GPT and pemphigus foliaceus: With regard to the liver function parameters, the levels of alanine aminotranspherase (ALT) (T1) and aspartate aminotransferase (AST) (from T0 to T2), total bilirubin (TBil) (T2) were obviously higher in patients with PF, while the albumin (ALB) were significantly lower during the study period.