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

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.

journal_name

Med Sci Monit

authors

Maes M,Kubera M,Uytterhoeven M,Vrydags N,Bosmans E

doi

10.12659/msm.881699

subject

Has Abstract

pub_date

2011-04-01 00:00:00

pages

SC11-5

issue

4

eissn

1234-1010

issn

1643-3750

pii

881699

journal_volume

17

pub_type

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