Fig. 4From: Resveratrol can enhance osteogenic differentiation and mitochondrial biogenesis from human periosteum-derived mesenchymal stem cellsEffects of resveratrol on mitochondrial biogenesis in PO-MSCs during osteogenesis. a Analysis of mitochondrial mass by flow cytometry (black line, unstained; red line, Mitotracker Green FM (MTG) stained). b Fluorescence microscopy of PO-MSCs at 2 weeks of osteogenic cultures using MTG staining and quantification. c mtDNA contents determined by qPCRBack to article page