Development of dual inhibitors targeting pyruvate dehydrogenase kinases and human lactate dehydrogenase A: High-throughput virtual screening, synthesis and biological validation
作者:Sichuan Xiang、Ding Huang、Qiaolin He、Jie Li、Kin Yip Tam、Shao-Lin Zhang、Yun He
DOI:10.1016/j.ejmech.2020.112579
日期:2020.10
Pyruvate dehydrogenase kinases (PDKs) and lactate dehydrogenase A (LDHA) play crucial roles in promotion of glycolysis, thus the inhibition of both enzymes is considered a promising strategy for developing of anticancer therapeutics. Herein, we describe the first discovery of series novel dual inhibitors targeting PDKs and LDHA. We identified 6 hits from a library database containing 485465 compounds through
大多数癌细胞具有从氧化磷酸化到细胞质糖酵解的葡萄糖代谢改变的特征。丙酮酸脱氢酶激酶(PDKs)和乳酸脱氢酶A(LDHA)在促进糖酵解中起关键作用,因此抑制这两种酶被认为是开发抗癌治疗剂的有希望的策略。在这里,我们描述了针对PDK和LDHA的系列新型双重抑制剂的首次发现。通过高通量虚拟筛选分析,我们从包含485465种化合物的数据库数据库中鉴定了6个匹配项。领先的优化方法使我们能够发现两种化合物,即20e和20k,它们分别抑制了IC 50值为0.8和1.6μM的PDK,并抑制了IC 50的LDHA。值分别为0.15和0.7μM。同时,这两种化合物降低了A549细胞的增殖,EC 50值为13.2和15.7μM。此外,20e和20k减少了乳酸的形成,增加了氧气的消耗,表明这两种化合物调节了癌细胞中的葡萄糖代谢途径。