Fig. 7From: The preconditioning of lithium promotes mesenchymal stem cell-based therapy for the degenerated intervertebral disc via upregulating cellular ROSPreconditioning of LiCl increased cellular ROS level in ADSC. a–e The cellular ROS after preconditioning with LiCl was detected using DCFH-DA, scale bar = 100 μm. f Quantitative analyses of cellular ROS level. Error bars depict Mean ± SD. (****P < 0.0001, ***P < 0.001, **P < 0.01. NS, nonsignificant)Back to article page