Fucoidan from Laminaria japonica Inhibits Expression of GLUT9 and URAT1 via PI3K/Akt, JNK and NF-kappa B Pathways in Uric Acid-Exposed HK-2 Cells

文献类型： 外文期刊

第一作者： Zhang, Yu

作者： Zhang, Yu;Tan, Xiaohui;Lin, Zhen;Li, Fangping;Liu, Huazhong;Zhang, Yu;Tan, Xiaohui;Yang, Chunyan;Zheng, Haiying;Li, Lingyu;Shang, Jianghua

作者机构：

关键词： fucoidan; uric acid; urate transporter 1; glucose transporter 9

期刊名称：MARINE DRUGS （ 影响因子：4.073； 五年影响因子：4.877 ）

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年卷期： 2021 年 19 卷 5 期

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收录情况： SCI

摘要： This work aimed to investigate the effect of fucoidan (FPS) on urate transporters induced by uric acid (UA). The results showed that UA stimulated the expression of glucose transporter 9 (GLUT9) and urate transporter 1 (URAT1) in HK-2 cells, and FPS could reverse the effect. Moreover, UA could activate NF-kappa B, JNK and PI3K/Akt pathways, but both pathway inhibitors and FPS inhibited the UA-induced activation of these three pathways. These data suggested that FPS effectively inhibited the expression induction of reabsorption transporters URAT1 and GLUT9 by UA, through repressing the activation of NF-kappa B, JNK and PI3K/Akt signal pathways in HK-2 cells. The in vitro research findings support the in vivo results that FPS reduces serum uric acid content in hyperuricemia mice and rats through inhibiting the expression of URAT1 and GLUT9 in renal tubular epithelial cells. This study provides a theoretical basis for the application of FPS in the treatment of hyperuricemia.

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