abstract：:NSP-513, a novel potent and selective phosphodiesterase 3 (PDE 3) inhibitor, and cilostazol, a previously developed PDE 3 inhibitor, were compared with respect to antiplatelet, antithrombotic, and hemodynamic effects. In the in vitro antiplatelet aggregation studies, NSP-513 and cilostazol inhibited collagen-induced c...

journal_title：Journal of cardiovascular pharmacology

authors： Hirose H,Mashiko S,Kimura T,Ishida F,Mochizuki N,Nishibe T,Nishikibe M

更新日期：2000-04-01 00:00:00

abstract：:This study investigated the vasorelaxant action of the sesquiterpene polygodial, isolated from the bark of Drymis winteri, on rat portal vein in vitro, contracted by various agonists. Polygodial (21-342 microM) preincubated 20 min before, produced graded antagonism of the contractile responses caused by bradykinin, en...

journal_title：Journal of cardiovascular pharmacology

authors： El Sayah M,Filho VC,Yunes RA,Malheiros A,Calixto JB

更新日期：2000-04-01 00:00:00

abstract：:Nitric oxide (NO) is a potent inhibitor of platelet aggregation. However, the benefits of NO-based therapies can be confounded by concomitant hypotension. Monophosphoryl lipid A (MLA) is a nontoxic derivative of endotoxin that purportedly increases nitric oxide synthase (NOS) activity and, presumably, NO production, y...

journal_title：Journal of cardiovascular pharmacology

authors： Przyklenk K,Hata K,Whittaker P,Elliott GT

更新日期：2000-03-01 00:00:00

abstract：:Several antiarrhythmic agents with Na-channel blocking action have been shown to inhibit cardiac K(ATP) channels. We used cibenzoline to examine its precise target site using patch-clamp techniques and receptor binding assays in guinea-pig ventricular myocytes. Exposure of myocytes to a glucose-free perfusate containi...

journal_title：Journal of cardiovascular pharmacology

authors： Horie M,Watanuki M,Tsuji K,Ishida H,Ishida-Takahashi A,Yuzuki Y,Seino Y,Sasayama S

更新日期：2000-03-01 00:00:00

abstract：:We produced transgenic mice overexpressing Na+/ H+ exchanger as a model of salt-sensitive hypertension and reported that dietary salt loading elevates blood pressure in these transgenic mice. We speculate that this blood pressure elevation may be attributed to the elevation of intraarterial smooth muscle Ca2+ concentr...

journal_title：Journal of cardiovascular pharmacology

authors： Kiraku J,Sugiyama T,Ashida T,Takahashi N,Fujii J,Kuro-o M,Nagai R

更新日期：2000-03-01 00:00:00

abstract：:Our previous study found that angiotensin-converting enzyme (ACE) inhibitors and amlodipine induce NO release from coronary microvessels through a kinin-dependent mechanism. The goal of this study was to determine whether amlodipine could potentiate NO formation during ACE inhibition. Coronary microvessels were isolat...

journal_title：Journal of cardiovascular pharmacology

authors： Zhang X,Xu X,Nasjletti A,Hintze TH

更新日期：2000-02-01 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 objective of this study was to investigate the cardioactive properties of oxybutynin, a drug that is widely prescribed for management of voiding dysfunction. Membrane currents were recorded from whole-cell-configured guinea pig ventricular myocytes, and action potentials were recorded from guinea pig and rabbit pa...

journal_title：Journal of cardiovascular pharmacology

authors： Jones SE,Kasamaki Y,Shuba LM,Ogura T,McCullough JR,McDonald TF

更新日期：2000-02-01 00:00:00

abstract：:Insulin resistance is an important risk factor for the development of hypertension, atherosclerotic heart disease, left ventricular hypertrophy and dysfunction, and heart failure. It reflects a disturbance of glucose metabolism and potentially worsens metabolic efficiency of both skeletal muscle and cardiac muscle. Th...

journal_title：Journal of cardiovascular pharmacology

authors： Coats AJ,Anker SD

更新日期：2000-01-01 00:00:00

abstract：:Cyclosporine (CsA) treatment in solid organ transplantation has represented one of the greatest advances in the past 20 years, reducing acute rejection and increasing long-term survival. However, CsA has an important side effect, producing renal vasoconstriction and systemic hypertension. The main histological finding...

journal_title：Journal of cardiovascular pharmacology

authors： Rodicio JL

更新日期：2000-01-01 00:00:00

abstract：:Bucindolol is a nonselective beta-adrenergic receptor antagonist that has additional vasodilating properties. Because some beta-adrenergic receptor antagonists such as cyanopindolol are used as 5-HT1A/5-HT1B receptor antagonists, we tested the hypothesis that bucindolol can interact with 5-HT receptors. Both in vitro ...

journal_title：Journal of cardiovascular pharmacology

authors： Watts SW,Fink GD,Silver PJ,Cushing DJ

更新日期：2000-01-01 00:00:00

abstract：:The effects of reactive oxygen species (ROS) on different cellular types are variable. In some conditions they can be harmful metabolites, but they can also act as intracellular messengers that are able to activate different transcription factors. Based on previous reports in which ROS were shown to stimulate the prol...

journal_title：Journal of cardiovascular pharmacology

authors： Ruiz-Ginés JA,López-Ongil S,González-Rubio M,González-Santiago L,Rodríguez-Puyol M,Rodríguez-Puyol D

更新日期：2000-01-01 00:00:00

abstract：:The genes for endothelin (ET) and their receptors are candidates for essential hypertension. Those for ET-1, ET-2 and the ET(A) receptor were selected for mutation scanning, and associated studies comparing untreated hypertensive patients and matched controls. A number of silent polymorphisms were found, resulting fro...

journal_title：Journal of cardiovascular pharmacology

authors： Brown MJ,Sharma P,Stevens PA

更新日期：2000-01-01 00:00:00

abstract：:The hemodynamic effects of endothelin (ET)-1 and TAK-044 (ET(A) and ET(B) receptor antagonist) were studied in a rat model of dilated cardiomyopathy after autoimmune myocarditis. Six weeks after immunization, survived Lewis rats (30/43 = 70%) were randomly allocated into five groups to be given 0, 0.3, 3, 30 and 60 mg...

journal_title：Journal of cardiovascular pharmacology

authors： Watanabe K,Ohta Y,Kouda T,Sekiguchi T,Sato S,Nakazawa M,Hasegawa G,Naito M,Fuse K,Ito M,Hirono S,Tanabe N,Hanawa H,Kato K,Kodama M,Aizawa Y

更新日期：2000-01-01 00:00:00

abstract：:The present study was undertaken to investigate the interaction between endothelin-1 (ET-1) and norepinephrine (NE) on contractile regulation in dog ventricular myocardium. ET-1 alone did not elicit any inotropic response in isolated dog ventricular trabeculae (37 degrees C, 0.5 Hz). In the presence of NE at a high co...

journal_title：Journal of cardiovascular pharmacology

authors： Chu L,Endoh M

更新日期：2000-01-01 00:00:00

abstract：:Vasopeptidase inhibitors are single molecules that inhibit neutral endopeptidase (NEP) and angiotensin-converting enzyme (ACE) simultaneously. Omapatrilat, the first in this new class of cardiovascular agents, potentiates vasodilatory and cardioprotective peptides and represses angiotensin II. This study compared the ...

journal_title：Journal of cardiovascular pharmacology

authors： Trippodo NC,Fox M,Monticello TM,Panchal BC,Asaad MM

更新日期：1999-12-01 00:00:00

abstract：:21-Aminosteroids are a group of new synthetic compounds developed as antiperoxidants. Although several studies have demonstrated their cardioprotective properties in acute ischemic models, none has assessed their long-term benefits after chronic myocardial infarction. In this investigation, we examined the cardioprote...

journal_title：Journal of cardiovascular pharmacology

authors： Ngo PL,Chen H,Qi S,Paquette F,Dumont L

更新日期：1999-12-01 00:00:00

abstract：:Formation of oxygen free radicals during heart transplantation seems to be related to the alterations occurring during ischemia and reperfusion and could explain the short preservation time of donor hearts. The aim of our study was (a) to analyze the protective effects of pyruvate during cold cardioplegia and ischemia...

journal_title：Journal of cardiovascular pharmacology

authors： Dobsak P,Courderot-Masuyer C,Zeller M,Vergely C,Laubriet A,Assem M,Eicher JC,Teyssier JR,Wolf JE,Rochette L

更新日期：1999-11-01 00:00:00

abstract：:(+/-)-Dobutamine at concentrations < or =10(-5) M did not evoke contractions of rat gastric artery segments. However, when the tissues were contracted with methoxamine, (+/-)-dobutamine evoked concentration-dependent relaxation. The relaxant responses were not significantly affected by propranolol. In the same prepara...

journal_title：Journal of cardiovascular pharmacology

authors： Oriowo MA

更新日期：1999-11-01 00:00:00

abstract：:In this study, we used the spontaneously beating, isolated rat right atrium as an in vitro model to study arrhythmogenic effects of electrical stimulation. A tetrapolar platinum electrode was used for stimulation and recording of atrial electrical activity at 36.5 degrees C (spontaneous rate, 4.9+/-0.3 Hz). A flutter-...

journal_title：Journal of cardiovascular pharmacology

authors： Godoy CM,Bassani RA,Bassani JW

更新日期：1999-10-01 00:00:00

abstract：:To determine whether nitrate tolerance is attenuated on aortas isolated from rats treated in the long term with an angiotensin-converting enzyme (ACE) inhibitor, five groups of rats were studied in parallel. Group 1 received ramipril, 1 mg/ kg/day, p.o., for 6 weeks; group 2 received ramipril at the same dose for 4 we...

journal_title：Journal of cardiovascular pharmacology

authors： Berkenboom G,Fontaine D,Unger P,Baldassarre S,Preumont N,Fontaine J

更新日期：1999-10-01 00:00:00

abstract：:In this study we compared the antithrombotic and anticoagulant properties of sodium and calcium derivatives of pentosan polysulfate (Na-PPS, Ca-PPS), unfractionated heparin (UFH), and low-molecular-weight heparin (Fraxiparin). The antithrombotic effects of these agents have been investigated in an experimental thrombo...

journal_title：Journal of cardiovascular pharmacology

authors： Giedrojć J,Klimiuk M,Radziwon P,Kłoczko J,Bielawiec M,Breddin HK

更新日期：1999-09-01 00:00:00

abstract：:Experiments were designed to examine mechanisms of relaxations to nitric oxide (NO) in venous smooth muscle. Rings of canine femoral veins without endothelium were suspended for measurement of isometric force in organ chambers. Concentration-response curves to NO and 8-Br-cyclic guanosine monophosphate (cGMP) were obt...

journal_title：Journal of cardiovascular pharmacology

authors： Bracamonte MP,Burnett JC Jr,Miller VM

更新日期：1999-09-01 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：:Endothelin (ET) may play an important role in the pathogenesis of vasoconstriction and acute renal failure after aortic cross-clamping (ACC). However, the relative contribution of the ET(A) and ET(B) receptors to the physiopathology of ischemic acute renal failure is poorly understood. This study was carried out to ev...

journal_title：Journal of cardiovascular pharmacology

authors： Roux S,Qiu C,Sprecher U,Osterwalder R,Clozel JP

更新日期：1999-08-01 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：:Adenosine protects the ischemic myocardium by coronary vasodilation and the depression of heart rate and contractility, improving myocardial energy balance. Adenosine effects on the myocardium are mediated predominantly by the type A1 receptors. Atrial natriuretic peptide (ANP), a vasodilator and regulator of blood vo...

journal_title：Journal of cardiovascular pharmacology

authors： Salman H,Bergman M,Schlesinger H,Zahavi I,Kessler-Icekson G

更新日期：1999-07-01 00:00:00

abstract：:The purpose of this study was to assess the cardiovascular effects of an ultra-short-acting beta-blocker, ONO-1101, by using halothane-anesthetized beagle dogs in comparison with esmolol. ONO-1101 (n = 6) or esmolol (n = 6) was administered at four infusion rates of 0.3, 3, 30, and 300 microg/ kg/min. Each infusion wa...

journal_title：Journal of cardiovascular pharmacology

authors： Sugiyama A,Takahara A,Hashimoto K

更新日期：1999-07-01 00:00:00

abstract：:The pharmacological characterization of a nonpeptide endothelin (ET)-receptor antagonist, PABSA [(R)-(--)-2-(benzo[1,3]dioxol-5-yl)-N-(4-isopropyl-phenylsulfon yl)-2-(6-methyl-2-propylpyridin-3-yloxy)-acetamide hydrochloride] was studied. PABSA competitively inhibited the binding of [125I]-ET-1 to A7r5 cells expressin...

journal_title：Journal of cardiovascular pharmacology

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

更新日期：1999-07-01 00:00:00

abstract：:Hibernating myocardium is characterized by chronic reduction of myocardial blood flow due to obstructive coronary artery disease, causing reversible left ventricular dysfunction and flow-metabolism mismatch. The condition is unstable and increasing demand may lead to further left ventricular dysfunction or necrosis ca...

journal_title：Journal of cardiovascular pharmacology

authors： Lahiri A,Senior R,Khattar R

更新日期：1999-06-01 00:00:00

abstract：:Intracerebroventricular injections of endothelin-1 (ET-1) are reported to cause dose-related increases in sympathetic nerve activity and blood pressure in anesthetized normotensive rats. These studies were performed to determine the following: which endothelin receptor, A or B, is involved in mediating sympathetic and...

journal_title：Journal of cardiovascular pharmacology

authors： Nakamura K,Sasaki S,Moriguchi J,Morimoto S,Miki S,Kawa T,Itoh H,Nakata T,Takeda K,Nakagawa M

更新日期：1999-06-01 00:00:00

abstract：:An open randomized hospital study conducted in 169 centers in France compared the blood pressure response to the first 36 h of treatment with perindopril (PER), 2 mg once daily, with that to captopril (CAP), 6.25 mg t.i.d., in 725 patients (mean age, 70 years; men, 67%) with echocardiographic left ventricular systolic...

journal_title：Journal of cardiovascular pharmacology

authors： Haïat R,Piot O,Gallois H,Hanania G

更新日期：1999-06-01 00:00:00

abstract：:A randomized open-label clinical trial was conducted to determine whether mortality, readmission, or quality of life differed between heart failure patients managed with captopril plus diuretics and those with digoxin plus diuretics. A total of 345 heart failure patients in New York Heart Association functional classe...

journal_title：Journal of cardiovascular pharmacology

authors： Cosín-Aguilar J,Marrugat J,Sanz G,Massó J,Gil M,Vargas R,Pérez-Casar F,Simarro E,De Armas D,García-García J,Azpitarte J,Diago JL,Rodrigo-Trallero G,Lekuona I,Domingo E,Marin-Huerta E

更新日期：1999-05-01 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：:We examined mechanisms of the central sympathoinhibitory actions of systemically administered clonidine in anesthetized cats. To avoid influences of sympathetic chemo- and baroreflexes, the animals were deafferentated by cutting the carotid sinus and vagal nerves bilaterally. Intravenous (i.v.) injections of clonidine...

journal_title：Journal of cardiovascular pharmacology

authors： Seller H,Czachurski J,Zanzinger J

更新日期：1999-04-01 00:00:00

abstract：:To evaluate the role of intracellular calcium and particularly Ca2+-uptake in the initiation of lymphocyte mitogenesis, the effect of mibefradil, which blocks both L- and T-type calcium channels with a more selective blockade of T-type channels, on the proliferation of human peripheral blood mononuclear cells (PBMCs) ...

journal_title：Journal of cardiovascular pharmacology

authors： Lijnen P,Fagard R,Petrov V

更新日期：1999-04-01 00:00:00

abstract：:The objective of the study was to inquire about the mechanism(s) involved in the catabolism of S-nitrosothiols by vascular tissue under in vitro conditions. Incubations of S-nitrosocysteine (CYSNO) or S-nitrosoglutathione (GSNO) with homogenates isolated from porcine aortic smooth muscle resulted in only a marginal de...

journal_title：Journal of cardiovascular pharmacology

authors： Kostka P,Xu B,Skiles EH

更新日期：1999-04-01 00:00:00

abstract：:The pharmacologic profile of SK-1080, a nonpeptide AT1-selective angiotensin-receptor antagonist, was investigated by receptor-binding studies, functional in vitro assays with rabbit and rat aorta, and in vivo experiments in pithed rats. SK-1080 inhibited the specific binding of [125I]-[Sar1, Ile8]-angiotensin II to h...

journal_title：Journal of cardiovascular pharmacology

authors： Lee SH,Jung YS,Lee BH,Yun SI,Yoo SE,Shin HS

更新日期：1999-03-01 00:00:00

abstract：:To evaluate the role of angiotensin II (AII) on diastolic function during post-myocardial infarction (MI) ventricular remodeling, coronary ligation or sham operation was performed in male Sprague-Dawley rats. Experimental animals were maintained on either irbesartan, a selective AT1-receptor antagonist, or no treatmen...

journal_title：Journal of cardiovascular pharmacology

authors： Ambrose J,Pribnow DG,Giraud GD,Perkins KD,Muldoon L,Greenberg BH

更新日期：1999-03-01 00:00:00

abstract：:Few studies have addressed the possibility that brain natriuretic peptide (BNP) possesses a profile of bioactivity that is distinct from that of atrial natriuretic peptide (ANP). Accordingly, we assessed the biologic actions of BNP in the setting of maximal or near-maximal ANP-induced biologic activity. Background ANP...

journal_title：Journal of cardiovascular pharmacology

authors： Charles CJ,Espiner EA,Nicholls MG,Rademaker MT,Richards AM

更新日期：1999-02-01 00:00:00