Fig. 1From: Hypoxia-treated adipose mesenchymal stem cell-derived exosomes attenuate lumbar facet joint osteoarthritisSchematic of lumbar spine instability (LSI) model establishment and diagram of timeline for examination postoperative among different treatment groups in vivo. (A) Schematic of LSI model establishment and red arrows indicate the facet joint osteoarthritis induced by LSI; (B) Group information and details; (C) Schedule time points for spinal pain tests, histological evaluation, immunohistochemistry, SR-FTIR, 3D X-ray microscopy analysis and immunofluorescenceBack to article page