NITRIC-OXIDE - A PHYSIOLOGICAL MEDIATOR OF PENILE ERECTION

NITRIC-OXIDE - A PHYSIOLOGICAL MEDIATOR OF PENILE ERECTION
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DOI:
10.1126/science.1378650
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发表时间:
1992-07-17
期刊:
影响因子:
56.9
通讯作者:
SNYDER, SH
SNYDER, SH
中科院分区:
综合性期刊1区
文献类型:
--
作者:
BURNETT, AL;LOWENSTEIN, CJ;SNYDER, SH

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一氧化氮(NO)是巨噬细胞的一种细胞毒性因子、神经元的一种信使分子以及内皮细胞产生的一种血管舒张剂。一氧化氮合酶,即NO的合成酶,定位于支配阴茎海绵体的大鼠阴茎神经元以及阴茎动脉外膜层的神经丛。小剂量的一氧化氮合酶抑制剂可消除电生理诱导的阴茎勃起。这些结果确立了NO作为勃起功能的一种生理介质。
Nitric oxide (NO) is a cytotoxic agent of macrophages, a messenger molecule of neurons, and a vasodilator produced by endothelial cells. NO synthase, the synthetic enzyme for NO, was localized to rat penile neurons innervating the corpora cavernosa and to neuronal plexuses in the adventitial layer of penile arteries. Small doses of NO synthase inhibitors abolished electrophysiologically induced penile erections. These results establish NO as a physiologic mediator of erectile function.