Distinct role of nox1, nox2, and p47phox in unstimulated versus angiotensin II-induced NADPH oxidase activity in human venous smooth muscle cells.

abstract：:We examined the electromechanical effects of two class III antiarrhythmic agents, dofetilide (UK-68,798) and D-sotalol, in acidic myocardium. Right ventricular papillary muscle preparations isolated from guinea pigs were divided into three groups (n = 6 per group): (a) drug-free, (b) dofetilide (10 nM), and (c) D-sota...

journal_title：Journal of cardiovascular pharmacology

authors： Yang T,Tande PM,Refsum H

更新日期：1992-12-01 00:00:00

abstract：:We previously reported that i.v. DAMGO (Tyr-D-Ala-Gly-NMePhe-Gly-ol), a selective mu-opioid agonist, causes an increase in blood pressure with no change in heart rate in unanesthetized sheep and subsequently demonstrated that DAMGO attenuates baroreflex-mediated bradycardia. To determine the site and mechanism by whic...

journal_title：Journal of cardiovascular pharmacology

authors： Omoniyi AT,Kett A,Wu D,Soong Y,Clapp JF 3rd,Szeto HH

更新日期：2000-02-01 00:00:00

abstract：:The pharmacologic profile of a novel angiotensin I (AT1) receptor antagonist 606A was studied in various in vitro and in vivo preparations. The 606A showed a high affinity at AT1 receptors [inhibition constant (Ki), 12.8 +/- 0.4 nM] in rabbit adrenal cortical membrane and a low affinity to AT2 receptors (Ki, > 1 mM) i...

journal_title：Journal of cardiovascular pharmacology

authors： Hashimoto Y,Harada Y,Narita H,Naito K,Murata S

更新日期：1997-02-01 00:00:00

abstract：:Sarcosyl1, cysteinyl-S-methyl8-angiotensin II [(Sar1, Cys-Me8) Ang II] was examined for antagonism of angiotensin (Ang) responses in isolated rabbit atrial and aortic tissues. (Sar1, Cys-Me8) Ang II competitively antagonized Ang II responses in aorta at a concentration of 5 nM. Concentrations of the antagonist greater...

journal_title：Journal of cardiovascular pharmacology

authors： Trachte GJ,Peach MJ

更新日期：1983-11-01 00:00:00

abstract：:There is increasing interest in initial therapy of hypertension with sympatholytic agents and the influence of antihypertensive therapy on cardiac and renal function. We treated 26 men with essential hypertension with either guanabenz alone (n = 14) or propranolol alone (n = 12) and assessed blood pressure and renal p...

journal_title：Journal of cardiovascular pharmacology

authors： Mosley C,O'Connor DT,Taylor A,Slutsky RA,Cervenka J

更新日期：1984-01-01 00:00:00

abstract：:Sixty patients with mild to moderate essential hypertension, uncontrolled with diuretics alone, were evaluated in a double-blind randomized study that compared the effect of indoramin plus hydrochlorothiazide with that of pindolol plus hydrochlorothiazide. Following a 2-week period during which the patients were treat...

journal_title：Journal of cardiovascular pharmacology

authors： Luomanmäki K,Hartikainen M

更新日期：1986-01-01 00:00:00

abstract：:Pro-arrhythmia by noncardiac drugs has become an important safety concern in the pharmaceutical industry. The most common underlying mechanism for induction of arrhythmias by noncardiac drugs is off-target block of the native cardiac repolarizing current, I Kr. The pore-forming subunit of I Kr is encoded by the human ...

journal_title：Journal of cardiovascular pharmacology

authors： Margulis M,Sorota S

更新日期：2008-06-01 00:00:00

abstract：:Guanfacine 3 mg was infused into six volunteers over 1 h on two occasions to investigate whether its sympatholytic effect is centrally or peripherally mediated. On one occasion, the central effects of guanfacine were blocked by prior administration of idazoxan 0.2 mg/kg i.v. (45 min preguanfacine); central alpha 2-blo...

journal_title：Journal of cardiovascular pharmacology

authors： Brown MJ,Struthers AD,di Silvio L

更新日期：1985-01-01 00:00:00

abstract：:Fourteen patients with mild to moderate essential hypertension were randomized, after a baseline placebo period of 4 weeks, to receive the angiotensin converting enzyme (ACE) inhibitor quinapril or a placebo. During a 12 week, double-blind phase, the dosage of quinapril was increased from 10 to 40 mg twice daily being...

journal_title：Journal of cardiovascular pharmacology

authors： Säynävälammi P,Pörsti I,Pörsti P,Nurmi AK,Seppälä E,Manninen V,Vapaatalo H

更新日期：1988-07-01 00:00:00

abstract：:The cardiovascular effects of intracerebroventricular (i.c.v.) administration of choline were studied in endotoxin-treated rats. Intravenous (i.v.) endotoxin (20 mg/kg) caused a moderate hypotension and tachycardia within 10 min of treatment. Choline (50, 100, and 150 microg; i.c.v.) increased blood pressure and decre...

journal_title：Journal of cardiovascular pharmacology

authors： Savci V,Ulus IH

更新日期：1997-11-01 00:00:00

abstract：:Several 3,5-pyridinedicarboxylic acid [4-(2,3-dichlorophenyl)-1,4-dihydro-2,6-dimethyl-] esters, which are analogs to felodipine, were synthesized and tested for peroral activity and vascular selectivity. Structure-activity relationships demonstrate that felodipine has biological properties (selectivity and oral activ...

journal_title：Journal of cardiovascular pharmacology

authors： Berntsson P,Johansson E,Westerlund C

更新日期：1987-01-01 00:00:00

abstract：:In primarily cultured pig coronary smooth muscle cells, extracellular adenosine triphosphate (ATP; 10(-9) to 10(-3) M) dose-dependently increases intracellular calcium ([Ca2+]i). The [Ca2+]i transients measured by fura-2 fluorescence consist of peak and plateau phases with [Ca2+]i values of 191.84 +/- 5.67 nM (n = 10)...

journal_title：Journal of cardiovascular pharmacology

authors： Seiler L,Matyas S,Fleckenstein-Grün G

更新日期：1999-05-01 00:00:00

abstract：:Endothelial dysfunction is the pathophysiologic principle involved in the initiation and progression of arteriosclerosis, thus endothelial function serves as a "barometer" for cardiovascular health that can be used for the evaluation of new therapeutic strategies. This review provides an introduction to the concept of...

journal_title：Journal of cardiovascular pharmacology

authors： Heiss C,Schroeter H,Balzer J,Kleinbongard P,Matern S,Sies H,Kelm M

更新日期：2006-01-01 00:00:00

abstract：:No single pathophysiologic mechanism explains adequately cold-induced vasospasm in all forms of Raynaud's phenomenon. Local serotonin release from activated platelets is a contributory element in those disorders typified by structural arterial change, e.g., systemic sclerosis (scleroderma). Selective antagonism of S2-...

journal_title：Journal of cardiovascular pharmacology

authors： Seibold JR

更新日期：1985-01-01 00:00:00

abstract：:Three agents with K(+)-channel-opening activity--nicorandil, bimakalim (EMD 52692), and EMD 56431--were tested for vasorelaxation abilities in human coronary artery and human arteria mammaria. The potency orders were bimakalim = EMD 56431 > nicorandil for relaxation in human coronary artery and bimakalim = EMD 56431 >...

journal_title：Journal of cardiovascular pharmacology

authors： Bossaller C,Auch-Schwelk W,Graf K,Gräfe M,Catadelgirmen G,Ennker J,Fleck E

更新日期：1992-01-01 00:00:00

abstract：:Calcium channel blockers (CCBs) have variable efficacy in the treatment of heart failure. We hypothesized that modulation of left ventricular diastolic pressure (LVDP) may play a role in the variable efficacy of CCBs in this condition. Isolated perfused hearts from 200- to 250-day-old UM-X7.1 cardiomyopathic hamsters ...

journal_title：Journal of cardiovascular pharmacology

authors： Beaucage P,Massicotte J,Boileau JF,Dumont L

更新日期：2003-07-01 00:00:00

abstract：:We investigated the role of endothelin-A (ETA) and endothelin-B (ETB) receptors in ischemia/reperfusion-induced cardiac dysfunction and norepinephrine overflow using isolated rat hearts. According to the Langendorff technique, isolated hearts were subjected to 40 minutes of global ischemia followed by 30 minutes of re...

journal_title：Journal of cardiovascular pharmacology

authors： Yamamoto S,Matsumoto N,Kanazawa M,Fujita M,Takaoka M,Matsumura Y

更新日期：2004-11-01 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

abstract：:The purpose of this study was to investigate the renal effects of aranidipine, a novel calcium channel blocker of the dihydropyridine type, and its active metabolite in anesthetized dogs and conscious spontaneously hypertensive rats (SHRs). When infused into the renal artery in anesthetized dogs, aranidipine (0.03 mic...

journal_title：Journal of cardiovascular pharmacology

authors： Ichihara K,Okumura K,Kamei H,Nagasaka M,Kanda A,Kanno T,Miyoshi K,Miyake H

更新日期：1998-02-01 00:00:00

abstract：:A randomized, double-blind, parallel-group study comparing the efficacy and tolerability of once-daily diltiazem capsules with amlodipine tablets in patients with stable angina. After a run-in period of 1 to 3 weeks, 34 patients received once-daily diltiazem and 33 patients received amlodipine. Patients received eithe...

journal_title：Journal of cardiovascular pharmacology

authors： Chugh SK,Digpal K,Hutchinson T,McDonald CJ,Miller AJ,Lahiri A

更新日期：2001-09-01 00:00:00

abstract：:Acetazolamide (ACTZ) vasodilating properties are used for the assessment of cerebral vasodilatory reserve not only in cerebral pathology investigation, but also in clinical pharmacology studies. However, the kinetics of these vasodilating properties are not clearly established; moreover, the cerebral selectivity of AC...

journal_title：Journal of cardiovascular pharmacology

authors： Démolis P,Chalon S,Giudicelli JF

更新日期：1995-11-01 00:00:00

abstract：:Platelet-derived growth factor (PDGF), a potent mitogen and chemoattractant for smooth muscle cells and fibroblasts in culture, is believed to play an important role in the formation of proliferative lesions of arterio-sclerosis. PDGF appears as three different dimeric isoforms: AA, AB, and BB. These were recently fou...

journal_title：Journal of cardiovascular pharmacology

authors： Hosang M,Rouge M

更新日期：1989-01-01 00:00:00

abstract：:Experiments were carried out on isolated canine right atria to investigate the effects of N-(2-hydroxyethyl)nicotinamide nitrate (nicorandil, SG-75) and its interaction with beta-adrenoceptor stimulation on the cyclic nucleotide levels accompanying inotropic changes. The results were compared with those during muscari...

journal_title：Journal of cardiovascular pharmacology

authors： Endoh M,Iijima T

更新日期：1983-09-01 00:00:00

abstract：:Calcium antagonists can be used with a number of other antihypertensive compounds. The combined use of a dihydropyridine calcium antagonist and beta-blocker is well established and is probably the most efficacious combination for routine use. Angiotensin-converting enzyme (ACE) inhibitors may also constitute a suitabl...

journal_title：Journal of cardiovascular pharmacology

authors： Hansson L,Himmelmann A

更新日期：1991-01-01 00:00:00

abstract：:Bay k 8644, a new dihydropyridine calcium channel activator has been shown to have positive inotropic and vasoconstrictor properties following intravenous (i.v.) administration. In the present study, intracoronary administration of Bay k 8644 was used to isolate drug effects on regional myocardial blood flow and contr...

journal_title：Journal of cardiovascular pharmacology

authors： Pelc LR,Gross GJ,Brooks HL,Warltier DC

更新日期：1986-11-01 00:00:00

abstract：:The hypotensive effects of ketanserin, a selective blocker of 5-hydroxytryptamine2, are well defined, but its electrophysiologic effects in humans are not. Intravenous ketanserin (0.15 mg/kg) was therefore given to 10 patients undergoing electrophysiologic evaluation, and data were obtained before and after drug admin...

journal_title：Journal of cardiovascular pharmacology

authors： Nademanee K,Lockhart E,Pruitt C,Singh BN

更新日期：1987-01-01 00:00:00

abstract：:The similarity between the metabolic pathways of serotonin in platelets and serotoninergic nerve endings has often been emphasized. The turnover of serotonin was therefore investigated in two diseases: hypertension (as central serotoninergic neurones appear to modulate central sympathetic nervous activity) and depress...

journal_title：Journal of cardiovascular pharmacology

authors： Baudouin-Legros M,Le Quan-Bui KH,Guicheney P,Kamal LA,Meyer P

更新日期：1985-01-01 00:00:00

abstract：:The vulnerable period (VP) is an interval of time during the cardiac cycle within which premature stimulation may lead to trains of responses (one: many stimulus-response coupling). Although the VP parallels the recovery of sodium channel availability, modulators of its boundaries remain unclear. Numerical studies of ...

journal_title：Journal of cardiovascular pharmacology

authors： Nesterenko VV,Lastra AA,Rosenshtraukh LV,Starmer CF

更新日期：1992-05-01 00:00:00

abstract：:Neonatal exposure to a selective serotonin reuptake inhibitor (SSRI) leads to decreased left ventricular volumes and sympathetic activation in adult mice. We hypothesized this neonatal SSRI exposure-induced small left heart syndrome would increase post-myocardial infarction (MI) morbidity and mortality. C57BL/6 mice r...

journal_title：Journal of cardiovascular pharmacology

authors： Haskell SE,Peotta VA,Reinking BE,Hermann GM,Roghair RD

更新日期：2013-11-01 00:00:00

abstract：:In this study, the authors sought to evaluate the mechanisms responsible for echocardiographically determined differences in cardiac structure and function between conscious and anesthetized mice to determine whether such differences were more or less evident in diseased states. Cardiac parameters were determined by t...

journal_title：Journal of cardiovascular pharmacology

authors： Tan TP,Gao XM,Krawczyszyn M,Feng X,Kiriazis H,Dart AM,Du XJ

更新日期：2003-08-01 00:00:00