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  • Title: Immune complexes in sera of children with HBV-mediated glomerulonephritis.
    Author: Gregorek H, Jung H, Ułanowicz G, Madaliński K.
    Journal: Arch Immunol Ther Exp (Warsz); 1986; 34(1):73-83. PubMed ID: 3778117.
    Abstract:
    Multiple serum samples from 27 children with hepatitis B virus (HBV)--mediated glomerulonephritis (GN) were screened for the presence of immune complexes by an antigen-specific method. For this purpose an immunoenzymatic test was set up, applying a solid-phase Clq and the enzyme-conjugated antibodies: anti-HBs and anti-HBe. Complexes of HBsAg were found in sera of 15 children (55.6%), while complexes of HBeAg--in sera of 12 children (44.4%). Molecular weight of complexes was measured in sera of three patients, disclosing the values of 2.5-3.3 X 10(6) daltons for HBsAg complexes and 2.5-3.2 X 10(5) daltons for HBeAg complexes. Immune deposits consisting of hepatitis B virus antigen (HBeAg), IgG and C3 were detected in the glomeruli by immunoperoxidase and immunofluorescent assays respectively, in 3 out of 4 patients with membranous glomerulonephritis (MGN). No genetic defect of the complement system was found by the measurement of total haemolytic activity of complement and concentration of early complement components. From the analysis of clinical and laboratory data it was concluded that the appearance of HBeAg complexes correlated with more severe course of the disease.
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