CircHGF Suppressed Cell Proliferation and Osteogenic Differentiation of BMSCs in ONFH Via Inhibiting MiR-25-3p Binding to SMAD7

Overview

Journal Mol Ther Nucleic Acids

Publisher Cell Press

Date 2022 Apr 11

PMID 35402073

Authors

Xiaobo Feng

Qian Xiang

Jie Jia

Tingting Guo

Zhiwei Liao

Shuhua Yang

Xianyi Cai

Xianzhe Liu

Affiliations

Soon will be listed here.

Abstract

Steroid-induced osteonecrosis of the femoral head (ONFH) is a common and devastating bone disorder, which often results in progressive collapse of the femoral head and subsequent osteoarthritis. The proliferation ability and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) play critical roles in maintaining the structural and functional integrity of the femoral head to prevent ONFH. Until now, little has been known about the underlying mechanism of BMSCs differentiation disorder during ONFH progression. Circular RNAs (circRNAs) are considered to be vital non-coding RNAs functionally involved in various human diseases. However, whether and how circRNA regulates the proliferation and osteogenic differentiation of BMSCs in ONFH remain unclear. In this study, we analyzed the circRNA expression profile of five samples of BMSCs in ONFH and five samples of control by using circRNA microarray assays. We identified 182 differentially expressed circRNAs, among which 108 circRNAs were upregulated. We further investigated the effects of a significantly upregulated circRNA, circHGF, on the proliferation and osteogenic differentiation of BMSCs . Results showed that circHGF suppressed the proliferation and osteogenic differentiation of BMSCs in ONFH by targeting miR-25-3p/SMAD7 axis. Our findings provided a potential diagnostic and therapeutic strategy for ONFH.

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