The role of synovial mesenchymal stem cell-derived exosomes in cartilage repair: a systematic review

Relatively higher-quality human studies compared with other topics in this database, e.g. multiple RCTs or systematic reviews. This does not mean it is standard or approved care.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Background Knee osteoarthritis (KOA) is the most widespread degenerative disease in the cumulative population. With the increasing aging of the population, KOA has become one of the most important factors leading to joint deformities in middle-aged and elderly people. At present, the therapeutic effect of synovial mesenchymal stem cells (SMSCs) has gradually attracted the attention of many researchers. Due to their better chondrogenic ability, they have gradually become an effective way to treat cartilage injury. Because its function mainly relies on exosomes and exosomes have many advantages of cell-free therapy, it has attracted much attention from researchers. Methods The study was searched between April 20, 2014, and April 20, 2025, on China National Knowledge Infrastructure (CNKI), Wanfang database, PubMed, the Cochrane Library, and Web of Science. Two researchers independently reviewed the literature, extracted data, evaluated bias. In cases of disagreement, a third reviewer made the final decision. Results The initial literature search identified 198 potentially relevant studies. After removing 7 duplicate publications, 183 records remained for screening. Title and abstract review excluded 164 irrelevant studies. Full-text assessment was performed on the remaining 19 articles, of which 12 ultimately qualified for inclusion. Overall, the risk of bias in most of the eligib

Evidence level

Relatively higher-quality human studies compared with other topics in this database, e.g. multiple RCTs or systematic reviews. This does not mean it is standard or approved care.

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