ALP: alkaline phosphatase; AST: aspartate aminotransferase; ALT: alanine aminotransferase; ANA: antinuclear antibody; SMA: smooth muscle antibody; LKM-1: liver kidney microsome type 1 antibody; AMA: anti-mitochondrial antibody; AIH: autoimmune hepatitis. The gene discussed is GPT; the disease is autoimmune hepatitis.