FOXP3 and Abnormal intestine morphology: Moreover, the manifestations of enteropathy in IPEX (immune dysregulation, polyendocrinopathy, enteropathy, X-linked syndrome) patients (who lack functional Foxp3 Treg), which are often considered to provide support for a role for Foxp3+ Tregs in the prevention of IBD, clearly differ from those in IBD (41).