Article Publish Status: FREE
Abstract Title:

Emodin ameliorates tubulointerstitial fibrosis in obstructed kidneys by inhibiting EZH2.

Abstract Source:

Biochem Biophys Res Commun. 2021 Jan 1 ;534:279-285. Epub 2020 Dec 4. PMID: 33288199

Abstract Author(s):

Lin Xu, Jiandong Gao, Di Huang, Pinglan Lin, Dongsheng Yao, Feng Yang, Yaheng Zhang, Xuejun Yang, Ming Wu, Chaoyang Ye

Article Affiliation:

Lin Xu


Emodin, a major component of Chinese herbal rhubarb, delays the progression of chronic renal failure. However, the effect and working mechanisms of Emodin on renal tubulointerstitial fibrosis remains elusive. We hypothesized that emodin inhibits renal tubulointerstitial fibrosis through EZH2, a histone methyltransferase. Our in vivo and in vitro studies demonstrate that emodin reduced extracellular collagen deposition and inhibited Smad3 and CTGF pro-fibrotic signaling pathways, which were correlated with the down-regulation of EZH2 and reduced trimethylation of histone H3 on lysine 27 (H3k27me3) in NRK-49F fibrotic cells and UUO kidneys. Inhibition of EZH2 by 3-DZNeP blocked or attenuated the anti-fibrotic effect of emodin in UUO kidneys and NRK-49F cells. These data indicate that emodin inhibits renal tubulointerstitial fibrosis in obstructed kidneys and this effect is mediated through EZH2.

Study Type : Animal Study

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