ArticleStem cells international2026
BMSC-Exosomes Combined With TGF-β1 Enhance Meniscal Fibrochondrocyte Function: Implications for Cartilage Repair.
Article in Stem cells international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- BMSC-Exosomes Combined With TGF-β1 Enhance Meniscal Fibrochondrocyte Function: Implications for Cartilage Repair.Stem cells international · 2026Article
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7 authors.
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Abstract
Background: Meniscal healing is often limited because adult meniscal fibrochondrocytes (MFCs) possess inherently low proliferative and reparative capacities. Bone marrow mesenchymal stem cell-derived exosomes (BMSC-Exos) have recently emerged as promising cell-free therapeutics with regenerative potential, whereas transforming growth factor-β1 (TGF-β1) is a well-established chondrogenic factor. In this study, we investigated the potential synergistic effects of BMSC-Exos and TGF-β1 on MFC proliferation, migration, and extracellular matrix synthesis in vitro. Objective: To explore the effects of BMSC-Exos combined with TGF-β1 on MFCs and to investigate new approaches for treating meniscus injuries. Methods: BMSC-Exos were extracted by differential centrifugation and identified by transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA), and western blotting. The meniscus fibrochondrocytes were treated with BMSC-Exos, TGF-β1, and BMSC-Exos + TGF-β1 for 24 h. The distribution of fluorescently labeled BMSC-Exos in meniscus fibrochondrocytes was observed by fluorescence microscopy. The effects of BMSC-Exos, TGF-β1, and BMSC-Exos + TGF-β1 on the proliferation and migration of meniscus fibrochondrocytes were evaluated by CCK-8 assay, DNA quantification, cell migration assay, and cell scratch assay. Results: (1) BMSC-Exos are crescent-shaped, with an average particle size of approximately 118 nm, and express the specific protein TSG101. (2) The results of immunofluorescence staining showed that BMSC-Exos were aggregated in the fibrocartilage cells of the meniscus. (3) Compared with the blank control group (CON group), the proliferation and migration abilities of the fibrocartilage cells of the meniscus in the three experimental groups were all enhanced, among which the BMSC-Exos + TGF-β1 group had the most significant effect. (4) The DNA content of the cells in the three experimental groups was all higher than that of the CON group, and the DNA content of the cells in the BMSC-Exos + TGF-β1 group was the highest ( Conclusion: The combined application of BMSC-Exos and TGF-β1 can more effectively promote the proliferation and migration of meniscus fibrocartilage cells, and holds promise as a new approach for the treatment of meniscus injuries.
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