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FACS analysis of surface antigen expression of rMSCs. rMSCs stained positive for TGF-βR1, RUNX2, CD44, CD73, CD105, CD106, and CD146, and negative for CD31 and CD34. rMSCs: rat bone marrow-derived mesenchymal stromal cells. TGF-βR1: transforming growth factor-β receptor 1, Runx2: runt-related transcription factor 2
