IL-6 is not essential for exercise-induced increases in glucose uptake

Hayley M O'Neill, Rengasamy Palanivel, David C Wright, Tara MacDonald, James S Lally, Jonathan D Schertzer, Gregory R Steinberg

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13 Citations (Scopus)

Abstract

Interleukin-6 (IL-6) increases glucose uptake in resting skeletal muscle. IL-6 is released from skeletal muscle during exercise; however; it is not known whether this IL-6 response is important for exercise-induced increases in skeletal muscle glucose uptake. We report that IL-6 knockout (KO) mice, 4 mo of age, have similar body weight to wild-type (WT), and, under resting conditions, oxygen consumption, food intake, substrate utilization, glucose tolerance, and insulin sensitivity are not different. Maximal exercise capacity is also similar to WT. We investigated substrate utilization and glucose clearance in vivo during steady-state treadmill running at 70% of maximal running speed and found that WT and IL-6 KO mice had similar rates of substrate utilization, muscle glucose clearance, and phosphorylation of AMP-activated protein kinase T172. These data provide evidence that IL-6 does not play a major role in regulating substrate utilization or skeletal muscle glucose uptake during steady-state endurance exercise.

Original languageEnglish
Pages (from-to)1151-7
Number of pages7
JournalJournal of Applied Physiology
Volume114
Issue number9
DOIs
Publication statusPublished - May 2013
Externally publishedYes

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Interleukin-6
Glucose
Skeletal Muscle
Knockout Mice
Running
AMP-Activated Protein Kinases
Oxygen Consumption
Insulin Resistance
Eating
Body Weight
Phosphorylation
Muscles

Cite this

O'Neill, H. M., Palanivel, R., Wright, D. C., MacDonald, T., Lally, J. S., Schertzer, J. D., & Steinberg, G. R. (2013). IL-6 is not essential for exercise-induced increases in glucose uptake. Journal of Applied Physiology, 114(9), 1151-7. https://doi.org/10.1152/japplphysiol.00946.2012
O'Neill, Hayley M ; Palanivel, Rengasamy ; Wright, David C ; MacDonald, Tara ; Lally, James S ; Schertzer, Jonathan D ; Steinberg, Gregory R. / IL-6 is not essential for exercise-induced increases in glucose uptake. In: Journal of Applied Physiology. 2013 ; Vol. 114, No. 9. pp. 1151-7.
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abstract = "Interleukin-6 (IL-6) increases glucose uptake in resting skeletal muscle. IL-6 is released from skeletal muscle during exercise; however; it is not known whether this IL-6 response is important for exercise-induced increases in skeletal muscle glucose uptake. We report that IL-6 knockout (KO) mice, 4 mo of age, have similar body weight to wild-type (WT), and, under resting conditions, oxygen consumption, food intake, substrate utilization, glucose tolerance, and insulin sensitivity are not different. Maximal exercise capacity is also similar to WT. We investigated substrate utilization and glucose clearance in vivo during steady-state treadmill running at 70{\%} of maximal running speed and found that WT and IL-6 KO mice had similar rates of substrate utilization, muscle glucose clearance, and phosphorylation of AMP-activated protein kinase T172. These data provide evidence that IL-6 does not play a major role in regulating substrate utilization or skeletal muscle glucose uptake during steady-state endurance exercise.",
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O'Neill, HM, Palanivel, R, Wright, DC, MacDonald, T, Lally, JS, Schertzer, JD & Steinberg, GR 2013, 'IL-6 is not essential for exercise-induced increases in glucose uptake' Journal of Applied Physiology, vol. 114, no. 9, pp. 1151-7. https://doi.org/10.1152/japplphysiol.00946.2012

IL-6 is not essential for exercise-induced increases in glucose uptake. / O'Neill, Hayley M; Palanivel, Rengasamy; Wright, David C; MacDonald, Tara; Lally, James S; Schertzer, Jonathan D; Steinberg, Gregory R.

In: Journal of Applied Physiology, Vol. 114, No. 9, 05.2013, p. 1151-7.

Research output: Contribution to journalArticleResearchpeer-review

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AB - Interleukin-6 (IL-6) increases glucose uptake in resting skeletal muscle. IL-6 is released from skeletal muscle during exercise; however; it is not known whether this IL-6 response is important for exercise-induced increases in skeletal muscle glucose uptake. We report that IL-6 knockout (KO) mice, 4 mo of age, have similar body weight to wild-type (WT), and, under resting conditions, oxygen consumption, food intake, substrate utilization, glucose tolerance, and insulin sensitivity are not different. Maximal exercise capacity is also similar to WT. We investigated substrate utilization and glucose clearance in vivo during steady-state treadmill running at 70% of maximal running speed and found that WT and IL-6 KO mice had similar rates of substrate utilization, muscle glucose clearance, and phosphorylation of AMP-activated protein kinase T172. These data provide evidence that IL-6 does not play a major role in regulating substrate utilization or skeletal muscle glucose uptake during steady-state endurance exercise.

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