title: Organ-specificity and diagnostic value of cell-mediated immunity against a liver-specific membrane protein: studies in hepatic and non-hepatic diseases.
abstract: In chronic active hepatitis (CAH, n=58) 70% of the HBsAg negative and 48% of the HBsAg positive cases showed a CMI against human liver specific proteins (HLPI). Using HBsAg as antigen only 12% of the HBsAg negative and 24% of the HBsAg positive cases gave a CMI response. On the basis of HBsAg and autoantibodies in the serum CAH patients could be divided into 4 subgroups. A close correlation between CMI against HLPI, sex, ANA and HL-A-8 could be detected. In a follow-up study of patients with acute virus B hepatitis (n=62) CMI against HBsAg was detected in 60% of the cases in the acute phase of the disease but in 15% only 3-6 months after the onset of the illness (n=40). In patients who developed a chronic HBsAg carrier status 3 of 5 cases remained persistently positive with HLPI as antigen in the migration inhibition test. - In non-hepatic diseases in which immunological abnormalities may be present (malignant diseases n=46, diabetes mellitus n=27, active tuberculosis, n=18 and untreated systemic lupus erythematodes, n=5) only 26% of patients with malignant diseases showed a migration inhibition with HLPI. - Using different antigens such as human liver specific proteins (HLP), rabbit liver specific proteins (RLP), brucella suis antigen and tuberculin it was possible to demonstrate the validity of the two-step migration inhibition test to detect CMI. The results with different antigens in hepatic and non-hepatic diseases demonstrated that cell-mediated immunity of HLPI is an organ specific immune reaction which is associated with acute and chronic active liver diseases as a time limited or long-lasting phenomenon. Positive reactions in some tumor patients suggest that different mechanisms may elicit an autoimmune reaction against liver antigens.
mesh_terms: D000906:Antibodies / Q000032:analysis; D000974:Antibodies, Antinuclear / Q000032:analysis; D000918:Antibody Specificity; D000937:Antigen-Antibody Reactions; D001323:Autoantibodies / Q000032:analysis; D002464:Cell Migration Inhibition; D002908:Chronic Disease; D003920:Diabetes Mellitus / Q000276:immunology; D006505:Hepatitis / Q000276:immunology; D006506:Hepatitis A / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D007111:Immunity, Cellular; D007962:Leukocytes / Q000276:immunology; D008107:Liver Diseases / Q000276:immunology*; D009130:Muscle, Smooth / Q000276:immunology; D009369:Neoplasms / Q000276:immunology; D012737:Sex Factors; D014376:Tuberculosis / Q000276:immunology; D014777:Virus Diseases / Q000276:immunology
chemical_list: D000906:Antibodies; D000974:Antibodies, Antinuclear; D001323:Autoantibodies; D006511:Hepatitis B Antigens