Leptin, adiponectin, and ghrelin responses to endurance exercise in different ambient conditions

Terence L. Laursen, Roksana B. Zak, Robert J. Shute, Matthew W.S. Heesch, Nicholas E. Dinan, Matthew P. Bubak, D. Taylor La Salle, Dustin R. Slivka

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    4 Scopus citations

    Abstract

    Excessive positive energy balance is a major factor leading to obesity. The ability to alter the appetite-regulating hormones leptin, adiponectin, and ghrelin may help decrease excessive energy intake. Exercise and exposure to extreme temperatures can independently affect these appetite-regulating hormones. PURPOSE: To determine the effect of exercising in different environmental conditions on the circulating concentrations of leptin, adiponectin, and ghrelin. METHODS: Eleven recreationally-trained male participants completed 3 separate 1 h cycling bouts at 60% Wmax in hot, cold, and room temperature conditions (33°C, 7°C, 20°C), followed by a 3 h recovery at room temperature. Blood was drawn pre-exercise, post-exercise, and 3 h post-exercise. Hematocrit and hemoglobin were measured to account for change in plasma volume. RESULTS: Leptin concentrations were lower at post and 3 h post-exercise compared with pre-exercise, with and without correction for plasma volume shifts, regardless of temperature (p < 0.05). Adiponectin was higher post-exercise compared with pre-exercise (p = 0.021) but not 3 h post-exercise (p = 0.084) without correction for plasma volume shifts. However, adiponectin concentrations were not different at any time point when plasma volume shifts were accounted for (p > 0.05). Total ghrelin and acylated ghrelin concentrations were not affected at post and 3 h post-exercise compared with pre-exercise, with and without correcting for plasma volume shifts, regardless of ambient temperature (p > 0.05). No differences in leptin, adiponectin, or ghrelin were found between trials (p > 0.05). CONCLUSION: Temperature does not affect the circulating concentrations of appetite-regulating hormones during an acute bout of endurance exercise.

    Original languageEnglish (US)
    Pages (from-to)166-175
    Number of pages10
    JournalTemperature
    Volume4
    Issue number2
    DOIs
    Publication statusPublished - Apr 3 2017

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    Keywords

    • adipokines
    • appetite
    • cold
    • exercise
    • hormones
    • hot
    • temperature

    ASJC Scopus subject areas

    • Physiology
    • Physiology (medical)

    Cite this

    Laursen, T. L., Zak, R. B., Shute, R. J., Heesch, M. W. S., Dinan, N. E., Bubak, M. P., ... Slivka, D. R. (2017). Leptin, adiponectin, and ghrelin responses to endurance exercise in different ambient conditions. Temperature, 4(2), 166-175. https://doi.org/10.1080/23328940.2017.1294235