Vasodilatory Response
Mostrando 1-12 de 37 artigos, teses e dissertações.
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1. Maxadilan-simile expression in Nyssomyia neivai, a sandfly vector in an endemic region of Brazil, and its immunogenicity in patients with American tegumentary leishmaniasis
BACKGROUND Maxadilan (Max) is a salivary component in the sandfly Lutzomyia longipalpis (Lutz & Neiva 1912), a vector of visceral leishmaniasis. Max has a powerful vasodilatory effect and is a candidate vaccine that has been tested in experimental leishmaniasis. Nyssomyia neivai (Pinto 1926) is a vector of the pathogen responsible for American tegumentary
Mem. Inst. Oswaldo Cruz. Publicado em: 2017-02
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2. Swimming training prevents coronary endothelial dysfunction in ovariectomized spontaneously hypertensive rats
Estrogen deficiency and hypertension are considered major risk factors for the development of coronary heart disease. On the other hand, exercise training is considered an effective form to prevent and treat cardiovascular diseases. However, the effects of swimming training (SW) on coronary vascular reactivity in female ovariectomized hypertensive rats are n
Braz J Med Biol Res. Publicado em: 16/01/2017
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3. Intensity of swimming exercise influences aortic reactivity in rats
Exercise is known to cause a vasodilatory response; however, the correlation between the vasorelaxant response and different training intensities has not been investigated. Therefore, this study evaluated the vascular reactivity and lipid peroxidation after different intensities of swimming exercise in rats. Male Wistar rats (aged 8 weeks; 250-300 g) underwe
Braz J Med Biol Res. Publicado em: 18/09/2015
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4. The pressor effect of angiotensin-(1-7) in the rat rostral ventrolateral medulla involves multiple peripheral mechanisms
OBJECTIVE: In the present study, the peripheral mechanism that mediates the pressor effect of angiotensin-(1-7) in the rostral ventrolateral medulla was investigated. METHOD: Angiotensin-(1-7) (25 pmol) was bilaterally microinjected in the rostral ventrolateral medulla near the ventral surface in urethane-anesthetized male Wistar rats that were untreated or
Clinics. Publicado em: 2013
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5. Effect of tamoxifen on the coronary vascular reactivity of spontaneously hypertensive female rats
Tamoxifen has been associated with a reduction in the incidence of myocardial infarction. However, the effects of tamoxifen on coronary reactivity have not been fully elucidated. The objective of this study was to determine the effects of chronic treatment with tamoxifen on coronary vascular reactivity in spontaneously hypertensive rats (SHR). Female SHR wer
Brazilian Journal of Medical and Biological Research. Publicado em: 2011-08
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6. Repeatability of the evaluation of systemic microvascular endothelial function using laser doppler perfusion monitoring: clinical and statistical implications
OBJECTIVE: An awareness of the repeatability of biological measures is required to properly design and calculate sample sizes for longitudinal interventional studies. We investigated the day-to-day repeatability of measures of systemic microvascular reactivity using laser Doppler perfusion monitoring. METHODS: We performed laser Doppler perfusion monitoring
Clinics. Publicado em: 2011
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7. Bradykinin or acetylcholine as vasodilators to test endothelial venous function in healthy subjects
INTRODUCTION: The evaluation of endothelial function has been performed in the arterial bed, but recently evaluation within the venous system has also been explored. Endothelial function studies employ different drugs that act as endothelium-dependent vasodilatory response inductors. OBJECTIVES: The aim of this study is to compare the endothelium-dependent v
Clinics. Publicado em: 2008
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8. Avaliação da resposta vasodilatadora em crianças obesas portadoras de polimorfismo dos receptores beta 2-adrenérgico / Evaluation the muscle vasodilatory responses in obese children with beta 2-adrenoceptor
A obesidade é um dos maiores fatores de risco para o desenvolvimento de comprometimentos cardiovasculares. Essas alterações também são encontradas em crianças. Recentemente, estudos citam prejuízos cardiovasculares em crianças obesas. Estudos prévios in vitro e in vivo, sugeriram que alguns polimorfismos para o receptor beta 2-adrenérgico podem afe
Publicado em: 2007
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9. DeterminaÃÃo do peptÃdio natriurÃtico cerebral humano em portadores da DoenÃa de Chagas
The purpose of the present study was to measure the plasma concentrations of brain natriuretic peptide(PNB) in patients with seropositive for Chaga`s disease(CD) . CD affects 16 million people in Latin America, of whom 6 to 8 million are brazilians people. PNB is increased in congestive disease, suggesting that the potent vasodilatory and natriuretic propert
Publicado em: 2003
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10. Estudos bioquimico e farmacologico da peçonha de Bothrops erythromelas
B. elythromelas is a snake found exc1usivelyin the Northeast of Brazil (from Bahia to Ceará). In this Thesis, some of the biochemical and pharmacological characteristics of this venom were examined. B. erythromelas venom possesses coagulant activity as well as proteolytic (caseinolytic), phospholipase and TAME-esterase activities. Practionation of the venom
Publicado em: 1991
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11. Adipocyte-derived factor reduces vasodilatory capability in ob−/ob− mice
Obesity is associated with impaired functional hyperemic response. We have shown that ATP-sensitive potassium (KATP) channels are important in mediating functional vasodilation. Adipocyte-derived factors (ADFs) can alter vascular tone via opening KATP channels. We hypothesize that, in an animal model of obesity, ADFs will decrease basal arteriolar tone by op
American Physiological Society.
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12. Evidence against the hypothesis that prostaglandins are the vasodepressor agents of pregnancy. Serial studies in chronically instrumented, conscious rats.
Renal hemodynamics increase dramatically during pregnancy, and pressor responsiveness to exogenous administration of vasoconstrictors is attenuated. We investigated whether or not vasodilatory prostaglandins mediate these phenomena. Trained, chronically instrumented, conscious pregnant rats were used. Control values of glomerular filtration rate (GFR) and ef