2021
DOI: 10.1016/j.ejphar.2021.174182
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A functional selective effect of oxytocin secreted under restraint stress in rats

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Cited by 4 publications
(5 citation statements)
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“…Oxytocin has been well documented to be implicated in stress-buffering via regulation of autonomic nervous system ( Tracy et al, 2018 ; Carter et al, 2020 ; Belém-Filho et al, 2021 ). It is well known that chronic stresses, including social, emotional, and physical stresses, increase activity of sympathetic nervous system.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Oxytocin has been well documented to be implicated in stress-buffering via regulation of autonomic nervous system ( Tracy et al, 2018 ; Carter et al, 2020 ; Belém-Filho et al, 2021 ). It is well known that chronic stresses, including social, emotional, and physical stresses, increase activity of sympathetic nervous system.…”
Section: Discussionmentioning
confidence: 99%
“…It is well known that chronic stresses, including social, emotional, and physical stresses, increase activity of sympathetic nervous system. Recently, Belém-Filho et al (2021) reported that OT attenuates tachycardiac responses evoked by restraint via increasing parasympathetic activity, promoting cardioprotection by reducing the stress-evoked heart rate increase. Jovanovic et al (2019) provided evidence that oxytocin treatment decreases the heart/body weight ratio and prevents the hypertrophy of cardiomyocytes in the wall of the left ventricle of the stressed rats.…”
Section: Discussionmentioning
confidence: 99%
“…Generally, the oxytocin system of the hypothalamus is activated both in human and rodent, and even peripheral OXT levels are affected by stress. But the opposite results were found that the OXT system plays a buffering role in reducing the sensitivity of stress responses [ 101 ]. The above results indicate that endogenous changes in OXT expression may be safer and more efficient in stress regulation than peripheral OXT administration, but these are based on the normal endocrine system of the oxytocin system.…”
Section: Introductionmentioning
confidence: 99%
“…Como parte final, mostramos que a ativação do receptor para ocitocina reduz a taquicardia evocada pelo ER, e que também atua reduzindo a hipertensão no estresse. Estes dados estão de acordo com a nossa hipótese inicial e também com a literatura que mostra que ocitocina reduz FC, que já sabemos ser por atuar na ramificação parassimpática do SNA (BELÉM-FILHO et al, 2021;MUKADDAM-DAHER et al, 2001), e reduz a pressão, possivelmente pela liberação de oxido nítrico endotelial (GUTKOWSKA; JANKOWSKI, 2008). E para confirmação do envolvimento da proteína Gq, utilizamos um agonista tendencioso para esta isoforma, o qual potencializou o efeito de redução da taquicardia.…”
Section: Grupounclassified
“…Recentemente, nosso grupo identificou o efeito fisiológico da ocitocina no modelo de ER (BELÉM-FILHO et al, 2021), onde é responsável pela manutenção da resposta taquicárdica adequada para não sobrecarregar o sistema durante a situação estressante. Neste contexto a ocitocina atua como protetora ao sistema cardiovascular atuando via modulação parassimpática.…”
Section: Grupounclassified