Figure 6.

Immunohistochemistry pictures depicting forkhead Box-P3 staining colon tissue. A, B: Healthy control mice; C, D: Diseased control mice; E, F: Adeno associated virus (AAV) 5 [cytomegalovirus-regulatory (CMV) promoter T-cell epitopes (Tregitope) 167] pre-treated mice. Colon tissue were prepared and assessed by immunohistochemistry for the expression of the transcription factor forkhead Box-P3 (Foxp3) as a marker for regulatory T cells. Numerous Foxp3 positive cells were detected in the lamina propria and sub-epithelium of the colon sections from mice treated with Tregitope 167 (E, F). Foxp3 positive cells were rarely present in the colon of healthy and diseased control mice (A-D). Depicted are representative data from a single mouse.