Synthesis, SAR, Crystal Structure, and Biological Evaluation of Benzoquinoliziniums as Activators of Wild-Type and Mutant Cystic Fibrosis Transmembrane Conductance Regulator Channels
作者:Cécile Marivingt-Mounir、Caroline Norez、Renaud Dérand、Laurence Bulteau-Pignoux、Dung Nguyen-Huy、Bernard Viossat、Georges Morgant、Frédéric Becq、Jean-Michel Vierfond、Yvette Mettey
DOI:10.1021/jm0308848
日期:2004.2.1
fibrosis transmembrane conductance regulator (CFTR) is a cAMP-regulated epithelial chloride channel for which mutations cause cystic fibrosis. Here we have synthesized benzo[c]quinolizinium and benzo[f]indolo[2,3-a]quinolizinium salts (MPB) and performed a SAR to identify the structural basis for activation of the CFTR chloride channel. Synthesized compounds were evaluated on wild-type CFTR and on CFTR
氯离子通道在体内平衡中起着重要作用,并调节细胞体积,上皮运输和电兴奋性。尽管最近在氯通道的遗传和分子方面取得了进展,但对其药理学仍知之甚少。囊性纤维化跨膜电导调节剂(CFTR)是cAMP调节的上皮氯化物通道,其突变导致囊性纤维化。在这里,我们合成了苯并[c]喹啉鎓盐和苯并[f]吲哚并[2,3-a]喹啉鎓鎓盐(MPB),并进行了SAR鉴定,以激活CFTR氯化物通道的结构基础。使用机器人和基于细胞的分析方法,对野生型CFTR和密码子551处具有甘氨酸至天冬氨酸错义突变的CFTR(G551D-CFTR)进行了合成化合物的评估。苯并[c]喹啉鎓骨架的6位上与10或7位上的氯原子缔合的羟基和5位上的烷基链的存在确定了最高的活性。最有效的产物是5-丁基-7-氯-6-羟基苯并[c]喹唑鎓氯化物(8u,MPB-104)。8u的效力是母体化合物8a(MPB-07)的100倍。