Pu-erh ripened tea resists to hyperuricemia through xanthine oxidase and renal urate transporters in hyperuricemic mice
文献类型： 外文期刊
作者：
Zhao, Ran
1
;
Chen, Dong
2
;
Wu, Hualing
2
;
作者机构： 1.Hunan Agr Univ, Minist Educ Tea Sci, Key Lab, Changsha 410128, Hunan, Peoples R China
2.Guangdong Acad Agr Sci, Tea Res Inst, Guangzhou 510640, Guangdong, Peoples R China
3.Guangdong Key Lab Tea Plant Resources Innovat & U, Guangzhou 510640, Guangdong, Peoples R China
关键词： Pu-erh ripened tea;Hyperuricemia;Uric acid;Xanthine oxidase;Urate transporters
期刊名称：JOURNAL OF FUNCTIONAL FOODS （ 影响因子：4.451； 五年影响因子：4.907 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： To investigate the effects of Pu-erh ripened tea on lowering uric acid levels and identify its possible mechanisms, three different doses of the tea, with allopurinol as a positive control, were administered intragastrically to hyperuricemic mice. Hyperuricemia was induced in the mice by oral administration of potassium oxonate for 7 days. Serum levels of uric acid, liver xanthine oxidase (XOD) and adenosine deaminase (ADA) activities, and expression of renal mURAT1, mGLUT9, mOAT1 and mOCT1 protein and mRNA were measured. Pu-erh ripened tea, at all doses, significantly lowered serum uric acid levels. At the high and medium doses, it also markedly inhibited liver XOD and ADA activities. Furthermore, mURAT1 and mGLUT9 expression levels were significantly down-regulated by Pu-erh ripened tea treatment. These results suggested that Pu-erh ripened tea can resist to hyperuricemia, possibly by inhibiting, concurrently, uric acid production and renal urate reabsorption. (C) 2016 Elsevier Ltd. All rights reserved.
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