Serodiagnosis of hepatitis B virus infection by antibody to core antigen. 1977

G R Irwin, and R G Allen, and H G Segal, and A M Allen, and J R Putnak, and H G Cannon, and F H Top

In a military population antibody to hepatitis B core antigen (anti-HBc) was found in 39% of acute hepatitis cases negative for hepatitis B surface antigen (HBS Ag) and in 96% of HBs Ag-positive cases. Persistence of antibody to HBs Ag (anti-HBs) in convalescent-phase sera was significantly greater (P less than 0.001) in individuals with acute HBs Ag-positive hepatitis B than in patients with clinical HBs Ag-negative hepatitis B. The prevalence of anti-HBc in the absence of HBs Ag, anti-HBs, and clinical disease was 3.2% in this military population. In longitudinal studies of hepatitis B infection, the presence of anti-HBc preceded anti-HBs and improved the ability to determine the onset of sublicnical infection. Anti-HBc is a useful serologic marker for the study of the epidemiology of hepatitis B and improves the efficiency of detection of hepatitis B virus infection.

UI MeSH Term Description Entries
D008297 Male Males
D008887 Military Medicine The practice of medicine as applied to special circumstances associated with military operations. Medicine, Military
D011863 Radioimmunoassay Classic quantitative assay for detection of antigen-antibody reactions using a radioactively labeled substance (radioligand) either directly or indirectly to measure the binding of the unlabeled substance to a specific antibody or other receptor system. Non-immunogenic substances (e.g., haptens) can be measured if coupled to larger carrier proteins (e.g., bovine gamma-globulin or human serum albumin) capable of inducing antibody formation. Radioimmunoassays
D002679 Pan troglodytes The common chimpanzee, a species of the genus Pan, family HOMINIDAE. It lives in Africa, primarily in the tropical rainforests. There are a number of recognized subspecies. Chimpanzee,Chimpanzee troglodytes,Chimpanzee troglodyte,Chimpanzees,Pan troglodyte,troglodyte, Pan,troglodytes, Chimpanzee
D003168 Complement Fixation Tests Serologic tests based on inactivation of complement by the antigen-antibody complex (stage 1). Binding of free complement can be visualized by addition of a second antigen-antibody system such as red cells and appropriate red cell antibody (hemolysin) requiring complement for its completion (stage 2). Failure of the red cells to lyse indicates that a specific antigen-antibody reaction has taken place in stage 1. If red cells lyse, free complement is present indicating no antigen-antibody reaction occurred in stage 1. Complement Absorption Test, Conglutinating,Conglutination Reaction,Conglutinating Complement Absorption Test,Complement Fixation Test,Conglutination Reactions,Fixation Test, Complement,Fixation Tests, Complement,Reaction, Conglutination,Reactions, Conglutination,Test, Complement Fixation,Tests, Complement Fixation
D006509 Hepatitis B INFLAMMATION of the LIVER in humans caused by a member of the ORTHOHEPADNAVIRUS genus, HEPATITIS B VIRUS. It is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact. Hepatitis B Virus Infection
D006512 Hepatitis B Core Antigens The hepatitis B antigen within the core of the Dane particle, the infectious hepatitis virion. HBcAg,Hepatitis B Core Antigen
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000914 Antibodies, Viral Immunoglobulins produced in response to VIRAL ANTIGENS. Viral Antibodies

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