Vascular smooth muscle: availability of calcium through alpha-adrenoceptor stimulation.

abstract：:As part of the Amlodipine Cardiovascular Community Trial (ACCT), which was a large multicenter study designed to assess the effects of the calcium channel blocker amlodipine besylate (Norvasc) as monotherapy for treatment of mild to moderate hypertension, we sought to determine the effects of amlodipine on regression ...

journal_title：Journal of cardiovascular pharmacology

authors： Kloner RA,Sowers JR,DiBona GF,Gaffney M,Wein M

更新日期：1995-09-01 00:00:00

abstract：:Alpha 2-adrenoceptor agonists are effective antihypertensive drugs that may provide particular advantages in the treatment of many types of patients. Of those now available, guanabenz has been shown to lower serum cholesterol concentration and not to cause sodium and water retention, offering additional protection aga...

journal_title：Journal of cardiovascular pharmacology

authors： Kaplan NM

更新日期：1985-01-01 00:00:00

abstract：:The antihypertensive effect of the combination of ketanserin, a new antiserotonergic agent, and thiazide has been evaluated in 35 patients with arterial hypertension of mild to moderate degree in the greater than 50-year-old age group. Twenty patients were given ketanserin (20 mg) + hydrochlorothiazide (25 mg) (treatm...

journal_title：Journal of cardiovascular pharmacology

authors： Ferrara LA,Fasano ML,Soro S,Pasanisi F,Mancini M

更新日期：1987-01-01 00:00:00

abstract：:A dyshomeostasis of extra- and intracellular Ca(2+) and Zn(2+) occurs in rats receiving chronic aldosterone/salt treatment (ALDOST). Herein, we hypothesized that the dyshomeostasis of intracellular Ca(2+) and Zn(2+) is intrinsically coupled that alters the redox state of cardiac myocytes and mitochondria, with Ca(2+) ...

journal_title：Journal of cardiovascular pharmacology

authors： Kamalov G,Deshmukh PA,Baburyan NY,Gandhi MS,Johnson PL,Ahokas RA,Bhattacharya SK,Sun Y,Gerling IC,Weber KT

更新日期：2009-05-01 00:00:00

abstract：:Rapamycin (RAPA) is an antifungal antibiotic with interesting new immunosuppressive properties. We evaluated RAPA's effects in vitro on basal and stimulated tension of isolated intact or denuded rat aortic rings. Rings were prepared in an organ chamber and contracted with 40 mM KCl (reference 100%). Some rings were tr...

journal_title：Journal of cardiovascular pharmacology

authors： Corbin F,Blaise GA,Parent M,Chen H,Daloze PM

更新日期：1994-11-01 00:00:00

abstract：ABSTRACT:Establishing efficient perfusion into the myocardium is the main purpose in patients with acute coronary syndrome, but the process of reperfusion is not without risk and can damage the myocardium paradoxically. Unfortunately, there is no effective treatment for reperfusion injury, and efforts to find an effici...

journal_title：Journal of cardiovascular pharmacology

authors： Kakavand H,Aghakouchakzadeh M,Coons J,Talasaz AH

更新日期：2021-01-04 00:00:00

abstract：:Spirapril is a new angiotensin-converting enzyme (ACE) inhibitor. It is a prodrug with a resorption of about 50%. The active metabolite spiraprilat reaches maximal plasma concentration within 2-3 h after oral administration. Spirapril can be administered once daily because of its long duration of action caused by an e...

journal_title：Journal of cardiovascular pharmacology

authors： Hayduk K,Kraul H

更新日期：1999-08-01 00:00:00

abstract：:It has been recently suggested that atrial natriuretic factor (ANF) might be involved in the physiological regulation of pulmonary circulation. Therefore, we investigated the pulmonary hemodynamic response to 20-min infusions of 0.05, 0.1, and 0.2 micrograms kg-1 min-1 of alpha human ANF in five dogs alternatively ven...

journal_title：Journal of cardiovascular pharmacology

authors： Vachiery JL,Lejeune P,Brimioulle S,Debiève MF,Abramow M,Naeije R

更新日期：1989-12-01 00:00:00

abstract：:Analysis of the circadian distributions of silent ischemic episodes and myocardial infarction has revealed a circadian variability with peak event incidences in the morning hours after awakening. This morning peak of ischemic events is paralleled by circadian variations of blood pressure and heart rate that reflect an...

journal_title：Journal of cardiovascular pharmacology

authors： Kiowski W,Osswald S

更新日期：1993-01-01 00:00:00

abstract：:The effects of SIN-1 were studied on isolated aortic rings and perfused hindquarters of the rat and were compared with the effects of nitroglycerin and endothelium-derived relaxing factor (EDRF) released by acetylcholine or histamine (aorta) and carbachol (hindquarters). SIN-1 relaxes rat aortic rings in a dose-depend...

journal_title：Journal of cardiovascular pharmacology

authors： Van de Voorde J,Claeys M,Leusen I

更新日期：1989-01-01 00:00:00

abstract：:Endothelin (ET) receptor subtypes in human prostate with benign prostatic hyperplasia were investigated by binding and functional studies. In the displacement experiment, LU224332 [endothelin-A/-B (ET(A)/ET(B)) nonselective antagonist] competed for [125I]ET-1 binding with a monophasic curve. On the other hand, LU13525...

journal_title：Journal of cardiovascular pharmacology

authors： Hiraoka Y,Oshita M,Morikawa K,Nagata O,Hahn KJ,Hahn A,Okada K,Taniguchi T,Muramatsu I

更新日期：2000-11-01 00:00:00

abstract：:Increased expression of plasminogen activator inhibitor type-I (PAI-1) in vessel walls seems to accelerate atherosclerosis. Angiotensin II can increase the synthesis of PAI-1. Inhibition of this process may facilitate migration of vascular smooth muscle cells (VSMCs) stabilizing atherosclerotic plaques. To determine w...

journal_title：Journal of cardiovascular pharmacology

authors： French CJ,Zaman AK,Sobel BE

更新日期：2011-08-01 00:00:00

abstract：:We investigated the effects of nifedipine on cyclic GMP turnover and the pertinent enzyme activities in cultured coronary smooth muscle cells (SMC). Nifedipine at high concentrations slightly decreased basal soluble guanylate cyclase activity and inhibited the action of sodium nitroprusside (SNP) but had no effect on ...

journal_title：Journal of cardiovascular pharmacology

authors： Kishi Y,Watanabe T,Makita T,Sakita S,Watanabe R,Ashikaga T,Numano F

更新日期：1995-10-01 00:00:00

abstract：:The pharmacologic properties of a novel nonpeptide endothelin (ET) receptor antagonist, S-1255 ([R]-[+]-2-[benzo(1,3)dioxol-5-yl]-6-isopropyl-4-[4-methoxyphenyl]-2H-chromene-3-carboxylic acid), was studied. [3H]S-1255 specifically bound to porcine aortic smooth muscle membranes expressing only ET(A) receptors with a K...

journal_title：Journal of cardiovascular pharmacology

authors： Iwasaki T,Mihara S,Shimamura T,Kawakami M,Masui M,Hayasaki-Kajiwara Y,Naya N,Ninomiya M,Fujimoto M,Nakajima M

更新日期：2001-04-01 00:00:00

abstract：:KATP channels are a complex of regulatory sulfonylurea receptor subunits and the pore-forming inward rectifiers such as Kir6.1. Using the whole-cell patch-clamp technique, we investigated the interaction of nicotine with the Kir6.1 subunit as well as the underlying mechanism. Stable expression of Kir6.1 in HEK-293 cel...

journal_title：Journal of cardiovascular pharmacology

authors： Hanna ST,Cao K,Sun X,Wang R

更新日期：2005-05-01 00:00:00

abstract：:We studied the effects of felodipine [4-(2,3-dichlorophenyl)-1,4-dihydropyridine-2,6-dimethyl 3,5-dicarboxylic 3-ethylester and 5-methylester] on the coronary vascular bed of pig hearts with an ischemic region in the left ventricle following ligation of the left anterior descending coronary artery. At an infusion rate...

journal_title：Journal of cardiovascular pharmacology

authors： Sjöquist PO,Adler G,Duker G,Almgren O

更新日期：1983-03-01 00:00:00

abstract：:The relationship between sodium sensitivity and borderline hypertension was explored in 63 subjects. Thirty percent of those with borderline hypertension and 15% of normal subjects increased mean arterial pressure by more than 5% when daily sodium intake was increased from 10 to 200 mEq. While most displayed an increa...

journal_title：Journal of cardiovascular pharmacology

authors： Sullivan JM

更新日期：1986-01-01 00:00:00

abstract：:We investigated the effects of the ATP-dependent K+ channel antagonist glyburide and the ATP-dependent K+ channel agonist pinacidil in a Langendorff-perfused rabbit isolated heart subjected to a period of global hypoxia. A class III antiarrhythmic drug, E-4031, also was studied in this model. These studies aimed to de...

journal_title：Journal of cardiovascular pharmacology

authors： Chi L,Black SC,Kuo PI,Fagbemi SO,Lucchesi BR

更新日期：1993-02-01 00:00:00

abstract：:Cilostazol, a potent phosphodiesterase 3 inhibitor and anti-thrombotic agent, was recently shown to inhibit adenosine uptake into cardiac myocytes and vascular cells. In the present studies, cilostazol inhibited [ H]-adenosine uptake in both platelets and erythrocytes with a median inhibitory concentration (IC ) of 7 ...

journal_title：Journal of cardiovascular pharmacology

authors： Sun B,Le SN,Lin S,Fong M,Guertin M,Liu Y,Tandon NN,Yoshitake M,Kambayashi J

更新日期：2002-10-01 00:00:00

abstract：:Dilevalol, the stereoisomer of labetalol, was given in repeated incremental intravenous bolus injections to 10 patients with severe hypertension requiring urgent blood pressure lowering. The mean cumulative dose of dilevalol was 445 +/- 165 mg. Blood pressure was reduced from 201 +/- 33/131 +/- 13 to 150 +/- 12/109 +/...

journal_title：Journal of cardiovascular pharmacology

authors： Bursztyn M,Gavras I,Blasucci DJ,Gavras H

更新日期：1989-05-01 00:00:00

abstract：:Plasma homocysteine levels increase in humans treated with fibrates but the molecular mechanisms are unknown. The goal of the present study was to determine the mechanism of this increase using animal models. Firstly, an increase in homocysteine was observed in mice treated with fenofibrate irrespective of the genetic...

journal_title：Journal of cardiovascular pharmacology

authors： Luc G,Jacob N,Bouly M,Fruchart JC,Staels B,Giral P

更新日期：2004-03-01 00:00:00

abstract：:The purpose of this study was to examine whether tetrahydrobiopterin (BH4), one of the cofactors of nitric oxide (NO) synthase, attenuates endothelial cell death induced by 3-morpholinosydnonimine-N-ethylcarbamide (SIN-1), which is known to produce both superoxide and NO. Endothelial cell death was assessed by the rel...

journal_title：Journal of cardiovascular pharmacology

authors： Ishii M,Shimizu S,Momose K,Yamamoto T

更新日期：1999-02-01 00:00:00

abstract：:We studied the acute effects of transmitter release induced by intracisternal (i.c.) 6-hydroxydopamine (6-OHDA) from mainly noradrenergic (NA) neurons and by 5,6-dihydroxytryptamine (5,6-DHT) from serotonergic (5HT) neurons. Each group of neurons affects blood pressure and heart rate in conscious rabbits through both ...

journal_title：Journal of cardiovascular pharmacology

authors： Korner PI,Head GA,Badoer E,Bobik A,Angus JA

更新日期：1987-01-01 00:00:00

abstract：:The effect of the new vasodilatory and antianginal compound, bepridil (CERM-1978), was examined on the electrical activity of the vascular smooth muscle of isolated dog coronary arteries. Tetraethylammonium (10 mM) was used to induce excitability in the muscle in the form of Ca2+-dependent overshooting action potentia...

journal_title：Journal of cardiovascular pharmacology

authors： Harder DR,Sperelakis N

更新日期：1981-07-01 00:00:00

abstract：:By using red wine (RW), dealcoholized red wine (DARW), polyphenols-stripped red wine (PSRW), ethanol-water solution (ET), and water (W), the role of wine polyphenols, ethanol, and urate on vascular function was examined in humans (n = 9 per beverage) and on isolated rat aortic rings (n = 9). Healthy males randomly con...

journal_title：Journal of cardiovascular pharmacology

authors： Boban M,Modun D,Music I,Vukovic J,Brizic I,Salamunic I,Obad A,Palada I,Dujic Z

更新日期：2006-05-01 00:00:00

abstract：:The propyl derivative of ajmaline, N-n-propylajamaline (prajmalium), is an antiarrhythmic compound that lacks the commonly reported negative inotropic effects of all others under clinical use. The present study was undertaken to establish and understand its effects at the cellular level in mammalian preparations. Elec...

journal_title：Journal of cardiovascular pharmacology

authors： Alvarez JL,Rubio L,Garrido G,Vassort G

更新日期：1992-07-01 00:00:00

abstract：:The aim of the study was to compare the effects of atenolol (50 mg b.i.d.), verapamil (80 mg b.i.d.), xamoterol (200 mg b.i.d.), and matching placebo on heart rate (HR) and exercise tolerance in digitalised patients with chronic atrial fibrillation. Each treatment was taken for 4 weeks, and digoxin was continued throu...

journal_title：Journal of cardiovascular pharmacology

authors： Lewis RV,McMurray J,McDevitt DG

更新日期：1989-01-01 00:00:00

abstract：:Prostaglandin E1 (PGE1) has been reported to be a coronary vasodilator and has been considered clinically in the treatment of coronary vasospasm, but its mechanism of action is not known. To evaluate the vasomotor effect of PGE1, epicardial coronary and distal resistance vessel responses were compared by PGE1 and nitr...

journal_title：Journal of cardiovascular pharmacology

authors： Miller WL,Bove AA

更新日期：1989-08-01 00:00:00

abstract：:There are several first choices for mild and moderate hypertension. The selection of a drug may of course be influenced by concomitant pathology, with positive indications for particular drugs: for coexistent angina, a beta-receptor blocking drug or a calcium antagonist; for fluid retention, a diuretic; or for contrai...

journal_title：Journal of cardiovascular pharmacology

authors： Prichard BN

更新日期：1987-01-01 00:00:00

abstract：:To investigate the effects of ramipril, a new angiotensin converting enzyme inhibitor, on autonomic function, autonomic function tests were performed in eight healthy male subjects, aged 22-26 years, after single oral administration of 5 mg of ramipril or placebo, in a randomized, double-blind, crossover design. Measu...

journal_title：Journal of cardiovascular pharmacology

authors： Sugimoto K,Kumagai Y,Tateishi T,Seguchi H,Ebihara A

更新日期：1989-01-01 00:00:00