Fig. 4From: Emodin promotes fibroblast apoptosis and prevents epidural fibrosis through PERK pathway in ratsEMO upregulated the expression of GRP78 in the epidural scar tissue in rats. a Immunohistochemical analysis of the expression of GRP78 in epidural scar tissue after treatment with saline and 50 and 100 mg/kg EMO. b The histogram shows the optical analysis of immunohistochemistry, and the results were repeated for three timesBack to article page