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Title: The influence of adiposity and acute exercise on circulating hepatokines in normal weight and overweight/obese men
Authors: Sargeant, Jack A.
Aithal, Guruprasad P.
Takamura, Toshinari
Misu, Hirofumi
Takayama, Hiroaki
Douglas, Jessica A.
Turner, Mark C.
Stensel, David J.
Nimmo, Myra A.
Webb, David
Yates, Thomas E.
King, James A.
Keywords: Physical activity
Insulin resistance
Obesity
Organokines
Liver
Issue Date: 2017
Publisher: NRC Research Press © The Authors
Citation: SARGEANT, J.A. ... et al, 2017. The influence of adiposity and acute exercise on circulating hepatokines in normal weight and overweight/obese men. Applied Physiology, Nutrition, and Metabolism, 43(5), pp. 482-490.
Abstract: Hepatokines are liver-secreted proteins with potential to influence glucose regulation and other metabolic parameters. This study investigated differences in adiposity status on five novel hepatokines and characterised their response to acute moderate-intensity exercise in groups of normal weight and overweight/obese men. Twenty-two men were recruited into normal weight and overweight/obese groups (BMI: 18.5 to 24.9 and 25.0 to 34.9 kg∙m-2). Each completed two experimental trials, exercise and control. During exercise trials, participants performed 60 min of moderate-intensity treadmill exercise (~60% V̇O2 peak) and then rested for 6 h. Participants rested throughout control trials. Circulating fibroblast growth factor-21 (FGF21), follistatin, leukocyte cell-derived chemotaxin 2 (LECT2), fetuin-A and selenoprotein-P (SeP) were measured throughout. Fasted (resting) FGF21 and LECT2 were higher in overweight/obese individuals (129% and 55%; P ≤ 0.01) and correlated with indices of adiposity and insulin resistance; whereas circulating follistatin was lower in overweight/obese individuals throughout trial days (17%, P < 0.05). In both groups, circulating concentrations of FGF21 and follistatin were transiently elevated after exercise for up to 6 h (P ≤ 0.02). Circulating fetuin-A and SeP were no different between groups (P ≥ 0.19) and, along with LECT2, were unaffected by exercise (P ≥ 0.06). These findings show that increased adiposity is associated with a modified hepatokine profile, which may represent a novel mechanism linking excess adiposity to metabolic health. Furthermore, acute perturbations in circulating FGF21 and follistatin after exercise may contribute to the health benefits of an active lifestyle.
Description: This paper was published in the journal Applied Physiology, Nutrition, and Metabolism and the definitive published version is available at https://doi.org/10.1139/apnm-2017-0639.
Version: Accepted for publication
DOI: 10.1139/apnm-2017-0639
URI: https://dspace.lboro.ac.uk/2134/27658
Publisher Link: https://doi.org/10.1139/apnm-2017-0639
ISSN: 1715-5312
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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