Fig. 4. Curcumin decreased expression of cyclooxygenase (COX)-2 in skin after irradiation (50 Gy). (A) COX-2 expression in skin before irradiation exposure. COX-2 expression in skin of vehicle-treated (B-D) or curcumin-treated (E-G) mini-pigs 7, 21, and 35 days after irradiation. Hematoxylin counterstain. 400× (A-G).
