Discovery and in vivo effects of novel human natriuretic peptide receptor A (NPR-A) agonists with improved activity for rat NPR-A
作者:Takehiko Iwaki、Taisaku Tanaka、Kazuo Miyazaki、Yamato Suzuki、Yoshihiko Okamura、Akira Yamaki、Makoto Iwanami、Naomi Morozumi、Mayumi Furuya、Yoshiaki Oyama
DOI:10.1016/j.bmc.2017.11.006
日期:2017.12
vivo by optimizing the structure of quinazoline derivatives to improve agonistic activity for rat NPR-A. A 1,4-Cis-aminocyclohexylurea moiety at 4-position and hydroxy group of d-alaninol at 2-position on the quinazoline ring were found to be important factors in improving rat NPR-A activity. We identified potent quinazoline and pyrido[2,3-d]pyrimidine derivatives against rat NPR-A, with double-digit
通过优化喹唑啉衍生物的结构以改善对大鼠NPR-A的激动活性,评估了利钠肽受体A(NPR-A)激动剂的体内作用。发现在喹唑啉环上的4-位的1,4-顺式-氨基环己基脲部分和在2-位的d-丙氨醇的羟基是改善大鼠NPR-A活性的重要因素。我们确定了针对大鼠NPR-A的强效喹唑啉和吡啶并[2,3- d ]嘧啶衍生物,其纳摩尔浓度EC 50为两位数。该体内结果显示,化合物56b的以1.0 mg / kg / min的剂量给药可显着增加大鼠血浆cGMP浓度和尿量。我们发现了新型有效的NPR-A激动剂,其激动作用类似于心钠素。