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https://open.uns.ac.rs/handle/123456789/9254
Nаziv: | The interface of hypothalamic-pituitary-adrenocortical axis and circulating brain natriuretic peptide in prediction of cardiopulmonary performance during physical stress | Аutоri: | Popović, Diana Popović, Boris Plecas-Solarovic B. Pešić, Vesna Marković, Vesna Stojiljković, Stanimir Vukcevic V. Petrovic I. Banovic M. Petrović, Maja Vujisic-Tesic B. Ostojic M. Ristić, Arsen Damjanović, Spasoja |
Dаtum izdаvаnjа: | 1-јан-2013 | Čаsоpis: | Peptides | Sažetak: | Brain natriuretic peptide (NT-pro-BNP) was implicated in the regulation of hypothalamic-pituitary-adrenocortical (HPA) responses to psychological stressors. However, HPA axis activation in different physical stress models and its interface with NT-pro-BNP in the prediction of cardiopulmonary performance is unclear. Cardiopulmonary test on a treadmill was used to assess cardiopulmonary parameters in 16 elite male wrestlers (W), 21 water polo player (WP) and 20 sedentary age-matched subjects (C). Plasma levels of NT-pro-BNP, cortisol and adrenocorticotropic hormone (ACTH) were measured using immunoassay sandwich technique, radioimmunoassay and radioimmunometric techniques, respectively, 10min before test (1), at beginning (2), at maximal effort (3), at 3rdmin of recovery (4). In all groups, NT-pro-BNP decreased between 1 and 2; increased from 2 to 3; and remained unchanged until 4. ACTH increased from 1 to 4, whereas cortisol increased from 1 to 3 and stayed elevated at 4. In all groups together, δNT-pro-BNP2/1 predicted peak oxygen consumption (B = 37.40, r = 0.38, p = 0.007); cortisol at 3 predicted heart rate increase between 2 and 3 (r=-0.38,B = -0.06, p = 0.005); cortisol at 2 predicted peak carbon-dioxide output (B = 2.27, r=0.35, p<0.001); δACTH3/2 predicted peak ventilatory equivalent for carbon-dioxide (B = 0.03, r=0.33, p = 0.003). The relation of cortisol at 1 with NT-pro-BNP at 1 and 3 was demonstrated using logistic function in all the participants together (for 1/cortisol at 1 B = 63.40, 58.52; r=0.41, 0.34; p = 0.003, 0.013, respectively). δNT-pro-BNP2/1 linearly correlated with δACTH4/3 in WP and W (r=-0.45, -0.48; p = 0.04, 0.04, respectively). These results demonstrate for the first time that HPA axis and NT-pro-BNP interface in physical stress probably contribute to integrative regulation of cardiopulmonary performance. © 2013 Elsevier Inc. All rights reserved. | URI: | https://open.uns.ac.rs/handle/123456789/9254 | ISSN: | 01969781 | DOI: | 10.1016/j.peptides.2013.07.009 |
Nаlаzi sе u kоlеkciјаmа: | PMF Publikacije/Publications |
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