Effects of heavy endurance physical exercise on inflammatory markers in non-athletes

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Andersson, Jonas,1977-Umeå universitet,Medicin (författare)

Effects of heavy endurance physical exercise on inflammatory markers in non-athletes

Artikel/kapitelEngelska2010

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Elsevier BV,2010
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LIBRIS-ID:oai:DiVA.org:umu-32638
https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-32638URI
https://doi.org/10.1016/j.atherosclerosis.2009.10.025DOI

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Språk:engelska
Sammanfattning på:engelska

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OBJECTIVES: Physical activity has beneficial effects on cardiovascular disease but the mechanisms are still somewhat unclear. One possible pathway may be through the anti-inflammatory effects attributed to regular physical activity. Our primary aim was to study the effects of endurance physical exercise on C-reactive protein (CRP), Interleukin-6 (IL-6), Tumor Necrosis Factor-alpha (TNFalpha) during the acute and recovery phases. Secondarily, we studied the impact of diet on these inflammatory markers.METHODS: Twenty men, aged 18-55 years, participated in a 14 days cross-country skiing tour. They traveled 12-30km per day corresponding to about 10h of heavy physical activity. The participants were randomized to a diet with either 30 or 40% of energy derived from fat. Inflammatory variables were analysed at week 0, after 1 and 2 weeks and during the recovery phase at week 6 and 8.RESULTS: CRP and TNFalpha increased significantly during the two weeks of exercise (1.4-5.0mg/l, p=0.00 and 6.8-8.4pg/ml, p=0.00). CRP levels were significantly lower during recovery (median 0.7mg/l) compared to baseline (median 1.4mg/l) and did not correlate to metabolic variables. There were no significant changes in IL-6 levels during the study period. For dietary groups significant CRP changes were observed only in the high fat group during recovery.CONCLUSIONS: CRP and TNFalpha increased significantly but reacted differently during heavy physical activity while there seemed to be no significant changes in IL-6. No significant differences regarding inflammatory variables were found between the dietary groups.

Ämnesord och genrebeteckningar

Exercise
C-reactive protein
Interleukin-6
Tumor necrosis factor-alpha
Inflammation
MEDICINE
MEDICIN
medicin
Medicine

Biuppslag (personer, institutioner, konferenser, titlar ...)

Jansson, Jan-HåkanUmeå universitet,Medicin (författare)
Hellsten, Gideon (författare)
Nilsson, Torbjörn K (författare)
Hallmans, Göran,1947-Umeå universitet,Näringsforskning(Swepub:umu)goha0001 (författare)
Boman, KurtUmeå universitet,Medicin(Swepub:umu)kubo0001 (författare)
Umeå universitetMedicin (creator_code:org_t)

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Ingår i:Atherosclerosis: Elsevier BV209:2, s. 601-6050021-91501879-1484

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Av författaren/redakt...: Andersson, Jonas ...; Jansson, Jan-Håk ...; Hellsten, Gideon; Nilsson, Torbjör ...; Hallmans, Göran, ...; Boman, Kurt

Artiklar i publikationen: Atherosclerosis

Av lärosätet: Umeå universitet

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