Fig. 1From: Thrombin-activated platelet-rich plasma enhances osteogenic differentiation of human periodontal ligament stem cells by activating SIRT1-mediated autophagyThe characterization of hPDLSCs. A After isolation, hPDLSCs exhibited a spindle-shaped morphology. B By FCM analysis, hPDLSCs were positive for MSCs markers CD146 and STRO-1, while negative for hematopoietic cells markers CD34 and CD45Back to article page