antigen


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an·ti·gen

 (ăn′tĭ-jən) also an·ti·gene (-jēn′)
n.
A molecule that is capable of binding to an antibody or to an antigen receptor on a T cell, especially one that induces an immune response. An antigen is usually a foreign substance, such as a toxin or a component of a virus, bacterium, or parasite.

an′ti·gen′ic (-jĕn′ĭk) adj.
an′ti·gen′i·cal·ly adv.
an′ti·ge·nic′i·ty (-jə-nĭs′ĭ-tē) n.

antigen

(ˈæntɪdʒən; -ˌdʒɛn) or

antigene

n
(Biochemistry) a substance that stimulates the production of antibodies
[C20: from anti(body) + -gen]
ˌantiˈgenic adj
ˌantiˈgenically adv

an•ti•gen

(ˈæn tɪ dʒən, -ˌdʒɛn)

n.
1. any substance that can stimulate the production of antibodies and combine specifically with them.
2. any commercial substance that, when injected or absorbed into animal tissues, stimulates the production of antibodies.
3. antigens of a particular type collectively.
[1905–10; anti (body) + -gen]
an`ti•gen′ic, adj.
an`ti•gen′i•cal•ly, adv.
an`ti•ge•nic′i•ty (-dʒəˈnɪs ɪ ti) n.

an·ti·gen

(ăn′tĭ-jən)
A substance that stimulates the production of an antibody when introduced into the body. Antigens include toxins, bacteria, viruses, and other foreign substances. See Note at blood type.

antigen

A molecule recognized as foreign by the body’s immune system, causing the release of antibodies.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.antigen - any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
immunizing agent, immunogen - any substance or organism that provokes an immune response (produces immunity) when introduced into the body
immunology - the branch of medical science that studies the body's immune system
agglutinogen - any substance that acts as an antigen to cause agglutinin production
fetoprotein, foetoprotein - any of several antigens that occur naturally in the fetus and sometimes in adults with cancer
anatoxin, toxoid - a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin; "diphtheria toxoid"
antigenic determinant, epitope, determinant - the site on the surface of an antigen molecule to which an antibody attaches itself
Rh, Rh factor, rhesus factor - a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia
Translations
antigen
antigeeni
antigén
antígeno
antigen
antigen

antigen

[ˈæntɪdʒən] Nantígeno m

antigen

[ˈæntɪdʒən] nantigène manti-hero antihero [ˈæntihɪərəʊ] nantihéros m

antigen

nAntigen nt

antigen

[ˈæntɪdʒən] nantigene m

an·ti·gen

n. antígeno, sustancia tóxica que estimula la formación de anticuerpos;
carcinoembriogenic ______ carcinoembriogénico.

antigen

n antígeno; carcinoembryonic — antígeno carcinoembrionario; prostate-specific — (PSA) antígeno prostático específico (APE)
References in periodicals archive ?
Due to the fact that paratope serves as the bridge and sensor of antibody binding that recognizing antigen, thus, it undertakes significant role when identifying the antigen.
However, there are some other than in the ABO blood group system which are called minor blood groups and these are represented in more than 600 known antigens besides A, B and Rh.
antigens: - cchfv gn glycoprotein antigen - 100g - cchfv nucleoprotein (np) antigen - 100g - denv envelope (e) protein antigen, serotype 1 specific, insect cell expressed - 100g - denv envelope (e) protein antigen, serotype 2 specific, insect cell expressed - 100g - denv envelope (e) protein antigen, serotype 3 specific, insect cell expressed - 100g - denv envelope (e) protein antigen, serotype 4 specific, insect cell expressed - 100g - denv envelope (e) protein antigen, serotype 2 specific, mammalian cell expressed - 100g - denv envelope (e) protein antigen, serotype 4 specific, mammalian cell expressed - 100g - denv virus-like particles (vlps), serotype 1 - 100g - denv virus-like particl
Binding Site's Immunological Group announced the addition of five new recombinant Epstein-Barr Virus (EBV) antigens to its broad offering of products for invitro diagnostic (IVD) manufacturing and research applications.
No cross reactivity of local antigen with antisera against Mycoplasma gallisepticum, Mycoplasma synoviae and negative control serum was observed.
for co-developing cancer immunotherapies based on the MUC1 tumor-associated antigen. We intend to pursue additional collaborations with leading research institutions and others with their novel cancer antigens or technologies suitable for use with our MVA-VLP platform.
Antibodies to the Duffy antigens are commonly found in a patient's plasma and are a cause of transfusion reactions if carefully matched antigen negative blood is not given.
Criteria: The positive result: (1) The negative control hole spot points were 0–5, and (A antigen or B antigen spot points) – (the negative control hole spot points) ≥6; (2) while the negative control hole spots ≥6, and (A antigen or antigen B spot points) ≥2 times (the negative control hole spots); the negative result does not meet the positive criteria, and the control hole of aseptic phytohemagglutinin is normal.
The Eg AgB8/1 antigen showed positive reactivity with 10/15 necropsy positive animals with [OD.sub.492] ranging between 0.22-1.18 above the cut-off value 0.22.
The number of epitopes defined for each antigen, using human alloantibodies, varied from 4 to 23 (Table 3).
A combination of the Helicobacter pylori stool antigen test and urea breath test is useful for clinical evaluation of eradication therapy: a multicenter study.
Established in 2004, Shirley, New York, the company has a long history of services in the antigen sector for life science researches.