Plasma free metanephrine and normethanephrine levels correlated to plasma catecholamine after acute running in amateur runner.
Exercise
Intensity
Running
Ventilatory threshold
Journal
Journal of exercise science and fitness
ISSN: 1728-869X
Titre abrégé: J Exerc Sci Fit
Pays: Singapore
ID NLM: 101198241
Informations de publication
Date de publication:
Jul 2021
Jul 2021
Historique:
received:
14
12
2020
revised:
11
03
2021
accepted:
12
03
2021
entrez:
3
5
2021
pubmed:
4
5
2021
medline:
4
5
2021
Statut:
ppublish
Résumé
Catecholamine is a typical index of exercise intensity, but it is difficult to detect. Plasma metanephrine (MN) and normethanephrine (NMN) levels are more stable than those of catecholamines. This study aimed to investigate plasma MN and NMN levels during acute exercise running in amateur runners. Samples were collected from eight healthy male participants. They were either sedentary or running at low or high intensity for 30 min. Blood samples were collected under these conditions. Measurements taken included plasma adrenaline, noradrenaline, MN, and NMN. Plasma adrenaline levels increased after high-intensity exercise compared with sedentary subjects. Plasma noradrenaline, MN, and NMN levels increased after both low- and high-intensity exercise compared with sedentary subjects. In addition, these levels were also significantly higher at high intensity than at low intensity. Plasma adrenaline and noradrenaline levels were positively correlated with plasma free MN and NMN levels after acute running, respectively. This study revealed that plasma MN and NMN levels transiently increased depending on exercise intensity in amateur runners. In addition, plasma NMN levels are better markers than plasma MN levels because of their stronger correlation with plasma catecholamine levels.
Sections du résumé
BACKGROUND
BACKGROUND
Catecholamine is a typical index of exercise intensity, but it is difficult to detect. Plasma metanephrine (MN) and normethanephrine (NMN) levels are more stable than those of catecholamines. This study aimed to investigate plasma MN and NMN levels during acute exercise running in amateur runners.
METHODS
METHODS
Samples were collected from eight healthy male participants. They were either sedentary or running at low or high intensity for 30 min. Blood samples were collected under these conditions. Measurements taken included plasma adrenaline, noradrenaline, MN, and NMN.
RESULTS
RESULTS
Plasma adrenaline levels increased after high-intensity exercise compared with sedentary subjects. Plasma noradrenaline, MN, and NMN levels increased after both low- and high-intensity exercise compared with sedentary subjects. In addition, these levels were also significantly higher at high intensity than at low intensity. Plasma adrenaline and noradrenaline levels were positively correlated with plasma free MN and NMN levels after acute running, respectively.
CONCLUSION
CONCLUSIONS
This study revealed that plasma MN and NMN levels transiently increased depending on exercise intensity in amateur runners. In addition, plasma NMN levels are better markers than plasma MN levels because of their stronger correlation with plasma catecholamine levels.
Identifiants
pubmed: 33936218
doi: 10.1016/j.jesf.2021.03.002
pii: S1728-869X(21)00014-9
pmc: PMC8055611
doi:
Types de publication
Case Reports
Langues
eng
Pagination
178-181Informations de copyright
© 2021 The Society of Chinese Scholars on Exercise Physiology and Fitness. Published by Elsevier (Singapore) Pte Ltd.
Déclaration de conflit d'intérêts
There are no conflicts of interest to disclose.
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