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Abstract

《亚洲男性学杂志》 2011; 13 (6): 851-855

胰岛素样生长因子结合蛋白-3在两肾一夹肾血管性高血压大鼠经普奈洛尔处理后发生勃起功能障碍过程中的作用

Zhang-Yan Zhou, Zhong-Hua Yang, Xing-Huan Wang, Hong Cao, Dong Chen, Yong-Zhi Wang, Hai-Hong Zhou, Mou Peng, Quan-Liang Liu and Shao-Ping Wan (中国)

本研究目的在于探讨胰岛素样生长因子结合蛋白-3(IGFBP-3 )在两肾一夹肾血管性高血压大鼠经普奈洛尔(一种β受体阻滞剂)处理后发生勃起功能障碍过程中的作用。成年雄性Wistar 大鼠被随机分成3组:正常对照组,高血压对照组和普奈洛尔处理组(每组9只)。两肾一夹肾血管性高血压大鼠经普奈洛尔处理4周后检测其阴茎海绵体内压(电刺激海绵体神经),阴茎海绵体内IGFBP-3 和IGF-1 的mRNA 和蛋白表达水平分别通过real-time qPCR 和Western blot 检测,cGMP 水平则通过ELISA 检测。结果显示:与高血压对照组大鼠相比,普奈洛尔处理组大鼠的阴茎海绵体内压明显降低,同时阴茎海绵体内IGFBP-3 的mRNA 和蛋白表达水平均明显上升,而IGF-1 的mRNA 和蛋白表达水平均明显下降;另外,与高血压对照组大鼠相比,普奈洛尔处理组大鼠阴茎海绵体内cGMP 水平也明显降低。综上所述,IGFBP-3 表达水平的上调在两肾一夹肾血管性高血压大鼠经普奈洛尔处理后发生勃起功能障碍的过程中发挥一定的作用。

关键词:勃起功能障碍,胰岛素样生长因子结合蛋白-3,普奈洛尔,两肾一夹肾血管性高血压

此摘要文献来源:
Zhang-Yan Zhou, Zhong-Hua Yang, Xing-Huan Wang, Hong Cao, Dong Chen, Yong-Zhi Wang, Hai-Hong Zhou, Mou Peng, Quan-Liang Liu and Shao-Ping Wan. Increased expression of insulin-like growth factor-binding protein-3 is implicated in erectile dysfunction in twokidney one-clip hypertensive rats after propranolol treatment. Asian Journal of Andrology 2011; 13: 851-855

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