系列新型的帕唑帕尼杂种作为多药抗肿瘤药物。其中,一种邻氨基苯胺6d和一种异羟肟酸13f表现出相当大的总HDAC和VEGFR-2抑制活性。HDAC抑制活性赋予6d和13f强大的抗增殖活性,这在批准的VEGFR抑制剂帕唑帕尼中未观察到。化合物6d和13f分别具有与临床I类HDAC抑制剂MS-275和批准的pan-HDAC抑制剂SAHA相当的HDAC同种型选择性。相对于帕唑帕尼,图6d和图13f还显示出不受损害的多种酪氨酸激酶抑制活性。Western blot分析证实了6d和13f对HDAC和VEGFR的细胞内双重抑制作用。在HUVEC的管形成试验和大鼠胸主动脉环试验中,6d和13f均显示出与帕唑帕尼相当的抗血管生成能力。更重要的是,6d 具有理想的药代动力学特征,在SD大鼠中口服生物利用度为72%,并