reagin


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Related to reagin: reign, cardiolipin, VDRL test

re·a·gin

 (rē-ā′jĭn)
n.
1. An antibody found in the blood of individuals having a genetic predisposition to allergies.
2. A substance present in the blood of individuals having a positive serological test for syphilis.


re′a·gin′ic (rē′ə-jĭn′ĭk) adj.
re′a·gin′i·cal·ly adv.

reagin

(ˈrɪədʒɪn)
n
(Biochemistry) immunol a type of antibody that is formed against an allergen and is attached to the cells of a tissue. The antigen–antibody reaction that occurs on subsequent contact with the allergen causes tissue damage, leading to the release of histamine and other substances responsible for an allergic reaction
[C20: from German reagieren to react + -in]

re•a•gin

(riˈeɪ dʒɪn, -gɪn)

n.
1. an antibody formed in response to syphilis in various blood tests for the disease.
2. an antibody found in certain human allergies, as hay fever and asthma.
[1910–15; < German Reagin=reag(ieren) to react + -in -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.reagin - an immunoglobulin E that is formed as an antibody against allergens (such as pollen); attaches to cell membranes causing the release of histamine and other substances responsible for the local inflammation characteristic of an allergy
IgE, immunoglobulin E - one of the five major classes of immunoglobulins; present primarily in the skin and mucous membranes
Translations

re·a·gin

n. reagina, anticuerpo usado en el tratamiento de alergias que estimula la producción de histamina.
References in periodicals archive ?
The baby was born after an uneventful pregnancy, during which his 37-year-old G4P4 HIV-positive mother took antiretroviral medication, smoked six cigarettes per day and received adequate dosing of penicillin for a positive rapid plasma reagin (RPR) result.
Serologic testing was negative for Toxocara canis/cati, Strongyloides stercoralis, Ehrlichia chaffeenis, Rickettsia rickettsiae, Epstein-Barr virus, HIV, and Toxoplasma gondii; a rapid plasma reagin was also negative.
Demographic profile, sexual behaviour pattern and clinical features, Rapid plasma reagin test and HIV antibody test results, Treatment given and followup were analysed from the individual STI/RTI patient wise records used in STI clinic.
We did a rapid plasma reagin (RPR) test and a Treponema pallidum particle agglutination test; we also tested for human immunodeficiency virus (HIV).
ELISA for HIV 1 and 2 and rapid plasma reagin (RPR) test were done in all cases.
pallidum and reagin antibodies as well as RPR titer (the level of antibody) determination for effective treatment monitoring.
Anti-neutrophil cytoplasm antibody, rheumatoid factor, anti-cyclic citrullinated peptide, anticardiolipin immunoglobulin M/G, and venereal disease research-rapid plasma reagin tests were negative while complement levels were normal.
2,3) Traditionally, the immunologic syphilis screening algorithm begins with a nontreponemal immunoassay (eg, rapid plasma reagin [RPR]), and if this result is positive, then the specimen is reflexed to an immunoassay for Treponema specific (treponemal) antibodies, which can serve as confirmation for the positive screen (Figure, A).
Syphilis by rapid plasma reagin (RPR) and malaria by Biotech ICT method were also detected in all potential donors.
ASI] rapid plasma reagin [RPR] card test for syphilis) testing at the state public health laboratory.
A rapid plasma reagin (RPR) test was negative, but became positive when diluted at 1:8 even to a dilution of greater than 1:2048.