PMID: 11915784Mar 28, 2002Paper

Pre-exercise carbohydrate status and immune responses to prolonged cycling: II. Effect on plasma cytokine concentration

International Journal of Sport Nutrition and Exercise Metabolism
Nicolette C BishopMichael Gleeson

Abstract

Ingesting carbohydrate (CHO) beverages during heavy exercise is associated with smaller changes in the plasma concentrations of several cytokines. The influence of dietary CHO availability on these responses has not been determined. Therefore, the present study investigated the influence of pre-exercise CHO status on plasma interleukin (IL)-6, IL-10, and IL-1 receptor antagonist (IL-1ra) responses to prolonged cycling. Seven trained male cyclists performed a glycogen-lowering bout of cycling and were randomly assigned to follow a diet ensuring either greater than 70% (HIGH) or less than 10% (LOW) of daily energy intake from CHO for the next 3 days. On day 4 subjects performed an exercise test that comprised cycling for 1 hour at 60% Wmax immediately followed by a time-trial (TT) ensuring an energy expenditure equivalent to cycling for 30 min at 80% Wmax. Subjects repeated the protocol after 7 days, this time following the second diet. The order of the trials was counterbalanced. At 1 and 2 hours post-TT, plasma concentrations of IL-6 and IL-10 were 2-fold greater on the LOW trial than on the HIGH trial, and peak plasma concentrations of IL-1ra were 9-fold greater on the LOW trial than on the HIGH trial. These findings suggest t...Continue Reading

Citations

Feb 20, 2004·Journal of Sports Sciences·Michael GleesonBente K Pedersen
Jul 2, 2009·International Journal of Sports Physiology and Performance·Paula Robson-AnsleyLes Ansley
Aug 6, 2016·European Journal of Applied Physiology·Julien LouisJeanick Brisswalter
Jul 6, 2018·European Journal of Sport Science·Neil C WilliamsArwel Wyn Jones
Jan 25, 2019·International Journal of Sport Nutrition and Exercise Metabolism·Alaaddine El-ChabHelen Lightowler
Jun 14, 2003·Current Opinion in Clinical Nutrition and Metabolic Care·Edith M Peters
Dec 3, 2016·Journal of Applied Physiology·Jonathan M PeakeRichard J Simpson
May 17, 2017·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Stephen R HennigarStefan M Pasiakos
Jun 24, 2010·The Proceedings of the Nutrition Society·J RomeoA Marcos
Nov 18, 2006·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Christopher M SellarGordon J Bell
May 10, 2013·Sports Medicine·Carlos Rafaell Correia-OliveiraAdriano Eduardo Lima-Silva
Apr 21, 2016·European Journal of Clinical Nutrition·A El-ChabH Lightowler

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