2016
DOI: 10.1007/s11055-016-0283-0
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The Role of the Sympathoadrenal System in Adaptation to Cold

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Cited by 6 publications
(7 citation statements)
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“…At the same time, higher TSH levels in people with reference dopamine levels may be due to the adverse climatic factors causing both the activation of the sympathoadrenal system and the increased HPTA activity. (1,26) In addition, there may be an opposite effect associated with the stimulation of synthesis and secretion of catecholamines by thyroid gland hormones. (27) It should be noted that increased levels of dopamine in the identified ranges, as well as its reference values, are associated with activation of HTPA, namely, an increase in T4 production and its conversion to more biologically active fT3, compared with the undetectable values of dopamine.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…At the same time, higher TSH levels in people with reference dopamine levels may be due to the adverse climatic factors causing both the activation of the sympathoadrenal system and the increased HPTA activity. (1,26) In addition, there may be an opposite effect associated with the stimulation of synthesis and secretion of catecholamines by thyroid gland hormones. (27) It should be noted that increased levels of dopamine in the identified ranges, as well as its reference values, are associated with activation of HTPA, namely, an increase in T4 production and its conversion to more biologically active fT3, compared with the undetectable values of dopamine.…”
Section: Discussionmentioning
confidence: 99%
“…Numerous studies have shown that the activity of the sympathoadrenal system increases under adaptation of the body to the cold, which is especially important for people living in extreme conditions of high latitudes. (1,2) Thus, K. Harinath and colleagues (2) studied the role of the autonomic nervous system and adrenal system in acclimatization to cold in tropical men during short or prolonged sojourns at Antarctica. The study was carried out on volunteers of the winter over team (WOT) and summer team (ST) of an Indian Antarctic Expedition.…”
Section: Introductionmentioning
confidence: 99%
“…Selye called this phenomenon cross-resistance. Later studies indicated that after the adaptation to various extreme effects, cross-resistance to coronary artery occlusion and reperfusion could appear (Meerson and Malyshev 1989;Maslov et al 2013Maslov et al , 2014bMaslov et al , 2014c. , Kuroshima et al (1984 found that the adaptation by means of shortterm immobilizations increases the body's tolerance to the cold stress.…”
Section: Introductionmentioning
confidence: 99%
“…Durante uma situação de estresse, os eixos simpático-adrenalmedular, hipotálamohipófise-adrenocortical (HHA) e hipotálamo-hipófise-tireoide (HHT) são os principais sistemas de manutenção da homeostase (ULRICH-LAI & HERMAN, 2009;MASLOV & VYCHUZHANOVA, 2016). Além de agir diretamente nos diferentes tecidos periféricos, sabe-se que as catecolaminas, em resposta ao estresse, levam a outras alterações hormonais como a redução das concentrações plasmáticas de insulina e aumento das concentrações plasmáticas de glucagon.…”
Section: Controle Do Metabolismo Intermediário Durante a Exposição Aounclassified
“…Além da redução da perda de calor induzida pelo aumento da vasoconstrição da pele (LICHTENBELT & DAANEN, 2003), sabe-se que o estresse térmico promove aumento da termogênese. Este aumento da produção endógena de calor depende da musculatura esquelética, na chamada termogênese dependente de tremor, e do TAM, tecido especializado na termogênese facultativa ou independente de tremor muscular (dependente e independente do tremor) são regulados pelo SNC e utilizam como fontes principais de energia, para a produção de calor, a glicose proveniente da glicogenólise e neoglicogênese hepática e a oxidação dos ácidos graxos oriundos: 1) da hidrólise dos triacilgliceróis armazenados no próprio tecido (músculo e TAM) e 2) principalmente da hidrólise dos triacilgliceróis estocados no TAB e captados da circulação (NAVEGANTES, KETTELHUT & MIGLIORINI et al, in: AIRES, 2012;LANDSBERG & YOUNG, 1984;MASLOV & VYCHUZHANOVA, 2016;NAGAI et al, 1973). A ativação da neoglicogênese que ocorre durante a exposição a baixas temperaturas é favorecida pelo grande afluxo de aminoácidos para o tecido hepático provenientes da ativação da proteólise e redução da síntese proteica muscular (figura 2) (LANDSBERG & YOUNG, 1984;COIMBRA & MIGLIORINI, 1988).…”
Section: Controle Do Metabolismo Intermediário Durante a Exposição Aounclassified