Zhonghua nan ke xue = National journal of andrology · 2018
[Expressions of calcitonin gene-related peptide and vasoactive intestinal peptide in the penile tissue of the ED rat model and their action mechanisms].
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Liu Feng-Xia, Abudureyimujiang Ruze, Maowulan Maimaitiyiming, Zhuyan Liu-Ying, Nizamu Aihaiti, Zhang Pan-Pan, Adilijiang Yiming
Аннотация
OBJECTIVE: To determine the expressions of calcitonin gene-related peptide (CGRP) and vasoactive intestinal peptide (VIP) in the penile tissue of the ED rat model and explore their action mechanisms.
METHODS: An ED model was established in 44 mature male SD rats by feeding them on a spinach + coriander diet in a cold-wet environment and another 10 were taken as normal controls. Then the model rats were randomly divided into an ED model control group (n = 15) treated by gavage of distilled water in the same modeling environment, a spontaneous recovery group (n = 15) treated by gavage of distilled water in the normal environment, and a medication group (n = 14) treated intragastrically with Yimusake Tablets at 250 mg/kg qd. After 2－3 weeks of intervention, the expressions of CGRP and VIP in the penile tissue were detected by immunohistochemistry and Western blot.
RESULTS: Immunohistochemistry showed that, after 2 weeks of intervention, both the expressions of CGRP and VIP in the rat penile tissue were significantly lower in the ED model control (150.0 ± 43.3 and 36.4 ± 13.1) and the spontaneous recovery group (165.9 ± 40.7 and 67.5 ± 29.0) than in the normal control (227.3 ± 42.5 and 175.0 ± 45.6) (P < 0.05), but remarkably higher in the medication group (255.0 ± 38.7 and 167.5 ± 42.6) than those in the ED model control and spontaneous recovery groups (P < 0.05).
CONCLUSIONS: The expressions of CGRP and VIP were significantly down-regulated in the ED rat model, and Yimusake Tablets improved ED by up-regulating their expressions.
METHODS: An ED model was established in 44 mature male SD rats by feeding them on a spinach + coriander diet in a cold-wet environment and another 10 were taken as normal controls. Then the model rats were randomly divided into an ED model control group (n = 15) treated by gavage of distilled water in the same modeling environment, a spontaneous recovery group (n = 15) treated by gavage of distilled water in the normal environment, and a medication group (n = 14) treated intragastrically with Yimusake Tablets at 250 mg/kg qd. After 2－3 weeks of intervention, the expressions of CGRP and VIP in the penile tissue were detected by immunohistochemistry and Western blot.
RESULTS: Immunohistochemistry showed that, after 2 weeks of intervention, both the expressions of CGRP and VIP in the rat penile tissue were significantly lower in the ED model control (150.0 ± 43.3 and 36.4 ± 13.1) and the spontaneous recovery group (165.9 ± 40.7 and 67.5 ± 29.0) than in the normal control (227.3 ± 42.5 and 175.0 ± 45.6) (P < 0.05), but remarkably higher in the medication group (255.0 ± 38.7 and 167.5 ± 42.6) than those in the ED model control and spontaneous recovery groups (P < 0.05).
CONCLUSIONS: The expressions of CGRP and VIP were significantly down-regulated in the ED rat model, and Yimusake Tablets improved ED by up-regulating their expressions.