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Their soluble mediators and extracellular vesicles (EVs), which make up the secretome, suppress immune response, attenuate inflammation and promote cartilage repair. EVs, as well as the whole secretome, have been investigated as cell free approaches for OA although, to date, a disease-tailored molecular fingerprint is missing. In this study, soluble mediators and miRNAs were sifted in the BMSCs\u2019 secretome and EVs, respectively, and analyzed in the frame of cell types and factors involved in OA. The majority of identified molecules repress the activation of immune cells and the production of OA-related inflammatory mediators, as well as promote cartilage protection by acting on both chondrocytes homeostasis and extracellular matrix-degrading enzymes. These data provide the molecular ground for the therapeutic potential of BMSCs for regenerative applications for OA and support the use of secretome or EVs as cell-free applications in joint diseases.<\/jats:p>","DOI":"10.3390\/cells11213501","type":"journal-article","created":{"date-parts":[[2022,11,7]],"date-time":"2022-11-07T02:43:51Z","timestamp":1667789031000},"page":"3501","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Secreted Factors and Extracellular Vesicles Account for the Immunomodulatory and Tissue Regenerative Properties of Bone-Marrow-Derived Mesenchymal Stromal Cells for Osteoarthritis"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0272-7417","authenticated-orcid":false,"given":"Enrico","family":"Ragni","sequence":"first","affiliation":[{"name":"Laboratorio di Biotecnologie Applicate all\u2019Ortopedia, IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, I-20161 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6162-8668","authenticated-orcid":false,"given":"Carlotta","family":"Perucca Orfei","sequence":"additional","affiliation":[{"name":"Laboratorio di Biotecnologie Applicate all\u2019Ortopedia, IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, I-20161 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9979-3092","authenticated-orcid":false,"given":"Laura","family":"de Girolamo","sequence":"additional","affiliation":[{"name":"Laboratorio di Biotecnologie Applicate all\u2019Ortopedia, IRCCS Istituto Ortopedico Galeazzi, Via R. 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