Acute exercise-induced irisin release in healthy adults: Associations with training status and exercise mode

European Journal of Sport Science
Shanhu QiuUwe Schumann

Abstract

There is a growing interest in exploring irisin response to acute exercise; however, the associations of acute exercise-induced irisin release with training status and exercise mode are not fully understood. This study was primarily designed to evaluate these associations. Sixteen healthy adults (8 trained versus 8 untrained) underwent a bout of cycling at 80% of maximal oxygen uptake (VO2max) for 50 min, with blood drawn pre-, 10-, and 180-min post-exercise. Another 17 healthy adults performed 2 bouts of graded exercise (cycling and running) until exhaustion on separate days using a randomized cross-over design, with blood taken pre-, 0-, 10-, and 60-min post-exercise. Circulating irisin, creatine kinase (CK), aspartate aminotransferase (AST), and myoglobin (Mb) were measured, and their respective areas under the curves (AUCs) were calculated. Irisin increased 10-min after 50 min of cycling at 80% of VO2max, while its changes from baseline to post-exercise and the amount of exercise-induced irisin release (presented as AUC) were comparable between trained and untrained adults (all P > .05). Irisin remained elevated 10-min post-exhausting running but decreased towards baseline 10-min post-exhausting cycling. Exhausting running ...Continue Reading

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Citations

Feb 14, 2020·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·James J McCormickGlen P Kenny
Jun 20, 2020·Archives of Endocrinology and Metabolism·Shanhu QiuUwe Schumann
Jul 30, 2020·Current Diabetes Reports·Andrea Mendez-GutierrezGuillermo Sanchez-Delgado
Oct 2, 2019·Frontiers in Endocrinology·Ilse Yessabel Martínez MuñozJosé de Jesús Garduño García
Sep 17, 2020·The Journal of Sports Medicine and Physical Fitness·Jaak Jürimäe, Priit Purge
Dec 5, 2020·Animals : an Open Access Journal From MDPI·Sylwester KowalikIwona Janczarek
Jun 26, 2021·The Chinese Journal of Physiology·Suleyman UlupinarBurak Oymak

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Methods Mentioned

BETA
ELISA

Software Mentioned

GraphPad Prism
GraphPad

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