Journal
BIOMEDICINE & PHARMACOTHERAPY
Volume 91, Issue -, Pages 358-365Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2017.04.031
Keywords
Traditional Chinese Medicine; Hyperuricemic nephropathy; Renal fibrosis; Epithelial-to-mesenchymal transition
Funding
- Natural Science Foundation of Shanghai [13ZR1442200]
- Natural Science Foundation of China [813300801016716]
- Guanghua excellent PI program [2016-07]
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Hyperuricemia is associated with the development of chronic kidney disease. Epithelial-to-mesenchymal transition (EMT) induced by hyperuricemia is blamed for initiation of renal fibrosis, which is one of the main characters of hyperuricemic nephropathy. Qi-Zhu-Xie-Zhuo-Fang (QZXZF) has been employed clinically for many years to treat patients with hyperuricemic nephropathy, but the mechanism underlying the therapeutic potential remains unclear. In the present study, QZXZF was applied to rats treated with adenine (100 mg/kg) and potassium oxonate (300 mg/kg) and biochemical estimations, morphology and immunohistochemistry were performed to investigate whether QZXZF can improve hyperuricemia induced renal fibrosis and to explore the possible mechanisms. We found QZXZF significantly reduced serum uric acid, cystatinC and hepatic xanthine oxidase (XO) activities, meanwhile improved renal histopathologic changes of hyperuricemic nephropathy rats. Furthermore, QZXZF not only substantially decreased the protein levels of fibronectin and Collagen I but also downregulated E-cadherin and upregulated alpha-SMA in the kidneys of hyperuricemic nephropathy rats. In conclusion, QZXZF reduced serum uric acid levels and protected kidney against fibrosis in potassium oxonate and adenine induced hyperuricemic nephropathy rats. The mechanism might be associated with the inhibition of hepatic XO activity and the renal epithelial-to-mesenchymal transition. (C) 2017 Elsevier Masson SAS. All rights reserved.
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