YM0501手性异构体抗α_1受体亚型的选择活性及其构效关系
α_1-Adrenoceptor-selective antagonistic analysis and structure-activity relationship research of YM0501 enantiomers
作者:许芳;徐静仪;何雪兰;朱着;黎枭;袁牧;
Author:
收稿日期: 年卷(期)页码:2018,33(02):-119-122
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:YM0501;手性异构体;α1-肾上腺素受体;亚型选择性;分子对接
Key words:
基金项目:广东省自然科学基金项目(编号:2015A030313464);;
高等学校博士学科点专项科研基金联合资助(编号:20123321120007)
中文摘要
目的研究YM0501手性异构体对α_1受体亚型选择拮抗活性及其构效关系。方法采用双报告基因法研究YM0501手性异构体对α_1受体亚型选择拮抗活性,采用分子对接研究手性异构体分别与α_1受体亚型蛋白进行分子对接,研究作用的结构和活性关系。结果 B-YM0501对α_1受体各亚型受体亲和力:α_(1A)相当于α_(1B)的4.07倍,α_(1D)相当于α_(1B)的4.57倍。分子对接发现α_(1A)受体活性结合口袋中的TYR316和ASP113氨基酸残基与B-YM0501形成非共价键作用。结论 B-YM0501比A-YM0501或消旋体YM0501对α_(1A/D)受体的选择性更好,相对于当前临床上使用消旋体治疗良性前列腺增生,使用手性B-YM0501可能药效更好、不良反应更少。
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