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Efeitos da abolição da bradicardia reflexa nas respostas cardiorrespiratórias de tambaqui, Colossoma macropomum (Cuvier, 1818), em hipóxia severa: vagotomia versus inibição farmacológica
(Universidade Federal de São Carlos, 2013-06-14)
Hypoxic bradycardia is a reflex response to hypoxia observed in most fish species studied so far. This reflex is initiated by the stimulation of O2 chemoreceptors and induced by an increase in the inhibitory vagal tonus. ...
Participação de pequenos grupos neurais seletivamente ativados do córtex pré-límbico na reinstalação da autoadministração de etanol induzida pelo contexto
(Universidade Federal de São Carlos, 2017-05-12)
Context-induced reinstatement of drug seeking is an animal model for assessing the neural mechanisms underlying context-induced drug relapse, a major factor in human drug addiction. Neural activity in prelimbic cortex has ...
Função colinérgica do núcleo do trato solitário comissural nas respostas cardiorrespiratórias à hipóxia e hipercapnia
(Universidade Federal de São Carlos, 2017-08-11)
The nucleus of the solitary tract (NTS) is the primary site of visceral afferents, such as baroreceptors and arterial chemoreceptors. Recent data from our laboratory have shown that the microinjection of acetylcholine (ACh) ...
Papel do treinamento físico aeróbio na modulação do balanço pró e antiangiogênico no músculo esquelético de ratos Wistar tratados com dexametasona
(Universidade Federal de São Carlos, 2016-03-29)
Dexamethasone (DEX) is widely used in clinic due to its effectiveness as anti-
inflammatory. Nevertheless, its chronic use may cause unwanted metabolic and
hemodynamic alterations, which contribute for the development ...
Caracterização farmacológica dos efeitos induzidos pelo complexo de rutênio cis-[Ru(H-dcbpy-)2(Cl)(NO2- )] e Nitroprussiato de Sódio na disfunção endotelial
(Universidade Federal de São Carlos, 2016-04-15)
Endothelial dysfunction has been considered a marker for the presence of
cardiovascular disease. It is characterized by decreased release of vasodilatory
factors and increased of vasoconstrictors factors. Nitric oxide ...
Avaliação pancreática de animais submetidos à dieta hiperlipídica
(Universidade Federal de São Carlos, 2012-09-04)
The pathogenesis of type 2 diabetes mellitus (DM2) is associated with insulin resistance (IR) and pancreatic β cells (β cells) defect. Adipose tissue modulates metabolism by releasing free fatty acids (FFA), ...
Ovariectomia e treinamento resistido: influência na morfologia e angiogênese do tecido adiposo visceral de ratas
(Universidade Federal de São Carlos, 2014-09-09)
Ovariectomy in animals (surgical removal of ovaries) is a model used to mimic the menopause in women. The ovarian hormone deficiency alters the lipid profile, increases inflammation and the risk of type 2 diabetes mellitus, ...
Estudo do papel da ADAM9 na disseminação tumoral via sistema linfático: possível alvo farmacológico
(Universidade Federal de São Carlos, 2014-12-12)
Tumor spreading occurs mainly by two pathways: through blood vessels and by lymphatic vessels, but the last is preferred by breast tumor cells. Some proteins are involved in cell adhesion and proteolysis, causing metastasis, ...
Geração de expiração ativa : mecanismos centrais e implicações nas alterações cardiorrespiratórias associadas à hipóxia intermitente
(Universidade Federal de São Carlos, 2016-08-05)
The exposure to periods of hypoxemia and reoxygenation, as observed in patients with
obstructive sleep apnea (OSA), promotes compensatory increases in ventilation, sympathetic activity and blood pressure (BP), by mechanisms ...
Participação dos neurônios noradrenérgicos da região A5 no controle cardiorrespiratório durante a hipercapnia e hipóxia em ratos
(Universidade Federal de São Carlos, 2012-06-04)
The noradrenergic A5 group is an important group of neurons located in the
ventrolateral pons and receives projections from several medullar areas related to
cardiorespiratory regulation. The A5 region contributes to the ...