Inhibition of the histone demethylase JMJD2E by 3-substituted pyridine 2,4-dicarboxylates
作者:Armin Thalhammer、Jasmin Mecinović、Christoph Loenarz、Anthony Tumber、Nathan R. Rose、Tom D. Heightman、Christopher J. Schofield
DOI:10.1039/c0ob00592d
日期:——
Based on structural analysis of the human 2-oxoglutarate (2OG) dependent JMJD2 histoneNε-methyl lysyl demethylase family, 3-substituted pyridine 2,4-dicarboxylic acids were identified as potential inhibitors with possible selectivity over other human 2OG oxygenases. Microwave-assisted palladium-catalysed cross coupling methodology was developed to install a diverse set of substituents on the sterically demanding C-3 position of a pyridine 2,4-dicarboxylate scaffold. The subsequently prepared di-acids were tested for in vitro inhibition of the histone demethylase JMJD2E and another human 2OG oxygenase, prolyl-hydroxylase domain isoform 2 (PHD2, EGLN1). A subset of substitution patterns yielded inhibitors with selectivity for JMJD2E over PHD2, demonstrating that structure-based inhibitor design can enable selective inhibition of histone demethylases over related human 2OG oxygenases.
基于对人类依赖2-氧戊二酸(2OG)的JMJD2组蛋白Nε-甲基赖氨酸去甲基酶家族的结构分析,发现3-取代的吡啶-2,4-二羧酸为潜在抑制剂,可能对其他人类2OG氧化酶具有选择性。开发了微波辅助钯催化的交叉偶联方法学,用于在空间位阻较大的吡啶-2,4-二羧酸盐骨架的C-3位上安装一系列不同的取代基。随后制备的二羧酸被测试用于体外抑制组蛋白去甲基酶JMJD2E和另一种人类2OG氧化酶,脯氨酰羟化酶结构域同工型2(PHD2,EGLN1)。部分取代模式产生的抑制剂对JMJD2E具有选择性,表明基于结构的抑制剂设计可以实现对组蛋白去甲基酶相较于相关人类2OG氧化酶的选择性抑制。