Comparison and diagnostic value of the coccidioidin heat-stable (HS and tube precipitin) antigens in immunodiffusion

L. Kaufman, P. G. Standard, M. Huppert, Demosthenes Pappagianis

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Coccidioides immitis produces two unrelated heat-stable antigens which are diagnostically useful in immunodiffusion tests. One, the tube precipitin antigen, is valuable for specifically detecting antibody and diagnosing early primary cases of coccidioidomycosis. The other heat-stable antigen, designated HS, is the most useful coccidioidin antigen for specifically immunoidentifying C. immitis cultures. Both of the antigens were compared and evaluated for their usefulness in exoantigen and serologic immunodiffusion tests. Our studies indicated that the detection of tube precipitin antigen is of limited value for immunoidentifying C. immitis isolates because the antigen is common to certain gymnoascaceous saprophytes, such as Arachniotus, Auxarthron, and Malbranchea species, that form alternate arthroconidia. Antibodies to HS antigens are infrequently found in human sera from patients with coccidioidomycosis and are thus of little serodiagnostic value.

Original languageEnglish (US)
Pages (from-to)515-518
Number of pages4
JournalJournal of Clinical Microbiology
Volume22
Issue number4
StatePublished - 1985
Externally publishedYes

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Coccidioidin
Precipitins
Immunodiffusion
Hot Temperature
Antigens
Coccidioides
Coccidioidomycosis
Antibodies
Serologic Tests

ASJC Scopus subject areas

  • Microbiology
  • Microbiology (medical)

Cite this

Comparison and diagnostic value of the coccidioidin heat-stable (HS and tube precipitin) antigens in immunodiffusion. / Kaufman, L.; Standard, P. G.; Huppert, M.; Pappagianis, Demosthenes.

In: Journal of Clinical Microbiology, Vol. 22, No. 4, 1985, p. 515-518.

Research output: Contribution to journalArticle

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