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antigen
(redirected from hepatitis B core antigen)

    Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson 0.40 sec.
antigen: see immunity immunity, ability of an organism to resist disease by identifying and destroying foreign substances or organisms. Although all animals have some immune capabilities, little is known about nonmammalian immunity.
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antigen

Foreign substance in the body that induces an immune response. The antigen stimulates lymphocytes to produce antibodies or to attack the antigen directly (see antibody;immunity). Virtually any large foreign molecule can act as an antigen, including those of bacteria, viruses, parasites, foods, venoms, blood components, and cells and tissues of various species, including other humans. Sites on the antigen's surface fit and bind to receptor molecules on the lymphocytes' surface, stimulating the latter to multiply and initiate an immune response that neutralizes or destroys the antigen.
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For comparison purposes, we obtained the monthly number of positive tests for immunoglobulin M (IgM) antibody against hepatitis B core antigen (anti-HBc) and the corresponding total number of tests performed in the study period.
Respiratory infections during SARS outbreak, Hong Kong, 2003 by Lim, Wilina W.L. / Emerging Infectious Diseases
based immunotherapy company, today announced a joint collaboration in which the companies will continue the development of a therapeutic hepatitis B vaccine, containing Corixa's RC-529(TM) adjuvant and Lorantis' CV-1831, a hepatitis B core antigen that was previously owned by Apovia, Inc.
Corixa and Lorantis Announce Joint Collaboration to Develop ... by Business Wire
Except for 1 patient whose serum tested positive for antibodies to hepatitis B core antigen, no positive serologic results for other hepatitis viruses (including hepatitis A) were reported in the patients from Victoria.
Hepatitis E infections, Victoria, Australia by Kelly, Heath / Emerging Infectious Diseases
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