Effective microorganism – X attenuates circulating superoxide dismutase following an acute bout of intermittent running in hot, humid conditions

L. Taylor; Ben J. Lee; O. R. Gibson; A. W. Midgley; P. Watt; A. Mauger; P. Castle

doi:10.1080/15438627.2015.1126279

Effective microorganism – X attenuates circulating superoxide dismutase following an acute bout of intermittent running in hot, humid conditions

L. Taylor, Ben J. Lee, O. R. Gibson, A. W. Midgley, P. Watt, A. Mauger, P. Castle

School of Life Sciences

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

This study determined the effectiveness of antioxidant supplementation on high-intensity exercise-heat stress. Six males completed a high-intensity running protocol twice in temperate conditions (TEMP; 20.4°C), and twice in hot conditions (HOT; 34.7°C). Trials were completed following7 days supplementation with 70 ml·day−1 effective microorganism-X (EM-X; TEMPEMX or HOTEMX) or placebo (TEMPPLA or HOTPLA). Plasma extracellular Hsp72 (eHsp72) and superoxide dismutase (SOD) were measured by ELISA. eHsp72 and SOD increased pre-post exercise (p <0.001), with greater eHsp72 (p <0.001) increases observed in HOT (+1.5 ng·ml−1) compared to TEMP (+0.8 ng·ml−1). EM-X did not influence eHsp72 (p > 0.05). Greater (p <0.001) SOD increases were observed in HOT (+0.22 U·ml−1) versus TEMP (+0.10 U·ml−1) with SOD reduced in HOTEMX versus HOTPLA (p = 0.001). Physiological and perceptual responses were all greater (p <0.001) in HOT versus TEMP conditions, with no difference followed EM-X (p > 0.05). EM-X supplementation attenuated the SOD increases following HOT, potentiating its application as an ergogenic aid to ameliorate oxidative stress.

Original language	English
Journal	Research in Sports Medicine: An International Journal
Volume	24
Issue number	2
Early online date	31 Mar 2016
DOIs	https://doi.org/10.1080/15438627.2015.1126279
Publication status	Published - 2016

Bibliographical note

The full text is currently unavailable on the repository.

Keywords

heat shock proteins (HSP)
oxidative stress
redox balance
repeated sprint
exercise
HIT
human

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Taylor, L., Lee, B. J., Gibson, O. R., Midgley, A. W., Watt, P., Mauger, A., & Castle, P. (2016). Effective microorganism – X attenuates circulating superoxide dismutase following an acute bout of intermittent running in hot, humid conditions. Research in Sports Medicine: An International Journal, 24(2). https://doi.org/10.1080/15438627.2015.1126279

Effective microorganism – X attenuates circulating superoxide dismutase following an acute bout of intermittent running in hot, humid conditions. / Taylor, L.; Lee, Ben J.; Gibson, O. R.; Midgley, A. W.; Watt, P.; Mauger, A.; Castle, P.

In: Research in Sports Medicine: An International Journal, Vol. 24, No. 2, 2016.

Research output: Contribution to journal › Article

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