Anti-laminaribioside carbohydrate IgG antibodies (ALCA), anti-chitobiosidecarbohydrate IgA antibodies (ACCA), anti-mannobioside carbohydrate IgG antibodies (AMCA), anti-laminarin IgA (anti-L) and anti-chitin IgA (anti-C) are novel antibodies against bacterial polysaccharides further associated with IBD [152,153], which is overall more prevalent in CD where reported PPVs versus UC range from 65 to 92% [137]. Here, CD79A is linked to irritable bowel syndrome.