Hepatitis Be antigen and antibody in hepatitis B surface antigen positive blood donors.

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Hepatitis Be antigen and antibody in hepatitis B surface antigen positive blood donors.

In a study of 105 asymptomatic HBsAg positive blood donors, 9 (8.6%) were found to have HBeAg, 38 (36.2%) anti-HBe, and the remaining 58 (55.2%) neither marker detectable by gel diffusion. There was no correlation between HBeAg/anti-HBe status and HBsAg sub-types, Glm allotypes, the presence of anti-Gm, red cell antibodies, or rheumatoid factor. Rheumatoid factor activity could be removed from ...

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EXPRESSION OF HEPATITIS B SURFACE ANTIGEN IN SACCHAROMYCES CEREVISIAE

The genome of HB V virus of serotype ayw cloned in pBR322 and expression shuttle vector p YES2 were used for construction of the HBsAg chimeric genes and their expression in Saccharomyces cerevisiae. Two recombinant plasmids were constructed. One of them contained the coding sequences for the major polypeptide of surface antigen. Another construct carried the major polypeptide with the pre-S2 a...

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Hepatitis B virus DNA viral load determination in hepatitis B surface antigen-negative Swiss blood donors.

BACKGROUND Nucleic acid test (NAT) hepatitis B virus (HBV) screening for all blood donations with a sensitivity limit of 25 IU/mL in the individual donation is mandatory in Switzerland since 2009. The aims of the two studies were to define the percentage of antibody to hepatitis B core antigen (anti-HBc) or anti-HBc and antibody to hepatitis B surface antigen (anti-HBs)-positive donors bearing ...

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Living-donor kidney transplant from hepatitis B surface antigen-positive donors to hepatitis B antibody-positive recipients without hepatitis B immunoglobulin prophylaxis in an endemic country.

OBJECTIVES Living-donor kidney transplant from donors who are chronically infected with hepatitis B virus can be considered as a possibility to compensate for insufficiency of organ transplants, particularly in a hepatitis B virus endemic country. In this study, the safety and efficacy were reviewed retrospectively in living-donor kidney transplant from donors who were chronically infected with...

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Hepatitis B virus DNA and e antigen in serum from blood donors in the United Kingdom positive for hepatitis B surface antigen.

Serum samples from 214 blood donors in the United Kingdom who were carriers of hepatitis B surface antigen (HBsAg) were examined for hepatitis B virus deoxyribonucleic acid (DNA) by DNA:DNA hybridisation and for hepatitis B e antigen (HBeAg) and its antibody. One fifth of the donors carried infectious virus in their circulation. The presence of hepatitis B virus DNA correlated well with that of...

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ژورنال

عنوان ژورنال: Journal of Clinical Pathology

سال: 1979

ISSN: 0021-9746

DOI: 10.1136/jcp.32.2.132