Wilson disease (26), UDP-glucuronosyltransferase A1 deficiency (2), Dubin-Johnson syndrome (1), Glycogen storage disease (1), Hereditary hemorrhagic telangiectasia syndrome (1), Alstrom syndrome (1), Immunodeficiency, X-linked, with hyper-IgM (1). The gene discussed is CD40LG; the disease is Immunodeficiency.