NFKB1 and inflammatory bowel disease: A part of bacterial species belonging to the order Campylobacterales (class Epsilonproteobacteria) were increased in IBD patients (64–68) and implicated in the pathogenesis of IBD by promoting production of pro-inflammatory cytokines from intestinal DCs and Mφs through activation of the NF-κB signaling (66, 68, 69).