Fodor in his latest study examined BAFF and fecal calprotectin in the stools of children with CD, children with UC, children with irritable bowel syndrome (IBS) and healthy children, discovered a significant increase in fecal BAFF concentration in group with IBD and a remarkable correlation between BAFF and fecal calprotectin (9). The gene discussed is TNFSF13B; the disease is irritable bowel syndrome.