作者:Nannan Sun、Yafei Huang、Mingcheng Yu、Yunpeng Zhao、Ji-An Chen、Chenyu Zhu、Meiqi Song、Huimin Guo、Qiong Xie、Yonghui Wang
DOI:10.1016/j.ejmech.2020.112536
日期:2020.9
GSK805 (1) is a potent RORγt inverse agonist, but a drawback of 1 is its low solubility, leading to a limited absorption in high doses. We have explored detailed structure-activity relationship on the amide linker, biaryl and arylsulfonyl moieties of 1 trying to improve solubility while maintaining RORγt activity. As a result, a novel series of carboxyl-containing biaryl urea derivatives was discovered
GSK805(1)是一种强效RORγt反向激动剂,但缺点1是它的低溶解度,从而导致在高剂量有限的吸收。我们已经探索了1的酰胺连接基,联芳基和芳基磺酰基部分的详细结构-活性关系,试图在保持RORγt活性的同时提高溶解度。结果,发现了一系列新颖的含羧基联芳基脲衍生物,作为具有改进的类药物性质的有效RORγt反向激动剂。化合物3i显示了强大的RORγt抑制活性和亚型选择性,在RORγFRET分析中的IC 50为63.8 nM,在基于细胞的RORγ-GAL4启动子报告子分析中为85 nM。合理的3i抑制活性在小鼠Th17细胞分化试验中也获得了抑制(在0.3μM时抑制76%)。此外,与1相比,3i在pH 7.4时具有大大改善的水溶解度,表现出体面的小鼠PK曲线,并在咪喹莫特诱导的牛皮癣小鼠模型中表现出一定的体内功效。