TNFRSF1A and inflammatory bowel disease: Likewise, none of the SNPs in the TNF receptors (TNFRSF1B (rs1061622), TNFRSF1A (rs767455), TNFRSF1A (rs4149570), and TNFRSF1B (rs3397)) were found associated with response to TNFi in IBD (Supplementary Table S5).