PMID: 7008810Sep 30, 1980Paper

Immunofluorescence studies on HBsAg positive chronic hepatitis in children. Correlation with the clinical pattern

Bollettino dell'Istituto sieroterapico milanese
R CalziaP Tolentino

Abstract

The results obtained in a study of liver biopsies from children affected by different forms of chronic hepatitis during an immunodepressive treatment, accomplished by means of immunofluorescence are summarized. The different antigens correlated to B virus, localized in the nuclei (core and delta), the immunological phenomena observed in the tissue (immunoglobulins and immunocomplexes) and in serum (autoantibodies) have been investigated. The presence of HBcAg, looking finely granular, has been found in 77% of cases of CAH, similar to that found in adults. Delta Ag has been found only in 29% of cases, in the nuclei, like core Ag, but nuclei were more large and not homogeneous. The 2 antigens could be found also in the same patient, differently from adults. The absence of the two antigens has a good prognostic significance; the presence of delta antigen has on the contrary a bad prognostic meaning; the persistence of core antigen under immunodepressive treatment may correspond to a tolerance against antigen. Immunoglobulins and/or immunocomplexes, binding complement, were found in 69% of cases. The fluorescence can be found in different patterns: nuclear, due to immunocomplexes of HBV and antibodies penetrated through impaired me...Continue Reading

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