Among the donor’s data that can be specified, there is the subject’s demographics: sex, age, and body mass index; if steatosis has been confirmed by ultrasound; and biochemical variables: aspartate aminotransferase (AST), alanine aminotransferase (ALT), gamma-glutamyl transferase (GGT), and bilirubin. The gene discussed is GPT; the disease is steatosis.