Fig 1.

FOXP3 “reactive nuclei” (arrow) in and around lymphoid follicles in small bowel mucosa and submucosa on immunohistochemically stained sections at 3 months (A), 6 months (B), and 9 months (C) post-transplant. (FOXP3 reactive nuclei are stained black, and the sections are counterstained with hematoxylin.) D, Quantitative analysis of FOXP3⁺nuclei in the examined total small bowel mucosal and submucosal tissue.