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Article Publish Status: FREE
Abstract Title:

Mangiferin alleviates hypertension induced by hyperuricemia via increasing nitric oxide releases.

Abstract Source:

J Pharmacol Sci. 2018 Jun 6. Epub 2018 Jun 6. PMID: 29934052

Abstract Author(s):

Hua Yang, Wenwei Bai, Lihui Gao, Jun Jiang, Yingxi Tang, Yanfen Niu, Hua Lin, Ling Li

Article Affiliation:

Hua Yang

Abstract:

Mangiferin, a natural glucosyl xanthone, was confirmed to be an effective uric acid (UA)- lowering agent with dual action of inhibiting production and promoting excretion of UA. In this study, we aimed to evaluate the effect of mangiferin on alleviating hypertension induced by hyperuricemia. Mangiferin (30, 60, 120 mg/kg) was administered intragastrically to hyperuricemic rats induced by gavage with potassium oxonate (750 mg/kg). Systolic blood pressure (SBP), serum levels of UA, nitric oxide (NO), C-reactionprotein (CRP) and ONOOwere measured. The mRNA and protein levels of endothelial nitric oxide synthase (eNOS), intercellular adhesion molecule-1 (ICAM-1), CRP were also analyzed. Human umbilical vein endothelial cells (HUVECs) were used in vitro studies. Administration of mangiferin significantly decreased the serum urate level and SBP at 8 weeks and last to 12 weeks. Further more, mangiferin could increase the release of NO and decrease the level of CRP in blood. In addition, mangiferin reversed the protein expression of eNOS, CRP,ICAM-1 and ONOOin aortic segments in hyperuricemic rats. The results in vitro were consistent with the observed results in vivo. Taken together, these data suggested that mangiferin has played an important part in alleviating hypertension induced by hyperuricemia via increasing NO secretion and improving endothelial function.

Study Type : Animal Study

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