F11R and ulcerative colitis: Similar relationships have been described in the studies of ulcerative colitis patients in whom the deregulated expression of OCLN, CLDN1, junctional adhesion molecule 1 (F11R, also known as JAM), beta-catenin (CTNNB1) and epithelial cadherin (CDH1) led to the transepithelial migration of neutrophils [42].