Fig 1: (a,b) Colonic tissues from UC patient pre- (a) and post- (b) biologic treatment. Weak (+) tissue staining for IL-21(arrows). ×200.
Fig 2: (a,b) Colonic tissues from CD patient post- (a) and pre- (b) biologic treatment. Weak (+) tissue staining for IL-21. ×200.
Supplier Page from Abcam for Anti-IL-21 antibody