“…Th1-type cytokine production, including IL-12 and IFN-g in addition to TNF-a production, have been reported to play a major role in CD [30][31][32]. Anti-TNF-a antibody is used to treat patients with CD and also patients with intestinal BD, suggesting partial common pathogenic pathways between the two diseases [8][9][10]33,34]. The triggering antigens may be different between BD and CD.…”