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Mostrando 25-36 de 556 artigos, teses e dissertações.
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25. 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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26. Intra-puparial development of the Cochliomyia macellaria and Lucilia cuprina (Diptera, Calliphoridae)
ABSTRACT The intra-puparial development of the blowflies Cochliomyia macellaria (n = 310) and Lucilia cuprina (n = 470), was studied under controlled conditions in laboratory. The 3rd instar larvae were reared until they stopped feeding, and the pre-pupae were separated according to the size in larval length and degree of pigmentation and of the cuticle. We
Rev. Bras. entomol.. Publicado em: 2016-12
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27. Possible mechanisms of antinociception of methanol extract of Melastoma malabathricum leaves
ABSTRACT Melastoma malabathricum L., Melastomaceae, has been traditionally used to relieve diverse pain-related ailments. The objectives of the present study were to determine the antinociceptive activity of methanol extract of M. malabathricum leaves and to elucidate the possible mechanisms of antinociception involved using various rats' models. The extract
Rev. bras. farmacogn.. Publicado em: 2016-10
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28. Antinociceptive effect of semi-purified petroleum ether partition of Muntingia calabura leaves
ABSTRACT Muntingia calabura L., Muntingiaceae, is a medicinal plant for various pain-related diseases. The aims of the present study were to determine the antinociceptive profile and to elucidate the possible mechanisms of antinociception of petroleum ether partition obtained from crude methanol extract of M. calabura leaves using various animal models. The
Rev. bras. farmacogn.. Publicado em: 2016-08
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29. Pharmacological study of the mechanisms involved in the vasodilator effect produced by the acute application of triiodothyronine to rat aortic rings
A relationship between thyroid hormones and the cardiovascular system has been well established in the literature. The present in vitro study aimed to investigate the mechanisms involved in the vasodilator effect produced by the acute application of 10-8–10-4 M triiodothyronine (T3) to isolated rat aortic rings. Thoracic aortic rings from 80 adult male Wis
Braz J Med Biol Res. Publicado em: 25/07/2016
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30. Sesquiterpene lactones from Hedyosmum brasiliense induce in vitro relaxation of rat aorta and corpus cavernosum
Abstract Hedyosmum brasiliense Miq., Chloranthaceae, has been used in Southern Brazil as a sedative, anti-inflammatory, and aphrodisiac. In this study, endothelium-intact and endothelium-denuded rat aortic rings and strips of corpus cavernosum were used to investigate the relaxant effects of an hexane fraction of leaves of H. brasiliense and its sesquiterpen
Rev. bras. farmacogn.. Publicado em: 2016-06
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31. Deficiency of sex hormones does not affect 17-ß-estradiol-induced coronary vasodilation in the isolated rat heart
The relaxation of coronary arteries by estrogens in the coronary vascular beds of naive and hypertensive rats has been well described. However, little is known about this action in gonadectomized rats. We investigated the effect of 17-ß-estradiol (E2) in coronary arteries from gonadectomized rats, as well as the contributions of endothelium-derived factors
Braz J Med Biol Res. Publicado em: 12/04/2016
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32. Papel do NO na função vascular arterial de peixes entremarés (Girella laevifrons) e peixes marinhos (Isacia conceptionis)
Resumo Estudos anteriores, realizados no peixe intertidal (Girellalaevifrons) no peixe marinho (Isacia conceptionis), mostram que a acetilcolina (Ach) provoca contrações mediadas por ciclooxigenases que eram dependentes da área e potencia da contração em vários vasos arteriais. Tendo em conta que o papel do óxido nítrico é mal compreendido em peixes
Braz. J. Biol.. Publicado em: 05/04/2016
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33. ÓXIDO NÍTRICO E DINÂMICA DE CA2+ EM CARDIOMIÓCITOS: INFLUÊNCIA DA CAPACIDADE DE EXERCÍCIO
RESUMO Introdução: A capacidade intrínseca para o exercício aeróbico está relacionada com o inotropismo cardíaco. Por outro lado, a participação do óxido nítrico (NO) como mensageiro intracelular sobre a dinâmica do Ca2+ ainda permanece desconhecida em ratos com diferentes capacidades intrínsecas para o exercício. Objetivo: Avaliar se o NO
Rev Bras Med Esporte. Publicado em: 2016-02
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34. β-Citronellol, an alcoholic monoterpene with inhibitory properties on the contractility of rat trachea
β-Citronellol is an alcoholic monoterpene found in essential oils such Cymbopogon citratus (a plant with antihypertensive properties). β-Citronellol can act against pathogenic microorganisms that affect airways and, in virtue of the popular use of β-citronellol-enriched essential oils in aromatherapy, we assessed its pharmacologic effects on the contracti
Braz J Med Biol Res. Publicado em: 04/12/2015
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35. Godoy & Godoy Compression Sleeve in the Treatment of Arm Lymphedema: New Concepts for Materials
ABSTRACT The aim of this work was to study on a new low-elastic textile that fulfilled the criteria of fabrics for the manufacture of compression garments to treat lymphedema. The evolution of Godoy & Godoy compression sleeves was performed by following the patients treated for arm lymphedema. Sixty-six patients with ages ranging from 35 to 83 years and a me
Braz. arch. biol. technol.. Publicado em: 2015-12
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36. Mechanisms of the antihypertensive effects of Nigella sativa oil in L-NAME-induced hypertensive rats
OBJECTIVES: This study was conducted to determine whether the blood pressure-lowering effect of Nigella sativa might be mediated by its effects on nitric oxide, angiotensin-converting enzyme, heme oxygenase and oxidative stress markers. METHODS: Twenty-four adult male Sprague-Dawley rats were divided equally into 4 groups. One group served as the control (
Clinics. Publicado em: 2015-11