Zhonghua nan ke xue = National journal of andrology · 2003
[Effects of antihypertensive drugs on erectile function and number of nNOS-containing nerve fibers in spontaneously hypertensive rats].
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Cheng Jian-Li, Hu Li-Quan
Аннотация
OBJECTIVES: To investigate the effects of antihypertensive drugs on the erectile function and number of nNOS-containing nerve fibers in spontaneously hypertensive rats(SHRs).
METHODS: Eighteen male SHRs of six-weeks old were randomized into three groups: Vilsartan intervention group, Aldactone intervention group and control group. Vilsartan [30 mg/(kg.d)] and Aldactone [20 mg/(kg.d)] were administered by gavage to respective groups. After twelve weeks treatment, all SHRs were tested for erectile function and then killed for the detection of nNOS-containing nerve fibers by Streptaridin-peroxidase immunohistochemistry techniques (SP method).
RESULTS: The erection frequency in Vilsartan group was higher, compared with other two groups(P < 0.05), in which no significant difference was observed (P > 0.05). There was no significant difference in erection rates among these three groups. The number of nNOS-containing nerve fibers in two intervention groups was higher than the control group(P < 0.01), but no significant difference existed between these two groups(P > 0.05).
CONCLUSIONS: Vilsartan improves erectile function in SHRs while Aldactone doesn't. The difference can't be explained by the number of nNOS-containing nerve fibers, and it is probably related to the vascular reconstruction induced by angiotensin II receptor antagonists.
METHODS: Eighteen male SHRs of six-weeks old were randomized into three groups: Vilsartan intervention group, Aldactone intervention group and control group. Vilsartan [30 mg/(kg.d)] and Aldactone [20 mg/(kg.d)] were administered by gavage to respective groups. After twelve weeks treatment, all SHRs were tested for erectile function and then killed for the detection of nNOS-containing nerve fibers by Streptaridin-peroxidase immunohistochemistry techniques (SP method).
RESULTS: The erection frequency in Vilsartan group was higher, compared with other two groups(P < 0.05), in which no significant difference was observed (P > 0.05). There was no significant difference in erection rates among these three groups. The number of nNOS-containing nerve fibers in two intervention groups was higher than the control group(P < 0.01), but no significant difference existed between these two groups(P > 0.05).
CONCLUSIONS: Vilsartan improves erectile function in SHRs while Aldactone doesn't. The difference can't be explained by the number of nNOS-containing nerve fibers, and it is probably related to the vascular reconstruction induced by angiotensin II receptor antagonists.