Expression of CXCL12 protein in DRG after TCI in rats. (A) Western blot analysis shows time course of DRG CXCL12 expression in sham and TCI rats. (B) Western blot analysis shows DRG or SC CXCL12 expression in sham and TCI rats at day 1. Five samples were included in each group. Representative bands are shown on the top; data summary is shown on the bottom. **P < 0.01 versus sham control.