Article Publish Status: FREE
Abstract Title:

Pterostilbene, a bioactive component of blueberries, alleviates renal fibrosis in a severe mouse model of hyperuricemic nephropathy.

Abstract Source:

Biomed Pharmacother. 2019 Jan ;109:1802-1808. Epub 2018 Nov 26. PMID: 30551434

Abstract Author(s):

Jing Pan, Min Shi, Lingzhi Li, Jing Liu, Fan Guo, Yanhuan Feng, Liang Ma, Ping Fu

Article Affiliation:

Jing Pan


Accumulating evidences indicated that hyperuricemia was an independent risk factor for kidney diseases and contributed to kidney fibrosis. Preventing and treating renal fibrosis was an optimal treatment for hyperuricemia-induced kidney diseases. In the study, pterostilbene (PTE) as a bioactive component of blueberries was confirmed to possess lowering serum uric acid and renal protective functions by the decrease of serum creatinine, BUN, urine albumin, and urine albumin-to-creatinine ratio (uACR) in a mouse model of hyperuricemic nephropathy (HN). Importantly, PTE treatment remarkably alleviated renal fibrosis of HN mice indicated by the downregulation of fibronectin, collagen I andα-SMA production. Furthermore, PTE could suppress the fibrosis-related protein expressions of TGF-β1/Smad3, Src and STAT3 in the kidneys of HN mice. In conclusion, PTE suppressed the activation of TGF-β1/Smad3, Src and STAT3 signaling pathway to alleviate renal fibrosis of HN mice, highlighting that PTE was a potential antifibrotic strategy for hyperuricemic nephropathy.

Study Type : Animal Study

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