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. 2021 Jan 22;7(1):8.
doi: 10.1186/s40798-020-00294-3.

Screening of Potential Stress Biomarkers in Sweat Associated with Sports Training

Maria João Nunes  1 , Cristina M Cordas  2 , José J G Moura  3 , João Paulo Noronha  3 , Luís Cobra Branco  3
Affiliations

Screening of Potential Stress Biomarkers in Sweat Associated with Sports Training

Maria João Nunes et al. Sports Med Open. .

Abstract

Background: Intense and continuous physical training in sports is related with psychological and physiological stress, affecting the health and well-being of athletes. The development of non-invasive sampling methodologies is essential to consider sweat as a potential biological fluid for stress biomarker assessment. In the current work, the identification in sweat samples of potential molecules that may be used as stress biomarkers was pursued.

Methods: A sweat pool sample from football players after a 90-min intense training game was studied.

Results: An analysis method using liquid chromatography with detection by tandem mass spectrometry (LC-MSMS) to attain a screening profile of sweat composition is presented. The major focus was on neurotransmitters (e.g. monoamines and metabolites) and other biological molecules related with physical training, such as precursors of biogenic amines (phenylaniline, tyrosine, etc.).

Conclusions: This study allowed the identification of small biomolecules, neurotransmitters and other related molecules in sweat that are potentially associated with stress conditions. The developed methodology intends to contribute to the assessment and study of physical and psychological stress biomarkers related with intense sports using non-invasive methods.

Keywords: Biomarkers; LC-MSMS; Physical training; Stress; Sweat.

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Conflict of interest statement

The authors, Maria Nunes, Cristina Cordas, José Moura, João Noronha, and Luís Branco, declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
Representation of the identified biomarkers in function of log NL signal
See this image and copyright information in PMC

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