Lymphocyte subpopulations of blood and alveolar lavage in blastomycosis.
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| Abstract |
Patients with blastomycosis were found to have differing lymphocyte populations depending on the extent of disease manifestations and whether or not therapy had been started. Patients with recovering pulmonary blastomycosis who had been receiving antifungal treatment for at least four weeks had lymphocyte subpopulations no different from control donors. Patients with treated extrapulmonary blastomycosis had similar T helper (TH) to T suppressor (TS) ratios compared to recovering pulmonary patients and control subjects; this ratio gives a false impression because extrapulmonary blastomycosis patients had a reduced absolute number of lymphocytes with either marker. In bronchoalveolar lavage fluid, pulmonary blastomycosis patients who were clinically improved while receiving antifungal therapy had fewer TH cells and a greater number of lymphocytes with the TS marker than did control subjects. Patients with pulmonary blastomycosis prior to therapy had a smaller TH/S ratio than the other groups in peripheral blood primarily due to a reduction in the circulating TH fraction in both absolute numbers of cells and in the percentage of total T lymphocytes. Pulmonary blastomycosis patients re-evaluated after at least four weeks of antifungal therapy had TH/S ratios that were similar to normal persons. This increase in TH lymphocytes corresponded to clinical improvement and in a temporal correlation to that described for the development of specific immunity in this illness.
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| Authors | R F Jacobs, D J Marmer, R A Balk, R W Bradsher |
| Journal | Chest (Chest) Vol. 88 Issue 4 Pg. 579-85 (Oct 1985) ISSN: 0012-3692 [Print] United States |
| PMID | 2931252 (Publication Type: Journal Article) |
| Chemical References |
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