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 RESEARCH ARTICLE
Year : 2014  |  Volume : 46  |  Issue : 4  |  Page : 391-397

Effect of Shenxinning decoction on ventricular remodeling in AT1 receptor-knockout mice with chronic renal insufficiency


1 Institute of Kidney Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
2 Shanghai University of Traditional Chinese Medicine, Shanghai, China

Correspondence Address:
Hua Zhou
Institute of Kidney Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0253-7613.135950

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Objective: To observe the efficacy of Shenxinning Decoction (SXND) in ventricular remodeling in AT1 receptor-knockout (AT1-KO) mice with chronic renal insufficiency (CRI). Materials and Methods: AT1-KO mice modeled with subtotal (5/6) nephrectomy were intervened with SXND for 12 weeks. Subsequently, blood urea nitrogen (BUN), serum creatinine (SCr), brain natriuretic peptide (BNP), echocardiography (left ventricular end-diastolic diameter, LVDD; left ventricular end-systolic diameter, LVDS; fractional shortening, FS; and ejection fraction, EF), collagen types I and III in the heart and kidney, myocardial mitochondria, and cardiac transforming growth factor-β1 (TGF-β1) of the AT1-KO mice were compared with the same model with nephrectomy only and untreated with SXND. Results: AT1-KO mice did not affect the process of CRI but it could significantly affect cardiac remodeling process. SXND decreased to some extent the AT1-KO mice's BUN, SCr, BNP, and cardiac LVDD, LVDS, and BNP, improved FS and EF, lowered the expression of collagen type I and III in heart and kidney, increased the quantity of mitochondria and ameliorated their structure, and down-regulated the expression of TGF-β1. Conclusion: SXND may antagonize the renin-angiotensin system (RAS) and decrease uremia toxins, thereby ameliorating ventricular remodeling in CRI. Furthermore, SXND has a mechanism correlated with the improvement of myocardial energy metabolism and the down-regulation of TGF-β1.






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