Rat aorta
Antiserotoninergic activity of 2-aminoethylbenzocyclanones in rat aorta: Structure-activity Relationships
... The activity of these compounds was measured in rat aorta rings stripped of endothelium, a preparation that contains 5-HTz receptors.17 To determine complementary molecula[r] ...
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Calcium antagonism and the vasorelaxation of the rat aorta induced by rotundifolone
... to the release of endothelium-derived relax- ing factors, mainly nitric oxide. The smooth muscle-relaxant activity of ROT was inhib- ited, but not completely abolished by re- moval of the vascular endothelium, by a ...
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Role of endothelium in angiotensin II formation by the rat aorta and mesenteric arterial bed
... rabbit aorta, rat aorta, and rat femoral and caudal arteries, conversion of Ang I to Ang II occurred in the absence of the endothelial layer ...
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Uridine adenosine tetraphosphate induces contraction and relaxation in rat aorta
... of rat aortic rings contracted with ...of rat aorta mediated by P1 receptors may involve the A2A (Lewis et ...endothelium-dependent rat aorta relaxation involves P2Y1- and P2Y2- like ...
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Ovariectomy increases the participation of hyperpolarizing mechanisms in the relaxation of rat aorta.
... in rat aorta 5-months after the loss of ovarian ...in aorta from ovariectomized than from control rats, while ODQ, a guanylate cyclase inhibitor, decreased that response to a similar extent; the ...
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Vasorelaxant effects of the potassium channel opener SR 47063 on the isolated human saphenous vein and rat aorta
... structurally related to levcromakalim, were examined in isolated human saphenous vein (HSV) and rat aorta (RA). HSV or RA rings were precontracted with either KCl or noradrenaline and cumulative relaxant ...
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The Effect of Losartan on Angiotensin II-Induced Cell Proliferation in a Rat Aorta Smooth Muscle Cell Line
... The success of revascularization procedures is limited by recurrent stenosis, which is a narrowing of a blood vessels that results from neo-intimal hyperplasia. The renin-angiotensin-aldosterone system has been ...
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Testosterone downregulates angiotensin II type-2 receptor via androgen receptor-mediated ERK1/2 MAP kinase pathway in rat aorta
... expression relates to androgen status with orchiectomy increasing and testosterone replacement restoring AT 2 R expression in males, but in the females, increasing DHT levels decrease[r] ...
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Vasoconstrictor effect of Africanized honeybee (Apis mellifera L.) venom on rat aorta
... thoracic aorta were removed and immersed in a perfusion medium (Krebs-Henseleit solution) at room ...each aorta was cut transversally into cylindrical ring-like segments (1 x 5 mm) attached to steel wire ...
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effect of Africanized honeybee (Apis mellifera L.) venom on rat aorta
... thoracic aorta were removed and immersed in a perfusion medium (Krebs-Henseleit solution) at room ...each aorta was cut transversally into cylindrical ring-like segments (1 x 5 mm) attached to steel wire ...
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induced by methyl cinnamate, the major constituent of the essential oil of Ocimum micranthum, in rat isolated aorta
... influx through VOCCs, were significantly reduced by E-MC. Second, under the same conditions, E-MC was effective against contractile responses to increasing concentrations of Ba 2+ , an ion that is preferentially permeable ...
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Trans4methoxyβnitrostyrene relaxes rat thoracic aorta through a sGCdependent pathway
... in rat aorta than its structural analog 1-nitro-2-phenylethane, but mediated through a di fferent mechanism, independent of soluble guanylate cyclase (sGC) ...in rat aortic ring ...
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Effects of indoramin in rat vas deferens and aorta: concomitant alpha(1)-adrenoceptor and neuronal uptake blockade
... 1994; Eltze, 1996; Ford et al., 1996; 1997). This increase in the potency of indoramin in vas deferens can be explained by the fact that the control concentration-response curve obtained in the absence of cocaine was ...
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Differential effects of isoproterenol on the activity of angiotensin-converting enzyme in the rat heart and aorta
... the rat aorta decreases after infarction in rats (Mill JG and Cunha V, unpublished results) while it increases in the heart, mainly in the left ventricle ...
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Potassium channels are involved in testosterone-induced vasorelaxation of human umbilical artery
... in rat aorta (Ding and Stallone 2001), 40% in rabbit coronary artery (Yue et ...in rat coronary artery (Jones et ...in rat coronary artery using various concentrations of KCl to pre-constrict ...
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J. Braz. Chem. Soc. vol.28 número7
... Pyrimidines and their derivatives are present in various biologically active molecules. Most of the synthetic methods employed to achieve the pyrimidinone ring consist of two stages: the synthesis of a Michael ...
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Braz. J. Cardiovasc. Surg. vol.22 número4 en v22n4a20
... to-end anastomosis even with tube interposition, besides the high bleeding risk. There was not another alternative except to perform an extra-anatomic bypass between ascending aorta-to-descending thoracic ...
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Hematoma da aorta ascendente.
... Há maior prevalência da doença em homens (61%) com média de idade para o sexo masculino e feminino de 63 e 68, respectivamente, e com antecedentes de hipertensão arterial sistêmica de 53%. A forma não-traumática é a mais ...
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Evolução hemodinâmica da revascularização do miocárdio com dois métodos de proteção miocárdica.
... Em todos os pacientes utilizou-se a canulação da aorta ascendente e das duas veias cavas para a instalação da circulação extracorpórea. Era, en- tão, introduzido um cateter da marca 3M, habitual- mente utilizado ...
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