MIR663AHG as a competitive endogenous RNA regulating TGF-& beta;-induced epithelial proliferation and epithelial-mesenchymal transition in benign prostate hyperplasia
Journal of biochemical and molecular toxicology(2023)
Abstract
Benign prostate hyperplasia (BPH) is the most commonly seen disease among aging males. Transforming growth factor(TGF)-& beta;-mediated epithelial-mesenchymal transition (EMT) and epithelial overproliferation might be central events in BPH etiology and pathophysiology. In the present study, long noncoding RNA MIR663AHG, miR-765, and FOXK1 formed a competing endogenous RNAs network, modulating TGF-& beta;-mediated EMT and epithelial overproliferation in BPH-1 cells. miR-765 expression was downregulated in TGF-& beta;-stimulated BPH-1 cells; miR-765 overexpression ameliorated TGF-& beta;-mediated EMT and epithelial overproliferation in BPH-1 cells. MIR663AHG directly targeted miR-765 and negatively regulated miR-765; MIR663AHG knockdown also attenuated TGF-& beta;-induced EMT and epithelial overproliferation in BPH-1 cells, whereas miR-765 inhibition attenuated MIR663AHG knockdown effects on TGF-& beta;-stimulated BPH-1 cells. miR-765 directly targeted FOXK1 and negatively regulated FOXK1. FOXK1 knockdown attenuated TGF-& beta;-induced EMT and epithelial overproliferation and promoted autophagy in BPH-1 cells, and partially attenuated miR-765 inhibition effects on TGF-& beta;-stimulated BPH-1 cells. In conclusion, this study provides a MIR663AHG/miR-765/FOXK1 axis modulating TGF-& beta;-induced epithelial proliferation and EMT, which might exert an underlying effect on BPH development and act as therapeutic targets for BPH treatment regimens.
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Key words
benign prostate hyperplasia,epithelial proliferation,epithelial epithelial–mesenchymal transition,rna
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