Fig. 4From: The preconditioning of lithium promotes mesenchymal stem cell-based therapy for the degenerated intervertebral disc via upregulating cellular ROSPreconditioning using LiCl promotes cell survival and ECM deposit in the degenerative IVD-like condition. a Relative cell number at 2 days post-transplantation. b Content of LDH of ADSC in normal condition or degenerative IVD-like condition. c The ECM content was determined using Alcian Blue staining. Scale bar = 100 μm. Error bars depict Mean ± SD. (****P < 0.0001, ***P < 0.001, **P < 0.01)Back to article page