TNFSF15 and inflammatory bowel disease: A significant association of genetic variants of the TNFSF15 (TL1A) gene on chromosome 9q33 with CD was observed in a large cohort of Japanese patients, in several European cohorts [8], [20], [21], in US Jewish patients [22], in the combined data from the NIDDK IBD Consortium and the WTCCC [3], in Koreans patients [23], and in UC GWA study [7].