Clinical Research Directory

AIH (Auto-Immune Hepatitis) patients : Inclusion Criteria : 1. age≥10 years old 2. weight≥25kg 3. AIH (with or without the presence of an overlap) whose diagnosis is validated by at least 2 of the following criteria : * ALT\>2N or IgG\>1.1N * Presence of autoantibodies : ANA (antinuclear), ML (anti-smooth muscle), SLA (anti-soluble liver antigen), LKM1 (anti-endoplasmic reticulum), LC1 (anti-liver cytosol) * Presence of interface hepatitis on biopsy 4. signing of a written consent form for participation in the study and for the storage of biological samples research Control patients : 1. age≥18 years old 2. weight≥37kg 3. Patient with one of the following 3 conditions : * Primary Biliary Cholangitis * Metabolic steatohepatitis * Drug induced hepatitis Exclusion Criteria : Positive HIV serology HBV infection Positive HCV serology and PCR Patients under guardianship or curatorship