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EP injury increased GFAP in the spinal dorsal horn with no effect of injectate. (A) Representative images of GFAP immunohistochemical staining with Nissl stain in the entire spinal cord and left dorsal horn. (B) EP injury with TNFα injection increased GFAP-ir in the spinal cord dorsal horn. (C) Combined EP injury increased GFAP-ir in the spinal cord dorsal horn. * p < 0.05. ** p < 0.01.
