Recent advances in mesenchymal stem cell therapy for multiple sclerosis: clinical applications and challenges - Sheikhi, Kamran; Ghaderi, Salah; Firouzi, Hassan; Rahimibarghani, Sarvenaz; Shabani, Ehsan; Afkhami, Hamed; Yarahmadi, Aref (Frontiers in Cell and Developmental Biology, 2025)