Therefore, we measured IgA and IgG isotypes of the above‐mentioned target‐specific antibodies along with total‐IgA, IgG, IgM, sIgA, free kappa and lambda IgLC levels in a prospective cohort of patients with cirrhosis and AD or ACLF and investigated their association with disease severity and outcomes. The gene discussed is CD79A; the disease is Alzheimer disease.