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Abstract Title:

Salvia miltiorrhiza protects against diabetic nephropathy through metabolome regulation and wnt/β-catenin and TGF-β signaling inhibition.

Abstract Source:

Pharmacol Res. 2018 Nov 2. Epub 2018 Nov 2. PMID: 30395946

Abstract Author(s):

Xiang Xiang, Hong-Die Cai, Shu-Lan Su, Xin-Xin Dai, Yue Zhu, Jian-Ming Guo, Hui Yan, Sheng Guo, Wei Gu, Da-Wei Qian, Zhishu Tang, Jin-Ao Duan

Article Affiliation:

Xiang Xiang

Abstract:

Diabetic nephropathy (DN) is a complication of diabetes that is caused by uncontrolled high blood sugar. It has been reported that Salvia miltiorrhiza (SM) possesses the ability to prevent kidney damage, although the mechanisms remain unclear. The study was to investigate whether and how SM improved DN injury via regulation of metabolome and the molecular mechanisms. In this study, SD rats were fed a high glucose / high fat diet accompanied by 0.5% glucose water. Three weeks later, the rats were given one intraperitoneal injection of 30 mg/kg STZ each day for three days for DN model. The biochemical indicators and metabolomics of plasma, urine and renal tissue were analyzed. Then the western blotting analysis of renal tissue and glomerular mesangial cells were investigated. The results showed that Salvia miltiorrhiza extracts improved the renal injury and regulation of abnormal glycolipid metabolism. The metabolites in serum, urine and renal tissues have been changed significantly. The involved metabolic pathways mainly include phospholipid, arachidonic acid, and pyrimidine metabolisms. Meanwhile, SM inhibited the relativeexpression levels of wnt4, β-catenin and TGF-β in renal tissue and high-glucose induced glomerular mesangial cells.

Study Type : Animal Study

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