(A) OC-459 (OC), but not MK0524 (MK) (C), decreased inflammation scores, and prevented (B) colon shortening and (D) cytokine production vs. vehicle (VEH)-treated mice. (E) CRTH2-immunoreactivity in the lamina propria and epithelial cells in sections of mouse colon. Means±SD; *p<0.05; ***p<0.001; one-way ANOVA, n=6-10. Controls (CTRL, no TNBS).