The influence of acclimatization on stress hormone concentration in serum during heat stress.

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Tytuł:: The influence of acclimatization on stress hormone concentration in serum during heat stress.
Autorzy:: Vesic Z; Department of Social Policy and Social Work, Faculty of Political Sciences, University of Belgrade, Belgrade, Serbia.
Jakovljevic V; Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia. .; Department of Human Pathology, I.M. Sechenov First Moscow State Medical University, Moscow, Russian Federation. .
Nikolic Turnic T; Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia.
Vukasinovic-Vesic M; Faculty of Sport, University Union-Nikola Tesla, Belgrade, Serbia.
Bolevich S; Department of Human Pathology, I.M. Sechenov First Moscow State Medical University, Moscow, Russian Federation.
Radakovic S; Institute of Hygiene, Military Medical Academy, Belgrade, Serbia.
Źródło:: Molecular and cellular biochemistry [Mol Cell Biochem] 2021 Sep; Vol. 476 (9), pp. 3229-3239. Date of Electronic Publication: 2021 Apr 21.
Typ publikacji:: Journal Article
Język:: English
Imprint Name(s):: Publication: New York : Springer
Original Publication: The Hague, Dr. W. Junk B. V. Publishers.
MeSH Terms:: Acclimatization*
Body Temperature Regulation*
Heat-Shock Response*
Hot Temperature*
Sweating*
Heat Stress Disorders/*physiopathology
Hormones/*blood
Adult ; Body Temperature ; Heart Rate ; Heat Stress Disorders/blood ; Humans ; Male ; Physical Exertion ; Skin Temperature ; Young Adult
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Contributed Indexing:: Keywords: Acclimatization; Heat stress; Hormone status; Soldiers; Thermoregulation
Substance Nomenclature:: 0 (Hormones)
Entry Date(s):: Date Created: 20210421 Date Completed: 20210906 Latest Revision: 20210906
Update Code:: 20240104
DOI:: 10.1007/s11010-021-04153-x
PMID:: 33881710
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This study was aimed to examine the influence of acclimatization on the change of concentration of stress hormones in men's serum exposed to heat stress during physical training. The study included a total of 40 men, aged 19-21 years, divided randomly into four groups: CTRL group: control, exposed to the Exercise Tolerance Testing in comfortable conditions; O group: exposed to Exercise Tolerance Testing in a warm environment; P group: exposed to passive acclimation to heat for 10 days, followed by Exercise Tolerance Testing in a warm environment; A group: exposed to active acclimation to heat for 10 days, followed by Exercise Tolerance Testing in a warm environment. All participants were tested for thermoregulation and acclimatization, skin and tympanic temperature, heart rate (HR), hormonal status and sweating. The mean skin temperature was the lowest in the control group of subjects exposed to physical exertion under comfortable conditions, and at each point of measurement it was statistically significantly different from that of the other study groups (p < 0.001). Sweating intensity was statistically significantly the lowest in the CTRL group (0.32 ± 0.04 l/m 2 /h; p < 0.001), compared to all other groups. Cortisol was significantly altered in O group (632.2 ± 92.3; 467.2 ± 89.7), testosterone levels were significantly altered in P (19.2 ± 9.3; 16.4 ± 7.3) and in A groups (22.1 ± 12.4; 14.9 ± 9.9), while prolactin was changed in O (392.1 ± 51.3; 181.4 ± 42.3), P (595.1 ± 191.1; 191.2 ± 52.5), and A group (407.4 ± 189.3; 173.4 ± 43.9) after the experimental period. The impact of acclimatization on hormonal indicators emphasizes its importance in the response of the endocrine system of soldiers to perform military activities in warm climates.
(© 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)

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