PMID: 22568219May 10, 2012Paper

Shugan Yiyang capsule increases the expressions of VEGF, IGF and Akt1 in the rat model of arteriogenic erectile dysfunction

Zhonghua nan ke xue = National journal of andrology
Ji WangZhuojun Yuan

Abstract

Cytokines such as VEGF and IGF play an important role in maintaining the function of blood vascular endothelium. And Akt1 is an important molecule in the intra-cellular signaling transduction. This study aims to investigate the molecular mechanism of Shugan Yiyang (SGYY) capsule in the treatment of arteriogenic erectile dysfunction (AED) by detecting the expressions and phosphorylation of VEGF, IGF and Akt1 in AED rats. We established AED models in 60 three-month-old adult male SD rats by bilateral ligation of the internal iliac artery, and assigned them to a sham operation group, a model control group, a sildenafil group, a low-dose SGYY group (0.5 g/[kg x d]) and a high-dose SGYY group (1 g/[kg x d]). After 30 days of gavage, we assayed the plasma concentrations of VEGF and IGF in the carotid artery of the rats by ELISA, detected the expressions of VEGF and IGF mRNA by real-time PCR and determined the expression and phosphorylation of Aktl protein in the corpus cavernosum penis by Western blot. In the model control group, the expressions of VEGF and IGF mRNA were 0.41 +/- 0.06 and 0.42 +/- 0.06, the plasma concentrations of VEGF and IGF were (28.59 +/- 24.97) pg/ml and (15.82 +/- 4.37) ng/ml, and the expression of p-Aktl/Akt1...Continue Reading

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