Dec 9, 1977

Hepatitis B "e" antigen: an apparent association with lactate dehydrogenase isozyme-5

Science
G N VyasL O Magnius

Abstract

Serums containing the "e" antigen of hepatitis B virus were subjected to electrophoresis in polyacrylamide gel. An extra band appeared in the lactate dehydrogenase isozyme pattern, but this band was undetectable in serums containing antibodies to the e antigenic determinant. Prior separation of the lactate dehydrogenase isozyme-5 fraction by chromatography of serum on minicolumns of diethylaminoethyl-Sephadex-A50 improved electrophoretic identification of the extra band. Neutralization with antibodies to the e antigen as well as by antibodies to the homologous d or y component of the hepatitis B surface antigen removed the extra band; antibodies to the lactate dehydrogenase isozyme-5 removed both the normal and the extra enzymatic band of isozyme-5. This feature of the e antigen provides an assay system for laboratory diagnosis of potential clinical usefulness and suggests its possible role in pathogenesis of hepatocellular injury.

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Mentioned in this Paper

Pathogenic Aspects
Hepatitis B Antigens
Pathogenesis
Polyacrylamide Gels
Hepatitis B Antibodies
Antigenic Specificity
Chromatography
Liver Carcinoma
Hepatitis B Virus
Liver Damage

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