Fig. 1From: Glycine receptors expression in rat spinal cord and dorsal root ganglion in prostaglandin E2 intrathecal injection modelsIntrathecal injection with PGE2 induced hyperalgesic responses in rats. In the PGE2 group, the hyperalgesic response was significantly different at 3 h post PGE2 injection compared with vehicle injection and lasted to 5 h. Significant differences of behavior hypersensitivity were as indicated. Mann–Whitney U-test, Error bars represent SE. **p < 0.01, and ***p < 0.001 (between the PGE2 and vehicle groups); h, hourBack to article page