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2018 ; 8
(1
): 10056
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Insights into myalgic encephalomyelitis/chronic fatigue syndrome phenotypes
through comprehensive metabolomics
#MMPMID29968805
Nagy-Szakal D
; Barupal DK
; Lee B
; Che X
; Williams BL
; Kahn EJR
; Ukaigwe JE
; Bateman L
; Klimas NG
; Komaroff AL
; Levine S
; Montoya JG
; Peterson DL
; Levin B
; Hornig M
; Fiehn O
; Lipkin WI
Sci Rep
2018[Jul]; 8
(1
): 10056
PMID29968805
show ga
The pathogenesis of ME/CFS, a disease characterized by fatigue, cognitive
dysfunction, sleep disturbances, orthostatic intolerance, fever, irritable bowel
syndrome (IBS), and lymphadenopathy, is poorly understood. We report biomarker
discovery and topological analysis of plasma metabolomic, fecal bacterial
metagenomic, and clinical data from 50 ME/CFS patients and 50 healthy controls.
We confirm reports of altered plasma levels of choline, carnitine and complex
lipid metabolites and demonstrate that patients with ME/CFS and IBS have
increased plasma levels of ceramide. Integration of fecal metagenomic and plasma
metabolomic data resulted in a stronger predictive model of ME/CFS
(cross-validated AUC?=?0.836) than either metagenomic (cross-validated
AUC?=?0.745) or metabolomic (cross-validated AUC?=?0.820) analysis alone. Our
findings may provide insights into the pathogenesis of ME/CFS and its subtypes
and suggest pathways for the development of diagnostic and therapeutic
strategies.