Fig. 4.
Chondrogenic differentiation of GMSCs. A) No evidence of safranin O stain (pink) that for sulphated proteoglycans. Scale bar (black) represents 100 µm. B) Pelleted cells from all patients (N = 6) in all experimental groups were analysed by RT-PCR to generate GAG, DNA, and GAG/DNA ratios. Values expressed as mean ± SD.