AUTHOR=Napolitano Filomena , Giudice Valentina , D’Esposito Vittoria , Prevete Nella , Scala Pasqualina , de Paulis Amato , Selleri Carmine , Formisano Pietro , Rossi Francesca Wanda , Montuori Nunzia TITLE=Cell-free regenerative medicine: identifying the best source of mesenchymal stem cells for skin therapy in Systemic Sclerosis JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2025.1518412 DOI=10.3389/fcell.2025.1518412 ISSN=2296-634X