Fig. 1From: Andrographolide protects bone marrow mesenchymal stem cells against glucose and serum deprivation under hypoxia via the NRF2 signaling pathwayCharacterization of BMSCs and validation of the cell injury model. A Flow cytometric analysis of CD markers. B, C Crystal violet staining images and the OD value at 570 nm of the Blank group and GSDH group (GSDH treated for 24 h), scale bars: 100 μm. D Hoechst 33,342 staining. Scale bars: 50 μm. E Number of live cells detected by trypan blue staining (n = 3), scale bars: 50 μm. *P < 0.05, ****P < 0. 0001Back to article page