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Cytokine expression profiles of immune imbalance in post-mononucleosis chronic fatigue.


ABSTRACT: As Chronic Fatigue Syndrome (CFS) has been known to follow Epstein-Bar virus (EBV) and other systemic infections; our objective was to describe differences in immune activation in post-infective CFS (PI-CFS) patients and recovered controls. We studied 301 adolescents prospectively over 24 months following the diagnosis of monospot-positive infectious mononucleosis (IM). We found an incidence of CFS at 6, 12 and 24 months of 13%, 7% and 4% respectively.Using chemiluminescent imaging we measured the concentrations of IL-1a, 1b, 2, 4, 5, 6, 8, 10, 12 (p70), 13, 15, 17 and 23, IFN-?, TNF-? and TNF-? in duplicate plasma samples available in bio-bank from 9 PI-CFS subjects and 12 recovered controls at 24 months post-infection.Standard comparative analysis indicated significant differences in IL-8 and 23 across subject groups. In constructing a linear classification model IL-6, 8 and 23 were selected by two different statistical approaches as discriminating features, with IL-1a, IL-2 and IFN-? also selected in one model or the other. This supported an assignment accuracy of better than 80% at a confidence level of 0.95 into PI-CFS versus recovered controls.These results suggest that co-expression patterns in as few as 5 cytokines associated with Th17 function may hold promise as a tool for the diagnosis of post-infectious CFS.

SUBMITTER: Broderick G 

PROVIDER: S-EPMC3480896 | biostudies-other | 2012 Sep

REPOSITORIES: biostudies-other

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Cytokine expression profiles of immune imbalance in post-mononucleosis chronic fatigue.

Broderick Gordon G   Katz Ben Z BZ   Fernandes Henrique H   Fletcher Mary Ann MA   Klimas Nancy N   Smith Frederick A FA   O'Gorman Maurice R G MR   Vernon Suzanne D SD   Taylor Renee R  

Journal of translational medicine 20120913


<h4>Background</h4>As Chronic Fatigue Syndrome (CFS) has been known to follow Epstein-Bar virus (EBV) and other systemic infections; our objective was to describe differences in immune activation in post-infective CFS (PI-CFS) patients and recovered controls. We studied 301 adolescents prospectively over 24 months following the diagnosis of monospot-positive infectious mononucleosis (IM). We found an incidence of CFS at 6, 12 and 24 months of 13%, 7% and 4% respectively.<h4>Methods</h4>Using che  ...[more]

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