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  • Title: [Clinical and histological observation of HBV glomerulonephritis treated with interferon-beta].
    Author: Ueda T, Gotoh Y, Shiroshita K, Sakurai T, Kataoka Y.
    Journal: Nihon Jinzo Gakkai Shi; 1990 Nov; 32(11):1153-9. PubMed ID: 2082050.
    Abstract:
    Hepatitis B virus carriers, a 30-year-old man (case 1) and a 31-year-old man (case 2), associated with nephrotic syndrome were treated with interferon-beta. The nephrotic syndrome did not respond to corticosteroid therapy. Their HBs-Ag, HBe-Ag and HBc-Ab were positive. Renal biopsies revealed membranous glomerulonephritis in case 1 and mixed membranous and proliferative glomerulonephritis in case 2. Direct immunofluorescence studies showed strong granular staining of the GBM with IgG and using sandwich technique with anti-HBe antiserum, granular deposits were seen throughout the GBM. Patients were administrated mainly 3-6 x 10(6) IU/day interferon-beta intravenously for four weeks. After transitory elevation of serum transaminase, HBe-Ag and DNA-polymerase have disappeared with development of HBe-Ab (seroconversion) about six months after the end of interferon-beta administration. Then nephrotic syndrome has recovered in incomplete remission after a year and a half follow-up. The secondary renal biopsy in case 1 showed less intense deposits of HBe-Ag along GBM. These facts suggest that the improvement of proteinuria is associated with the decrease in HBV replication due to interferon therapy.
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