Fig. 2From: Platelet-derived growth factor (PDGF)-AA/AB in human serum are potential indicators of the proliferative capacity of human synovial mesenchymal stem cellsColony number of synovial mesenchymal stem cells (MSCs) by rapid and slow preparation serum. a Representative wells stained with crystal violet. Sera derived from four donors and synovial MSCs derived from other four donors were used. b Quantification of colony number. Data are shown as mean ± SD (n = 6 in a minimum unit). *p < 0.001 by two-way analysis of variance with repeated measuresBack to article page