exoantigen

ec·to·an·ti·gen

(ek'tō-an'ti-jen),
Any toxin or other excitor of antibody formation, separate or separable from its source.
Synonym(s): exoantigen

exoantigen

A nonspecific term for any non-self-antigen; this term is not commonly used in the working biomedical parlance.

ec·to·an·ti·gen

(ek'tō-an'ti-jen)
Any toxin or other excitor of antibody formation, separate or separable from its source.
Synonym(s): exoantigen.

exoantigen

(ĕks″ō-ăn′tĭ-jĕn) [″ + ″]
A soluble antigen found on the surface of a microorganism, identified in the supernatant of a culture of that organism.
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References in periodicals archive ?
Because of the involvement of IgA, HSP is expected to be a sick serum illness related to aberrant expression of autoantigen or exoantigen in the mucous membranes [17].
Briefly, 100 [micro]L exoantigen (500 ng of protein), diluted in 0.06 M carbonate-bicarbonate buffer (pH 9.6) was added to each well of polystyrene microtiter plates (NUNC[TM] Brand products, Switzerland) and incubated at 37[degrees]C for 2 hours and after 18 hours at 4[degrees]C.
Firstly, exoantigen (87.5 xg final concentrations) was denatured at 100[degrees]C for 5 min.
immitis exoantigen test kit (Scott Laboratories Inc., Fiskeville, RI).
Examples of this include the cryptococcal antigen agglutination assay and the exoantigen assay for Histoplasma capsulatum.
dermatitidis colonies can be identified early using recently developed DNA probes (5) and exoantigen technology.