{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T15:06:19Z","timestamp":1779894379257,"version":"3.53.1"},"reference-count":27,"publisher":"American Society for Microbiology","issue":"6","license":[{"start":{"date-parts":[[2005,6,1]],"date-time":"2005-06-01T00:00:00Z","timestamp":1117584000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Clin Vaccine Immunol"],"published-print":{"date-parts":[[2005,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Assessment of the cellular immune response in coccidioidomycosis has epidemiologic and prognostic importance. Measurement of delayed-type hypersensitivity to skin testing has been used in the past to determine cellular immunity in coccidioidomycosis. However, no skin tests are currently available in the United States. Assay of gamma interferon (IFN-\u03b3) release in whole blood in response to incubation with antigen has been used to assess cellular immunity in tuberculosis. We used a similar assay using the coccidioidal antigen preparation T27K to measure the in vitro cellular immune responses among a cohort of 69 subjects with active coccidioidomycosis. IFN-\u03b3 release was bimodal, with concentrations above and below 5 IU\/ml. Using multivariate logistic regression, underlying disease and disseminated or chronic pulmonary coccidioidomycosis was significantly associated with the release of IFN-\u03b3 at a concentration of &lt;5 IU\/ml (\n            <jats:italic>P<\/jats:italic>\n            = 0.02 or 0.05, respectively). In addition, the release IFN-\u03b3 concentration was &lt;5 IU\/ml in all subjects with a clinical severity score of \u22656 (\n            <jats:italic>P<\/jats:italic>\n            = 0.02). The release IFN-\u03b3 concentration correlated with expression of CD69 on T lymphocytes in an in vitro assay using T27K as the antigen (Spearman's rho = 0.59;\n            <jats:italic>P<\/jats:italic>\n            &lt; 0.01). These results suggest that the IFN-\u03b3 release assay with T27K as the antigen may be a useful clinical test for assessing cellular immunity in patients with active coccidioidomycosis.\n          <\/jats:p>","DOI":"10.1128\/cdli.12.6.700-704.2005","type":"journal-article","created":{"date-parts":[[2005,6,6]],"date-time":"2005-06-06T17:28:10Z","timestamp":1118078890000},"page":"700-704","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":8,"title":["Preliminary Evaluation of Whole-Blood Gamma Interferon Release for Clinical Assessment of Cellular Immunity in Patients with Active Coccidioidomycosis"],"prefix":"10.1128","volume":"12","author":[{"given":"Neil M.","family":"Ampel","sequence":"first","affiliation":[{"name":"Medicine and Primary Care Service"},{"name":"Research Service, Southern Arizona Veterans Affairs Health Care System"},{"name":"Department of Medicine"},{"name":"Department of Microbiology and Immunology, University of Arizona, Tucson, Arizona"},{"name":"Department of Microbiology and Immunology, University of California at Davis, Davis, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel K.","family":"Nelson","sequence":"additional","affiliation":[{"name":"Medicine and Primary Care Service"},{"name":"Research Service, Southern Arizona Veterans Affairs Health Care System"},{"name":"Department of Medicine"},{"name":"Department of Microbiology and Immunology, University of Arizona, Tucson, Arizona"},{"name":"Department of Microbiology and Immunology, University of California at Davis, Davis, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suzette","family":"Chavez","sequence":"additional","affiliation":[{"name":"Medicine and Primary Care Service"},{"name":"Research Service, Southern Arizona Veterans Affairs Health Care System"},{"name":"Department of Medicine"},{"name":"Department of Microbiology and Immunology, University of Arizona, Tucson, Arizona"},{"name":"Department of Microbiology and Immunology, University of California at Davis, Davis, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathryn A.","family":"Naus","sequence":"additional","affiliation":[{"name":"Medicine and Primary Care Service"},{"name":"Research Service, Southern Arizona Veterans Affairs Health Care System"},{"name":"Department of Medicine"},{"name":"Department of Microbiology and Immunology, University of Arizona, Tucson, Arizona"},{"name":"Department of Microbiology and Immunology, University of California at Davis, Davis, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amanda B.","family":"Herman","sequence":"additional","affiliation":[{"name":"Medicine and Primary Care Service"},{"name":"Research Service, Southern Arizona Veterans Affairs Health Care System"},{"name":"Department of Medicine"},{"name":"Department of Microbiology and Immunology, University of Arizona, Tucson, Arizona"},{"name":"Department of Microbiology and Immunology, University of California at Davis, Davis, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lijin","family":"Li","sequence":"additional","affiliation":[{"name":"Medicine and Primary Care Service"},{"name":"Research Service, Southern Arizona Veterans Affairs Health Care System"},{"name":"Department of Medicine"},{"name":"Department of Microbiology and Immunology, University of Arizona, Tucson, Arizona"},{"name":"Department of Microbiology and Immunology, University of California at Davis, Davis, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keira A.","family":"Simmons","sequence":"additional","affiliation":[{"name":"Medicine and Primary Care Service"},{"name":"Research Service, Southern Arizona Veterans Affairs Health Care System"},{"name":"Department of Medicine"},{"name":"Department of Microbiology and Immunology, University of Arizona, Tucson, Arizona"},{"name":"Department of Microbiology and Immunology, University of California at Davis, Davis, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Demosthenes","family":"Pappagianis","sequence":"additional","affiliation":[{"name":"Medicine and Primary Care Service"},{"name":"Research Service, Southern Arizona Veterans Affairs Health Care System"},{"name":"Department of Medicine"},{"name":"Department of Microbiology and Immunology, University of Arizona, Tucson, Arizona"},{"name":"Department of Microbiology and Immunology, University of California at Davis, Davis, California"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"crossref","first-page":"247","DOI":"10.1023\/B:MYCO.0000003580.93839.71","volume":"156","year":"2003","unstructured":"Ampel, N. 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