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  • Title: Differential localization of s and e antigens in hepatitis B virus-associated glomerulonephritis.
    Author: Ohba S, Kimura K, Mise N, Konno Y, Suzuki N, Miyashita K, Tojo A, Hirata Y, Uehara Y, Atarashi K, Goto A, Omata M.
    Journal: Clin Nephrol; 1997 Jul; 48(1):44-7. PubMed ID: 9247778.
    Abstract:
    We report here a case of membranous glomerulonephritis associated with chronic hepatitis B (HB) virus infection and describe differential localization of HB antigens in glomeruli. The patient showed mild proteinuria and was positive for hepatitis B surface (HBs) antigen, hepatitis B envelope (HBe) antigen, and antibody to hepatitis B core (HBc) antigen in the serum. The antibody against hepatitis C was negative. A renal biopsy revealed membranous glomerulonephritis with mesangial proliferation. The immunohistochemical studies using monoclonal antibodies localized the HBe antigen along the capillary wall and the HBs antigen in the mesangial area. The immunoelectron microscopic study confirmed the localization of HB antigens: HBe antigen was located in the subepithelial and intramembranous electron dense deposits and HBs antigen in the mesangial deposits. Our present results provide the first report of the differential localization of HB antigens in glomeruli at both the light and electron microscopic levels. The differential localization of HB antigens will provide insight into the pathogenesis of membranous glomerulonephritis.
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