Research Article
Protective Effect of Thalidomide on 2,4,6-Trinitrobenzenesulfonic Acid-Induced Experimental Colitis in Rats via the Inhibition of T Helper 17 Cells
Figure 6
IL-23 expression in each group by immunohistochemistry (400x). (a) Healthy control group; (b) untreated TNBS-induced colitis group; (c) high-dose thalidomide group; and (d) low-dose thalidomide group.