Plasma IL-6, its soluble receptors and F2-isoprostanes at rest and during exercise in chronic fatigue syndrome

M Robinson, S R Gray, M S Watson, G Kennedy, A Hill, J J F Belch, M A Nimmo

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The aim of the current study was to investigate the levels of interleukin-6 (IL-6), its soluble receptors (sIL-6R and sgp130) and F2-isoprostanes, at rest and during exercise, in patients with chronic fatigue syndrome (CFS). Six male CFS patients and six healthy controls performed an incremental exercise test to exhaustion and a submaximal exercise bout to exhaustion. Blood samples taken in the submaximal test at rest, immediately post-exercise and 24 h post-exercise were analyzed for IL-6, sIL-6R, sgp130 and F2-isoprostanes. A further 33 CFS and 33 healthy control participants gave a resting blood sample for IL-6 and sIL-6R measurement. During the incremental exercise test only power output at the lactate threshold was lower (P<0.05) in the CFS group. F2-isoprostanes were higher (P<0.05) in CFS patients at rest and this difference persisted immediately and 24 h post-exercise. The exercise study found no differences in IL-6, sIL-6R or sgp130 at any time point between groups. In the larger resting group, there were no differences in IL-6 and sIL-6R between CFS and control groups. This investigation has demonstrated that patients with CFS do not have altered plasma levels of IL-6, sIL-6R or sgp130 either at rest or following exercise. F2-isoprostanes, however, were consistently higher in CFS patients.
Original languageEnglish
Pages (from-to)282-290
Number of pages9
JournalScandinavian Journal of Medicine & Science in Sports
Volume20
Issue number2
Early online date14 Apr 2009
DOIs
Publication statusPublished - Apr 2010

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Chronic Fatigue Syndrome
Interleukin-6
Cytokine Receptor gp130
F2-Isoprostanes
Exercise
Exercise Test
prostaglandin F2alpha receptor
Lactic Acid
Healthy Volunteers
Control Groups

Keywords

  • oxidative stress
  • cytokines

Cite this

Plasma IL-6, its soluble receptors and F2-isoprostanes at rest and during exercise in chronic fatigue syndrome. / Robinson, M; Gray, S R; Watson, M S; Kennedy, G; Hill, A; Belch, J J F; Nimmo, M A.

In: Scandinavian Journal of Medicine & Science in Sports, Vol. 20, No. 2, 04.2010, p. 282-290.

Research output: Contribution to journalArticle

Robinson, M ; Gray, S R ; Watson, M S ; Kennedy, G ; Hill, A ; Belch, J J F ; Nimmo, M A. / Plasma IL-6, its soluble receptors and F2-isoprostanes at rest and during exercise in chronic fatigue syndrome. In: Scandinavian Journal of Medicine & Science in Sports. 2010 ; Vol. 20, No. 2. pp. 282-290.
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