米非司酮与利洛司酮对兔子宫胞浆孕激素受体结合力的比较

被引:7
作者
刘永强
吴熙瑞
机构
[1] 同济医科大学生殖医学中心
[2] 同济医科大学计划生育研究所
关键词
受体; 孕激素; 放射配体结合实验; 抗孕酮剂; 受体药理学; 米非司酮; 利洛司酮;
D O I
暂无
中图分类号
学科分类号
摘要
本文以放射配体结合实验,分析了国产米非司酮、进口米非司酮和利洛司酮在兔子宫胞浆孕激素受体水平的竞争抑制特性。结果表明,[3H]R5020与兔子宫胞浆孕激素受体结合之kd为0.19±0.02nmol/L,竞争抑制实验结果显示3种化合物与孕激素受体结合力皆强,其ki值分别为1.34±0.37nmol/L、1.18±0.21nmol/L和1.11±0.28nmol/L。对孕激素受体的相对结合亲和力(RBA)皆为孕酮的3倍左右。3种化合物之间各项受体药理指标均无显著性差异。
引用
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页码:372 / 375
页数:4
相关论文
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