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中文摘要

《亚洲男性学杂志》 2008; 10 (6): 929-936

《亚洲男科学杂志》 2008; 10(6): 929-936

【论著】促性腺激素释放激素-I及-II刺激体外青春期前小鼠Leydig细胞类固醇生成

Yung-Ming Lin, Ming-Yie Liu, Song-Ling Poon, Sew-Fen Leu, Bu-Miin Huang (中国台湾)

目的:探讨促性腺激素(GnRH)对体外青春期前小鼠Leydig细胞类固醇生成的影响及其机制。方法:将青春期前小鼠Leydig细胞纯化后,用GnRH-I及GnRH-II处理并检查雄性素生产量及相关酶表现量。结果:促性腺激素-I及-II明显刺激小鼠Leydig细胞类固醇生成达60%-80%。GnRH-I及-II也明显刺激StAR蛋白,P450scc酶与3β-HSD酶讯息核糖核酸(mRNA)表现量达1.5到3倍(P<0.05),但仅有3β-HSD酶蛋白的表现量被GnRH-I及-II明显刺激1.6-2倍(P<0.05)。结论:GnRH-I及-II通过激活3β-HSD酶蛋白的表达来直接刺激小鼠Leydig细胞内类固醇的生成。

关键词:促性腺激素释放激素;Leydig细胞;小鼠;类固醇生成;刺激

 
Asian Journal of Andrology CN 31-1795/R ISSN 1008-682X  Copyright © 2023  Shanghai Materia Medica, Chinese Academy of Sciences.  All rights reserved.