<prompt> Most common antibody in autoimmune hepatitis isu1RNPAnti-5mANAAnti-LKM  <response>: Autoimmune hepatitis Indistinguishable from chronic viral hepatitis. Responds to immunosuppressive therapy Female predominance70 Absence of serogical evidence of viral infection Presence of other forms of autoimmune diseases like rheumatoid ahritis, thyroiditis, sjogren syndrome and ulcerative colitis. Most patients found to have circulating anti- nuclear antibodies, anti-smooth muscle antibiodies, liverkidney microsomal antibody, anti-soluble liverpancreas antigen. ROBBINS BASIC PATHOLOGY NINTH EDITION PAGE 620 