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Abstract Title:

Astilbin Attenuates Hyperuricemia and Ameliorates Nephropathy in Fructose-Induced Hyperuricemic Rats.

Abstract Source:

Planta Med. 2011 May 25. Epub 2011 May 25. PMID: 21614752

Abstract Author(s):

Lvyi Chen, Zhou Lan, Yongqiang Zhou, Fei Li, Xin Zhang, Chunfeng Zhang, Zhonglin Yang, Ping Li

Article Affiliation:

Key Laboratory of Modern Chinese Medicines, China Pharmaceutical University, Ministry of Education, Nanjing, P. R. China.

Abstract:

Astilbin is a flavonoid compound isolated from the rhizome of SMILAX CHINA L. The effects and possible mechanisms of astilbin on hyperuricemia and nephropathy rats were elucidated in this study. Different dosages of astilbin (1.25, 2.5, and 5.0 mg/kg) were administered to 10 % fructose-induced hyperuricemic rats. The results demonstrated that astilbin significantly decreased the serum uric acid (Sur) level by increasing the urinary uric acid (Uur) level and fractional excretion of urate (FEUA) but not inhibiting the xanthine oxidase (XOD) activity. In addition, kidney function parameters such as serum creatinine (Scr) and blood urea nitrogen (BUN) were recovered in astilbin-treated hyperuricemic rats. Further investigation indicated that astilbin prevented the renal damage against the expression of transforming growth factor-β1 (TGF- β1) and connective tissue growth factor (CTGF) and also exerted a renal protective role by inhibiting formation of monosodium urate (MSU) and production of prostaglandin E (2) (PGE (2)) and interleukin-1 (IL-1). These findings provide potent evidence for astilbin as a safe and promising lead compound in the development of a disease-modifying drug to prevent hyperuricemia and nephropathy.

Study Type : Animal Study

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