Immunofluorescence analysis revealed a significant increase in S100β (102.11% vs. vehicle) and TRPV1 (+89.45% vs. vehicle) in the DRG of DNBS-treated rats compared to the vehicle group on day 7 after colitis induction (p < 0.0001; Figure 6A–C). The gene discussed is TRPV1; the disease is colitis.