期刊
MOLECULAR THERAPY-NUCLEIC ACIDS
卷 28, 期 -, 页码 99-113出版社
CELL PRESS
DOI: 10.1016/j.omtn.2022.02.017
关键词
-
资金
- National Natural Science Foundation of China [81902260, 81702193, 82001788]
- Natural Science Foundation of Hubei Province [2020CFB410]
In steroid-induced osteonecrosis of the femoral head (ONFH), circular RNAs (circRNAs) may play a role in the progression of the disease by regulating the proliferation and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs), providing potential diagnostic and therapeutic strategies for ONFH.
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 in vitro. 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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