Targeting Lysine-specific Demethylase 1A Inhibits Renal Epithelial-mesenchymal Transition and Attenuates Renal Fibrosis

Overview

Journal FASEB J

Specialties Biology
Physiology

Date 2021 Dec 27

PMID 34958158

Citations 12

Authors

Xiaoqin Zhang

Linda Xiaoyan Li

Chen Yu

Karl A Nath

Shougang Zhuang

Xiaogang Li

Affiliations

Soon will be listed here.

Abstract

Lysine-specific histone demethylase 1 (LSD1) as the first identified histone/lysine demethylase regulates gene expression and protein functions in diverse diseases. In this study, we show that the expression of LSD1 is increased in mouse kidneys with unilateral ureteral obstruction (UUO) and in cultured NRK-52E cells undergoing TGF-β1-induced epithelial-mesenchymal transition (EMT). Inhibition of LSD1 with its specific inhibitor ORY1001 attenuated renal EMT and fibrosis, which was associated with decreased the deposition of extracellular matrix proteins and the expression of fibrotic markers, including α-smooth muscle actin (α-SMA) and fibronectin, and the recovery of E-cadherin expression and decrease of N-cadherin expression in UUO kidneys and in NRK-52E cells induced with TGF-β1. Targeting LSD1 also decreased the expression of Snail family transcriptional repressor 1 (Snail-1) and its interaction with LSD1 in UUO kidneys and in NRK-52E cells treated with TGF-β1. In addition, we identified a novel LSD1-14-3-3ζ-PKCα axis in the regulation of the activation of AKT and Stat3 and then the activation of fibroblasts. This study suggests that LSD1 plays a critical role in regulation of renal EMT and fibrosis through activation of diverse signaling pathways and places an emphasis that LSD1 has potential as a therapeutic target for the treatment of renal fibrosis.

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