Lifelong exercise, but not short-term high-intensity interval training (HIIT), increases GDF11, a marker of successful ageing: a preliminary investigation

Elliot, Bradley T., Herbert, Peter, Sculthorpe, Nicholas, Grace, Fergal M., Stratton, Daniel and Hayes, Lawrence D. (2017) Lifelong exercise, but not short-term high-intensity interval training (HIIT), increases GDF11, a marker of successful ageing: a preliminary investigation. Physiological Reports, 5 (13). e13343.

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Official URL: https://doi.org/10.14814/phy2.13343

Abstract

Lifelong exercise is associated with regulation of skeletal mass and function, reductions in frailty, and successful ageing. Yet, the influence of exercise on myostatin and myostatin-interacting factors is relatively under examined in older males. Therefore, we investigated whether serum total myostatin, free myostatin, follistatin, and growth and differentiation factor 11 (GDF11) were altered following high intensity interval training (HIIT) in a group of 13 lifelong sedentary (SED; 64 [6] years) and 11 lifelong exercising (LEX; 62 [6] years) older males. SED follistatin was moderately greater than LEX pre-HIIT (Cohen’s d = 0.66), and was largely greater post-HIIT (Cohen’s d = 1.22). The HIIT-induced increase in follistatin was large in SED (Cohen’s d = 0.82) and absent in LEX (Cohen’s d = 0.03). GDF11 was higher in LEX pre- (Cohen’s d = 0.49), and post- (Cohen’s d = 0.63) HIIT compared to SED. HIIT resulted in no change to GDF11 in LEX or SED (Cohen’s d = 0.00-0.03). Peak power output and GDF11 correlated (r = 0.603), independent of grouping. Differences in GDF11 with lifelong exercise training, paired with the correlation between GDF11 and peak power output, suggest GDF11 may be a relevant myostatin-interacting peptide to successful ageing in humans, and strategies to maintain this need to be further explored.

Item Type: Article
Journal or Publication Title: Physiological Reports
Publisher: Wiley Open Access
ISSN: 2051-817X
Departments: Faculty of Health and Science > Medical and Sports Sciences > Sports and Physical Activity > Sport
Depositing User: Lawrence D. Hayes
Date Deposited: 19 Jun 2017 09:47
Last Modified: 27 Jul 2017 15:19
URI: http://insight.cumbria.ac.uk/id/eprint/2982

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