The direct correlation between EndMT and IBD-related fibrosis has not yet been reported, whereas TGF-β and EndMT related genes including collagen I alpha 2 are reported to be abundant in the intestine of IBD (Burke et al., 2011; Sadler et al., 2013; Scharl et al., 2015). The gene discussed is TGFB1; the disease is inflammatory bowel disease.