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Gene expression in ...
Gene expression in peripheral blood leukocytes in monozygotic twins discordant for chronic fatigue : no evidence of a biomarker
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- Byrnes, Andrea (författare)
- Dept Genetics and dept Biostatistics, University of North Carolina
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- Jacks, Andreas (författare)
- Dept Medical Epidemiology and Biostatistics, Karolinska Institutet
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- Dahlman-Wright, Karin (författare)
- Karolinska Institutet
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- Evengård, Birgitta, 1952- (författare)
- Umeå universitet,Infektionssjukdomar
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- Wright, Fred A (författare)
- Dept Biostatistics, University of North Carolina
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- Pedersen, Nancy L (författare)
- Dept Medical Epidemiology and Biostatistis, Karolinska Institutet
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- Sullivan, Patrick F (författare)
- Dept Genetics, Univ of North Carolina, Dept Medical Epid and Biostat, Karol Institutet
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(creator_code:org_t)
- 2009-06-05
- 2009
- Engelska.
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Ingår i: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 4:6, s. e5805-
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Abstract
Ämnesord
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- BACKGROUND: Chronic fatiguing illness remains a poorly understood syndrome of unknown pathogenesis. We attempted to identify biomarkers for chronic fatiguing illness using microarrays to query the transcriptome in peripheral blood leukocytes. METHODS: Cases were 44 individuals who were clinically evaluated and found to meet standard international criteria for chronic fatigue syndrome or idiopathic chronic fatigue, and controls were their monozygotic co-twins who were clinically evaluated and never had even one month of impairing fatigue. Biological sampling conditions were standardized and RNA stabilizing media were used. These methodological features provide rigorous control for bias resulting from case-control mismatched ancestry and experimental error. Individual gene expression profiles were assessed using Affymetrix Human Genome U133 Plus 2.0 arrays. FINDINGS: There were no significant differences in gene expression for any transcript. CONCLUSIONS: Contrary to our expectations, we were unable to identify a biomarker for chronic fatiguing illness in the transcriptome of peripheral blood leukocytes suggesting that positive findings in prior studies may have resulted from experimental bias.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Medicinsk bioteknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Medical Biotechnology (hsv//eng)
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