The median duration of follow-up at the time of enrollment was 6.5 years, all patients were asymptomatic, and most patients had increased serum levels of GGT, ALP, AST and ALT, total IgA, IgM, IgG, total and direct bilirubin, and INR at the moment of AIH diagnosis (Table 1). Here, CD40LG is linked to autoimmune hepatitis.