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Lymphocyte Subsets, Apoptosis, and Cytokines in Patients with Chronic Fatigue Syndrome

Caroline M. A. Swanink, Jan H. M. M. Vercoulen, Joep M. D. Galama, Marijke T. L. Roos, Linde Meyaard, Johanna van der Ven-Jongekrijg, Ron de Nijs, Gijs Bleijenberg, Jan F. M. Fennis, Frank Miedema and Jos W. M. van der Meer
The Journal of Infectious Diseases
Vol. 173, No. 2 (Feb., 1996), pp. 460-463
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/30126146
Page Count: 4
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Lymphocyte Subsets, Apoptosis, and Cytokines in Patients with Chronic Fatigue Syndrome
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Abstract

Whether immunologic abnormalities correlate with fatigue severity and functional impairment in chronic fatigue syndrome (CFS) was investigated. Blood mononuclear cells were immunophenotyped and circulating and ex vivo-produced cytokines were measured in 76 CFS patients and 69 healthy matched controls. Expression of CD lib on CDS cells was significantly decreased in CFS patients. However, the previously reported increased expression of CD38 and HLA-DR was not confirmed. There was no obvious difference in apoptosis in leukocyte cultures, circulating cytokines, and ex vivo production of interleukin (IL)-lα and IL-1 receptor antagonist. Endotoxin-stimulated ex vivo production of tumor necrosis factor-α and IL-1β was significantly lower in CFS. The immunologic test results did not correlate with fatigue severity or psychologic well-being as measured by Checklist Individual Strength, Beck Depression Inventory, and Sickness Impact Profile. Thus, these immunologic tests cannot be used as diagnostic tools in individual CFS patients.

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