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Med Sci Monit. 2011 Apr;17(4):SC11-5.

Increased plasma peroxides as a marker of oxidative stress in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS).

Author information

  • 1Maes Clinics@TRIA, Bangkok, Thailand. dr.michaelmaes@hotmail.com

Abstract

BACKGROUND:

There is evidence that myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is characterized by activation of immune, inflammatory, oxidative and nitrosative stress (IO&NS) pathways. The present study was carried out in order to examine whether ME/CFS is accompanied by increased levels of plasma peroxides and serum oxidized LDL (oxLDL) antibodies, two biomarkers of oxidative stress.

MATERIAL/METHODS:

Blood was collected from 56 patients with ME/CFS and 37 normal volunteers. Severity of ME/CFS was measured using the Fibromyalgia and Chronic Fatigue Syndrome (FF) Rating Scale.

RESULTS:

Plasma peroxide concentrations were significantly higher in patients with ME/CFS than in normal controls. There was a trend towards significantly higher serum oxLDL antibodies in ME/CFS than in controls. Both biomarkers contributed significantly in discriminating between patients with ME/CFS and normal controls. Plasma peroxide and serum oxLDL antibody levels were both significantly related to one of the FF symptoms.

CONCLUSIONS:

The results show that ME/CFS is characterized by increased oxidative stress.

PMID:
21455120
[PubMed - indexed for MEDLINE]
PMCID:
PMC3539515
Free PMC Article
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