Int J Sports Med 2019; 40(03): 158-164
DOI: 10.1055/a-0828-8047
Physiology & Biochemistry
© Georg Thieme Verlag KG Stuttgart · New York

Supervised Short-term High-intensity Training on Plasma Irisin Concentrations in Type 2 Diabetic Patients

Authors

  • Tobias Dünnwald*

    1   Department of Psychology and Medical Sciences, Institute for Sports Medicine, Alpine Medicine & Health Tourism (ISAG), Hall, Austria
  • Andreas Melmer*

    2   Universitätsklinik für Diabetologie, Endokrinologie, Inselspital, Universitätsspital Bern, Bern, Switzerland
  • Hannes Gatterer

    3   Institute of Mountain Emergency Medicine, EURAC Research, Bolzano, Italy
  • Karin Salzmann

    4   Department of Internal Medicine I, Medical University of Innsbruck, Innsbruck, Austria
  • Christoph Ebenbichler

    4   Department of Internal Medicine I, Medical University of Innsbruck, Innsbruck, Austria
  • Martin Burtscher

    5   Sport Science, University of Innsbruck, Innsbruck, Austria
  • Wolfgang Schobersberger

    6   Department of Psychology, Medical Sciences & Health Systems Management, University for Health Sciences, Medical Informatics and Technology, Hall in Tyrol, Austria
    7   Tirol Kliniken GmbH Innsbruck, Institute for Sports Medicine, Alpine Medicine & Health Tourism (ISAG), Innsbruck, Austria
  • Wilhelm Grander

    8   Department of Internal Medicine, Landeskrankenhaus Hall, Hall, Austria
Further Information

Publication History



accepted 11 December 2018

Publication Date:
31 January 2019 (online)

Abstract

Irisin is a myokine involved in adipocyte transformation. Its main beneficial effects arise from increased energy expenditure. Irisin production is particularly stimulated by physical exercise. The present study investigates the changes of plasma irisin in type 2 diabetic patients performing 2 different training modalities. Fourteen type 2 diabetic patients underwent 4 week of supervised high-intensity interval training (HIT; n=8) or continuous moderate-intensity training (CMT; n=6), with equivalent total amounts of work required. Plasma samples were collected in the resting state atbaseline and one day after the exercise intervention to analyse resting plasma irisin, blood lipids, blood glucose, hsCRP, Adiponectin, Leptin and TNF-α concentrations. In addition, body composition and VO2peak were determined Resting plasma irisin increased after HIT (p=0.049) and correlated significantly with plasma fasting glucose at follow-up (r=0.763; p=0.006). CMT did not significantly change the amount of plasma irisin, although follow-up values of plasma irisin correlated negatively with fat-free mass (r=−0.827, p=0.002) and with fasting plasma glucose (r = − 0.934, p=0.006). Plasma irisin was found to increase with higher training intensity, confirming the assumption that exercise intensity, in addition to the type of exercise, may play an important role in the stimulation of the irisin response.

* First and Second author contributed equally to this work.