Mechanisms underlying the sympathomimetic cardiovascular responses elicited by gamma-hydroxybutyrate.

abstract：:Ferulic acid is a simple phenolic acid commonly present in cereals. In this study, changes in heart and kidney structure and function were measured in young N(ω)-nitro-L-arginine methyl ester (L-NAME)-treated Wistar rats and 10-month-old spontaneously hypertensive rats (SHR) alone and after chronic treatment with feru...

journal_title：Journal of cardiovascular pharmacology

authors： Alam MA,Sernia C,Brown L

更新日期：2013-03-01 00:00:00

abstract：:Currently used antiplatelet drugs including aspirin, ticlopidine, and others are effective against certain but not all of the many endogenous platelet activators. Because of their limited efficacy, a significant number of serious thromboembolic complications still occur, highlighting the need for a more effective ther...

journal_title：Journal of cardiovascular pharmacology

authors： Mousa SA,Forsythe M,Wityak J,Bozarth J,Mu DX

更新日期：1998-03-01 00:00:00

abstract：:Some recent studies complementing earlier reports on the pharmacology and pharmacokinetics of indoramin are briefly reviewed. Competitive blockade of peripheral postsynaptic alpha 1-adrenoceptors is confirmed as the primary mechanism for the antihypertensive activity of indoramin. Various reasons have been proposed to...

journal_title：Journal of cardiovascular pharmacology

authors： Archibald JL

更新日期：1986-01-01 00:00:00

abstract：:We investigated the endothelin (ET) receptors involved in the vasoconstrictor responses to ET-1 in rat pulmonary arteries and arterioles and the effect of endothelium removal, nitric oxide (NO) synthase inhibition, and hypoxia on ET-1-induced responses in the arteries. In isolated rat pulmonary artery rings (2-3 mm ID...

journal_title：Journal of cardiovascular pharmacology

authors： MacLean MR,McCulloch KM,Baird M

更新日期：1994-05-01 00:00:00

abstract：:This study investigated the effect of pioglitazone, an insulin sensitizer, on metabolic abnormalities and oxidative stress as a cause of myocardial collagen accumulation in prediabetic rat hearts. Twenty male diabetic rats and 9 male nondiabetic age-matched rats were used. The diabetic rats were divided into two group...

journal_title：Journal of cardiovascular pharmacology

authors： Tsuji T,Mizushige K,Noma T,Murakami K,Ohmori K,Miyatake A,Kohno M

更新日期：2001-12-01 00:00:00

abstract：:This study investigated whether glibenclamide exerts a defibrillatory action and if this action is mediated by a blockade of ATP-sensitive K+ channels (K(ATP)) or by an anti-free radical mechanism. Aerobically perfused isolated rat hearts were subjected to 10 min of pacing-induced ventricular fibrillation (VF) followe...

journal_title：Journal of cardiovascular pharmacology

authors： Csonka C,Onody A,Csont T,Ferdinandy P

更新日期：2003-06-01 00:00:00

abstract：:The function of presynaptic angiotensin II receptors at postganglionic sympathetic terminal axons under conditions of uninterrupted sympathetic impulse traffic was studied in anesthetized rabbits (alfadolone + alfaxalone). Mean arterial pressure, postganglionic renal sympathetic firing rate, the arterial plasma noradr...

journal_title：Journal of cardiovascular pharmacology

authors： Szabo B,Hedler L,Schurr C,Starke K

更新日期：1990-06-01 00:00:00

abstract：:The effects of the adrenergic antihypertensive drugs propranolol, clonidine, alpha-methyldopa, urapidil, indoramin, and prazosin on the relative rate of sterol synthesis were studied in freshly isolated human mononuclear leukocytes. Incubation of cells for 6 h in a medium containing lipid-depleted serum led to a three...

journal_title：Journal of cardiovascular pharmacology

authors： Krone W,Müller-Wieland D,Greten H

更新日期：1985-11-01 00:00:00

abstract：:MCI-154 is a potent nonglycoside and non-sympathomimetic cardiotonic agent with a pyridazinone structure. We assessed its cardiac and coronary vasodilator effects by use of isolated, blood-perfused papillary muscle, sinoatrial (SA) node, and atrioventricular (AV) node preparations of dogs. The drug (1-100 nmol) was in...

journal_title：Journal of cardiovascular pharmacology

authors： Hosono M,Taira N

更新日期：1987-12-01 00:00:00

abstract：:A great number of calcium antagonists are available for the treatment of cardiovascular diseases. Differences in pharmacodynamic and/or pharmacokinetic properties can be used to optimize therapy in patients and to minimize side effects. In contrast to all dihydropyridine (DHP) derivatives, drugs of the verapamil type ...

journal_title：Journal of cardiovascular pharmacology

authors： Borchard U

更新日期：1994-01-01 00:00:00

abstract：:Ethanol can affect the regulation of liver hemodynamics through the release of vasoactive mediators such as nitric oxide and endothelins (ETs). The purpose of this study was to investigate the effects of ethanol on the changes in arterial and portal perfusion pressure induced by ET receptor activation. Ethanol signifi...

journal_title：Journal of cardiovascular pharmacology

authors： Faro F,Ferraz JG,Stella HJ,Faro R,Antunes E,Opgennorth TJ,Withrington PG,de Nucci G

更新日期：1998-01-01 00:00:00

abstract：:Desethylamiodarone (DA) is a major metabolite of amiodarone (AM), a Class III antiarrhythmic drug. The plasma pharmacokinetics and tissue distribution of AM and DA (10 mg/kg i.v.) were compared in anesthetized dogs. Plasma, white blood cell (WBC), red blood cell (RBC), liver, and skeletal muscle samples were obtained ...

journal_title：Journal of cardiovascular pharmacology

authors： Bandyopadhyay S,Somani P

更新日期：1987-10-01 00:00:00

abstract：:The disposition of amlodipine, a new calcium-channel blocker with a slow onset and long duration of action, has been investigated in humans and in the animal species used in the evaluation of drug efficacy and safety. Pharmacokinetic studies were conducted with nonlabeled drug using specific high-pressure liquid chrom...

journal_title：Journal of cardiovascular pharmacology

authors： Stopher DA,Beresford AP,Macrae PV,Humphrey MJ

更新日期：1988-01-01 00:00:00

abstract：:The force generators in myocardial cells of rats and rabbits can exist in three different states: relaxed and calcium unresponsive; relaxed and calcium responsive; and contracted. The transition between the two calcium responsive states is produced by the abrupt rise in the concentration of calcium ions during activat...

journal_title：Journal of cardiovascular pharmacology

authors： Winegrad S,McClellan G,Weisberg A,Lin LE,Weindling S

更新日期：1986-01-01 00:00:00

abstract：:beta-Adrenoceptor antagonists such as propranolol and atenolol ameliorate the symptoms of human hyperthyroidism. We wished to define whether the cardiac changes of hyperthyroidism are attenuated by treatment with the beta-adrenoceptor antagonist atenolol. Rats were treated with triiodothyronine (T3) [1 mg/kg/day subcu...

journal_title：Journal of cardiovascular pharmacology

authors： Amos G,Kerr D,Sernia C,Brown L

更新日期：1994-08-01 00:00:00

abstract：:Endothelium-dependent vasodilation is reduced in the forearm of patients with essential hypertension. To evaluate whether endothelium-dependent vasodilation is also reduced in the skin microcirculation of patients with essential hypertension, we evaluated the effect of acetylcholine, an endothelium-dependent vasodilat...

journal_title：Journal of cardiovascular pharmacology

authors： Rossi M,Taddei S,Fabbri A,Tintori G,Credidio L,Virdis A,Ghiadoni L,Salvetti A,Giusti C

更新日期：1997-03-01 00:00:00

abstract：:Endothelium-derived relaxing factor (EDRF) and donors of nitric oxide (NO) (glyceryl trinitrate, SIN-1--a metabolite of molsidomine--S-nitroso-N-acetyl-penicillamine, and sodium nitroprusside) but not prostacyclin and its analog, iloprost, relax strips of rabbit aorta. Strips of human coronary artery also relax when e...

journal_title：Journal of cardiovascular pharmacology

authors： Gryglewski RJ,Korbut R,Trabka-Janik E,Zembowicz A,Trybulec M

更新日期：1989-01-01 00:00:00

abstract：:This study examined the effect of Vitis vinifera grape skin ACH09 extract (ACH09) on metabolic disorders and oxidative stress in adult offspring of rats fed a high-fat diet (HF) during lactation. Four groups of female rats were fed: control diet (7% fat); ACH09 (7% fat + 200 mg·kg·d ACH09 orally); HF (24% fat); HF+ AC...

journal_title：Journal of cardiovascular pharmacology

authors： Emiliano AF,de Cavalho LC,da Silva Cristino Cordeiro V,da Costa CA,de Oliveira PB,Queiroz EF,Col Moreira DD,Boaventura GT,de Moura RS,Resende AC

更新日期：2011-09-01 00:00:00

abstract：:This randomized, double-blind, parallel-group study compared felodipine and hydrochlorothiazide (HCT) given in addition to a beta-blocker in 134 elderly hypertensive patients aged 56-79 years (mean of 66 +/- 5 years). In the felodipine-treated group (n = 57), supine blood pressure (BP) was reduced from 171 +/- 16/101 ...

journal_title：Journal of cardiovascular pharmacology

authors： Weissel M,Stanek B,Flygt G

更新日期：1990-01-01 00:00:00

abstract：:Torsades de pointes ventricular tachycardia (VT) has been reported in patients taking the nonsedating antihistamine, terfenadine. We performed electrophysiologic studies of 14 isolated guinea pig hearts using the Langendorff technique to assess whether terfenadine exerted actions that could be responsible for inducing...

journal_title：Journal of cardiovascular pharmacology

authors： Pinney SP,Koller BS,Franz MR,Woosley RL

更新日期：1995-01-01 00:00:00

abstract：:Acute bromocriptine administration reduced sitting and standing blood pressure and produced severe orthostatic hypotension in 12 normal subjects. Concomitantly, there was an increase in venous distensibility and basal blood flow, and a decrease in peripheral vascular resistance, as determined by forearm plethysmograph...

journal_title：Journal of cardiovascular pharmacology

authors： Johns DW,Ayers CR,Carey RM

更新日期：1984-07-01 00:00:00

abstract：:Pinacidil is one of a number of new antihypertensive agents possessing an action that involves an enhanced potassium efflux in cardiac and vascular smooth muscle. An associated feature of pinacidil is a shortening of the cardiac action potential duration, which may constitute a potentially proarrhythmic effect. The pr...

journal_title：Journal of cardiovascular pharmacology

authors： Chi L,Uprichard AC,Lucchesi BR

更新日期：1990-03-01 00:00:00

abstract：:The electrophysiologic effects of acutely and chronically administered amiodarone on canine Purkinje fibers were assessed using microelectrode techniques to record intracellular action potentials. Chronically treated dogs received amiodarone for 3 weeks (serum levels, 0.91 +/- 0.09 microgram/ml or 1.42 X 10(-6) M). Ac...

journal_title：Journal of cardiovascular pharmacology

authors： Gallagher JD,Bianchi J,Gessman LJ

更新日期：1989-05-01 00:00:00

abstract：:The aim of this study was to determine whether tumor necrosis factor (TNF)-alpha would impair basal and stimulated endothelium-dependent vasomotion in human resistance vessel. Changes in baseline and acetylcholine (ACh)-induced forearm vascular resistance (FVR) were measured plethysmographically before and after a low...

journal_title：Journal of cardiovascular pharmacology

authors： Nakamura M,Yoshida H,Arakawa N,Saitoh S,Satoh M,Hiramori K

更新日期：2000-10-01 00:00:00

abstract：:Pentoxifylline possesses vasodilator properties, but little information is available on the mechanism of action explaining this vasodilator effect. The present experiments were designed to determine the effects of the compound on vascular smooth muscle, endothelium, and adrenergic nerves in rings of isolated canine bl...

journal_title：Journal of cardiovascular pharmacology

authors： Hoeffner U,Aarhus LL,Katusic ZS,Vanhoutte PM

更新日期：1989-12-01 00:00:00

abstract：:Early studies in experimental animals and in humans indicated the need to examine the feasibility of infarct size reduction by the early treatment of patients recruited to well-designed clinical trials. The extensive experience with beta-adrenoceptor blockers and the comparatively recent data generated with the use of...

journal_title：Journal of cardiovascular pharmacology

authors： Fitzsimons TJ

更新日期：1989-01-01 00:00:00

abstract：:We have developed three radioimmunoassays (RIAs) of varying specificities toward the endothelin (ET) isoforms. The assays are called the endothelin-1,2[125I] assay system (RPA535), the endothelin 1-21 Specific [125I] assay system (RPA555), and the endothelin-1,2 high-sensitivity [125I] assay system (RPA545). We have f...

journal_title：Journal of cardiovascular pharmacology

authors： Capper SJ,Ella SJ,Kalinka S

更新日期：1991-01-01 00:00:00

abstract：:The aim of this study was to determine whether a quantitative relation exists between changes in regional myocardial blood flow (RMBF) and those in electrophysiologic determinants recorded via left ventricular endocardial and epicardial bipolar electrograms after administration of disopyramide (DP) and a class III ant...

journal_title：Journal of cardiovascular pharmacology

authors： Tanabe T,Iwamoto T,Iwata O,Aikawa M,Kusuzaki S,Handa S,Shinozaki Y,Mori H

更新日期：1999-08-01 00:00:00

abstract：:Dihydropyridine calcium antagonists play an important role in the treatment of arterial hypertension. In many centers, they are used as first-line treatment. Since impaired renal function can be a complication of long-standing blood pressure elevation, the usefulness of dihydropyridine calcium antagonists in hypertens...

journal_title：Journal of cardiovascular pharmacology

authors： Hansson LH

更新日期：1989-01-01 00:00:00

abstract：:Beta-adrenoceptor antagonists (beta-blockers) are commonly used in clinical pharmacotherapy of cardiovascular diseases. Carvedilol and nebivolol possess beneficial effects on myocardial function in situations of oxidative stress associated with intracellular calcium overload. This preservation of contractile function ...

journal_title：Journal of cardiovascular pharmacology

authors： Zeitz O,Rahman A,Hasenfuss G,Janssen PM

更新日期：2000-07-01 00:00:00