Clinical Study

In Crohn's Disease, Anti-TNF- 𝜶 Treatment Changes the Balance between Mucosal IL-17, FOXP3, and CD4 Cells

Figure 1

Immunoperoxidase staining for forkhead box P3 (FOXP3) and interleukin 17 (IL-17) in frozen sections, 3-amino-9-ethylcarbazole-hematoxylin stain. Staining of FOXP3 in mucosal biopsy specimens from a control patient (a), original magnification 200x. Representative stainings for FOXP3 (b, nuclear) and IL-17 (c, paranuclear) from a Crohn’s disease patient. Scale bar indicates 50 μm, original magnifications 100x and 200x. Insets: FOXP3 (b) and IL-17 (c), original magnification 1000x.
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