PubMed · 5578329
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D W Huestis, T L Chambers. 1971-06-24. Routine tests for HAA.. https://doi.org/10.1056/nejm197106242842518
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Chronic infection by hepatitis B and C viruses is frequently associated to the development of primary liver cancer. Liver cirrhosis, induced by these viral infection, plays an important role in the liver carcinogenesis. In addition, HBV has a direct role in liver cell transformation by a transactivating effect of some viral proteins as well as insertional mutagenesis. The role of hepatitis C virus is not known. The strong association, even in France, of primary liver cancer to these viral infections underline the importance of their prevention by vaccination.
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Receptors for polymerized human serum albumin ( pHSA ) were studied by solid-phase radioimmunoassay on different hepatitis B surface antigen (HBsAg) particles subpopulations prepared both from hepatitis B e antigen (HBeAg) and from anti-HBe-positive sera. HBsAg particles in HBeAg-positive serum showed higher expression of the receptor compared with HBsAg particles from anti-HBe-positive serum. Analysis of different morphological forms of virus particles was performed after separation by density-gradient ultracentrifugation. Maximum receptor expression was detected in HBV particles containing fractions while the 22-nm HBsAg particles had significantly lower receptor activity. These observations support the hypothesis of a pathogenetic role of the pHSA receptor in mediating virus access to hepatocytes. Indeed, the higher pHSA binding activity on HBV particles could allow selective attachment of the infectious virion to liver cells that bear similar albumin receptors on their surface.