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中文摘要

《亚洲男性学杂志》 2009; 11 (5): 533-539

Bersama engleriana对脊髓损伤雄性大鼠体外射精潜力影响的评估

本研究旨在探讨Bersama engleriana 对脊髓损伤雄性大鼠虚构射精潜力的影响及潜在作用机制。在注射和不注射多巴胺(12 mg kg-1)或催产素(0.5 UI kg-1)的两种条件下,将大鼠脊髓横向切断,用氨基甲酸乙酯麻醉,再分别静脉注射从Bersama engleriana枯叶中提取的水提物(100 mg kg-1)和醇提物(100 mg kg-1),记录大鼠海绵体肌的肌电活动。序贯疗法结束后每5分钟机械刺激尿道。按照100 mg kg-1的剂量单独静脉注射水提物和醇提物都不能诱导虚构射精。注射植物提取物和生理盐水(200 GL/min)的肌电图记录相似,都不能诱导球海绵体肌收缩。多巴胺(12mg kg-1) 和催产素(0.5 UI kg-1)能诱导快速的节律性收缩,伴有阴茎勃起,有时会有精栓排出。用植物提取物对大鼠进行前处理,多巴胺(12 mg kg-1)和催产素(0.5 UI kg-1)诱导的射精完全消失.序贯疗法结束后每5分钟机械刺激尿道总是能诱导阴茎运动和勃起。Bersama engleriana提取物对脊髓损伤雄性大鼠虚构射精活动的作用通过多巴胺和催产素通道进行调节。Bersama engleriana的这种延长射精潜伏期的作用可用于快速射精病人。

关键词:Bersama engleriana,多巴胺,射精,抑制,催产素,脊髓损伤大鼠

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