Immune System Immune SystemALDH2Aldehyde dehydrogenase is the second enzyme in the alcohol metabolism pathway, responsible for clearing alcohol from the body. Immune SystemIL10IL-10 is an anti-inflammatory cytokine which acts to damp down the immune systems inflammatory response. Immune SystemFUT2FUT2 is a protein which plays an important role in the creation in A or B antigens in A/B/O antigen types. Immune SystemBCO1BCO1 is an enzyme which breaks down beta-carotene into retinal, a form of vitamin A. Immune SystemHNMTHNMT breaks down the molecule histamine which is important in the immune response. Immune SystemGSTP1GSTP1 is an enzyme which assists the antioxidant glutathione remove harmful reactive oxygen species. Immune SystemAOC1AOC1 is an enzyme that breaks down histamine and other related compounds.