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Presence and origin of IgA1- and IgA2-containing circulating immune complexes in chronic alcoholic liver diseases with and without glomerulonephritis. 1985

R Coppo, and S Aricò, and G Piccoli, and B Basolo, and D Roccatello, and A Amore, and M Tabone, and M De la Pierre, and A Sessa, and D L Delacroix

Levels of IgA-containing circulating immune complexes (IgAIC) and their content of IgA1 and IgA2 subclasses were determined in chronic alcoholics with various degrees of liver damage and with or without associated glomerulonephritis. In patients with chronic alcoholic liver diseases, significantly increased IgAIC mean values were found independent of the presence of renal involvement, while in chronic alcoholics without biochemical evidence of liver damage IgAIC levels were normal. Both IgA subclasses were evidenced in IgAIC with an IgA pattern similar to that found in secretions, in agreement with the impaired liver clearance of IgAIC derived from intestinal mucosa. Nevertheless, no significant correlation between IgAIC and markers of hepatocytolysis or of cholestasis was found. One cannot therefore rule out the hypothesis of increased IgA synthesis in alcoholic liver disease due to abnormal alimentary antigen challenge and pathologic lymphocytic responsiveness. Finally, high IgAIC levels were found not only in patients with IgA glomerular deposits, but also in patients without clinical evidence of renal involvement.

UI MeSH Term Description Entries
D007070 Immunoglobulin A Represents 15-20% of the human serum immunoglobulins, mostly as the 4-chain polymer in humans or dimer in other mammals. Secretory IgA (IMMUNOGLOBULIN A, SECRETORY) is the main immunoglobulin in secretions. IgA,IgA Antibody,IgA1,IgA2,Antibody, IgA
D008108 Liver Diseases, Alcoholic Liver diseases associated with ALCOHOLISM. It usually refers to the coexistence of two or more subentities, i.e., ALCOHOLIC FATTY LIVER; ALCOHOLIC HEPATITIS; and ALCOHOLIC CIRRHOSIS. Alcoholic Liver Diseases,Alcoholic Liver Disease,Liver Disease, Alcoholic
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D005260 Female Females
D005921 Glomerulonephritis Inflammation of the renal glomeruli (KIDNEY GLOMERULUS) that can be classified by the type of glomerular injuries including antibody deposition, complement activation, cellular proliferation, and glomerulosclerosis. These structural and functional abnormalities usually lead to HEMATURIA; PROTEINURIA; HYPERTENSION; and RENAL INSUFFICIENCY. Bright Disease,Kidney Scarring,Glomerulonephritides,Scarring, Kidney
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000936 Antigen-Antibody Complex The complex formed by the binding of antigen and antibody molecules. The deposition of large antigen-antibody complexes leading to tissue damage causes IMMUNE COMPLEX DISEASES. Immune Complex,Antigen-Antibody Complexes,Immune Complexes,Antigen Antibody Complex,Antigen Antibody Complexes,Complex, Antigen-Antibody,Complex, Immune,Complexes, Antigen-Antibody,Complexes, Immune

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