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Expression of TRPV1 in the DRG. A, Immunohistochemistry reveals that the number of TRPV1-positive cells increases in L3, L4, and L5 DRGs on PTD 14. B, Double immunofluorescence reveals the expression of TRPV1 in IB4-, CGRP-, and NF-200-positive neurons in the DRGs from sham and PTD 14 rats. **p < 0.01 versus sham.
