Synthesis and Structure–Activity Relationship Study of Chemical Probes as Hypoxia Induced Factor-1α/Malate Dehydrogenase 2 Inhibitors
作者:Ravi Naik、Misun Won、Hyun Seung Ban、Deepak Bhattarai、Xuezhen Xu、Yumi Eo、Ye Seul Hong、Sarbjit Singh、Yongseok Choi、Hee-Chul Ahn、Kyeong Lee
DOI:10.1021/jm501241g
日期:2014.11.26
hypoxia inducible factor-1α inhibitor 3-aminobenzoic acid-based chemical probes, which were previously identified to bind to mitochondrial malate dehydrogenase 2, was performed to provide a better understanding of the pharmacological effects of LW6 and its relation to hypoxia inducible factor-1α (HIF-1α) and malate dehydrogenase 2 (MDH2). A variety of multifunctional probes including the benzophenone
进行了基于缺氧诱导因子-1α抑制剂3-氨基苯甲酸的化学探针的结构-活性关系研究,该探针先前已确定与线粒体苹果酸脱氢酶2结合,以更好地了解LW6的药理作用及其关系缺氧诱导因子-1α(HIF-1α)和苹果酸脱氢酶2(MDH2)。制备了多种多功能探针,包括用于光亲和性标记和点击反应的二苯甲酮或三氟甲基二嗪,并使用基于细胞的HRE荧光素酶测定法和MDH2测定法评估了人结肠直肠癌HCT116细胞的生物学活性。其中,重氮探针4a对HIF-1α和MDH2均显示出强大的抑制活性。显着地,探针对HIF-1α活性的抑制作用与MDH2酶测定的抑制作用一致,这通过对重组人MDH2的体外结合活性,耗氧量,ATP产生和AMP活化蛋白的影响得到进一步证实。激酶(AMPK)激活。还证明了LW6和探针4a与MDH2的竞争结合方式。