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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2023, Vol. 17 ›› Issue (04): 520-527. doi: 10.3877/cma.j.issn.1674-134X.2023.04.009

• Review • Previous Articles     Next Articles

Research progress of exosomal non-coding RNA in pathogenesis of osteoarthritis

Jinglong He, Wei Sun(), Minghong Gao, Wei Xie, Luogong Jiang, Qifei He, Jiaji Yue   

  1. Department of Joint Surgery, the Second People’s Hospital of Shenzhen(the First Affiliated Hospital of Shenzhen University), Shenzhen 518000, China
  • Received:2021-11-11 Online:2023-08-01 Published:2023-08-24
  • Contact: Wei Sun

Abstract:

Exosomes are extra-cellular vesicles with a diameter of 50-150 nm secreted by a variety of cells. They play an important role in paracrine, immune regulation and inter-cellular communication under physiological and pathological conditions. Studies have shown that non-coding RNAs (ncRNA) such as micro RNAs (miRNA) and long non-coding RNAs (ncRNA) in exosomes are involved in the regulation of osteoarthritis (OA) pathogenesis. The mechanisms are as follows: miRNA can bind messenger RNA (mRNA) and affect its transcription and the following translation, while lncRNA can competitively bind miRNA and inhibit the regulation of miRNA on mRNA transcription. In this way, ncRNA can regulate the expression of downstream target genes, affecting cell apoptosis and proliferation, regulating chondrocyte extracellular matrix metabolism, and regulating inflammation responses and therefore regulating the pathogenesis of osteoarthritis. The research of exosomal ncRNA will help to further understand the pathogenesis of OA, delay the progression of OA, promote the repair of cartilage damage and promote the development of targeted therapy.

Key words: Exosomes, RNA, untranslated, MicroRNAs, RNA, long noncoding, Osteoarthritis

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