Drug block of I(kr): model systems and relevance to human arrhythmias.

abstract：:Cardiovascular effects of Nifekalant were examined using halothane-anesthetized dogs, and its proarrhythmic potential was estimated with chronic complete atrioventricular block dogs. Nifekalant was intravenously administered to the halothane-anesthetized dogs in three doses of 0.03, 0.3, and 3 mg/kg/10 minutes with a ...

journal_title：Journal of cardiovascular pharmacology

authors： Satoh Y,Sugiyama A,Takahara A,Chiba K,Hashimoto K

更新日期：2004-05-01 00:00:00

abstract：:The effects of exogenous guanosine 5'-triphosphate (GTP) and guanosine on nitroglycerin-, sodium nitrite- and SIN-1-induced guanosine 3',5'-cyclic monophosphate (cyclic GMP) accumulation and smooth muscle relaxation were studied using endothelium-denuded rat mesenteric artery rings precontracted with noradrenaline. Pr...

journal_title：Journal of cardiovascular pharmacology

authors： Vuorinen P,Pörsti I,Metsä-Ketelä T,Manninen V,Vapaatalo H,Laustiola KE

更新日期：1991-12-01 00:00:00

abstract：:Since beta-adrenoceptor blocking drugs were originally discovered and shown to be important therapeutic agents in the management of both angina pectoris and hypertension, many other similar drugs have become available. These share the common property of beta-adrenoceptor antagonism, though they may vary in terms of po...

journal_title：Journal of cardiovascular pharmacology

authors： McDevitt DG

更新日期：1986-01-01 00:00:00

abstract：:Irisin, a muscle-origin protein derived from the extracellular domain of the fibronectin domain-containing 5 protein (FNDC5), has been shown to modulate mitochondria welfare through paracrine action. Here, we test the hypothesis that irisin contributes to cardioprotection after myocardial infarction by preserving mito...

journal_title：Journal of cardiovascular pharmacology

authors： Wang Z,Chen K,Han Y,Zhu H,Zhou X,Tan T,Zeng J,Zhang J,Liu Y,Li Y,Yao Y,Yi J,He D,Zhou J,Ma J,Zeng C

更新日期：2018-12-01 00:00:00

abstract：:To evaluate the possible role of endothelin in the development and/or maintenance of hypertension in Dahl rats, we examined the responsiveness of isolated vascular smooth muscle and glomerular mesangial cells, as well as deendothelialized vascular ring preparations to endothelin-1 (ET-1). Production of immunoreactive ...

journal_title：Journal of cardiovascular pharmacology

authors： Goligorsky MS,Iijima K,Morgan M,Yanagisawa M,Masaki T,Lin L,Nasjletti A,Kaskel F,Frazer M,Badr KF

更新日期：1991-01-01 00:00:00

abstract：:Prostaglandins (PG) E2, E2, E2 alpha, and I2 [prostacyclin (PGI2)] were tested in vitro on collateral arteries that enlarge following chronic occlusion of the femoral artery in the dog. After contraction with an ED50 dose of KCl, serial doses of a PG were added. Collateral arteries relaxed significantly to PGI2 (10(-7...

journal_title：Journal of cardiovascular pharmacology

authors： Williams PB,Joyner JH

更新日期：1982-09-01 00:00:00

abstract：:Reduced nitric oxide bioavailability contributes to increased cardiovascular disease risk in patients with chronic kidney disease (CKD). Arginase has been implicated as a potential therapeutic target to treat vascular dysfunction by improving substrate availability for endothelial nitric oxide synthase. The purpose of...

journal_title：Journal of cardiovascular pharmacology

authors： Martens CR,Kuczmarski JM,Lennon-Edwards S,Edwards DG

更新日期：2014-01-01 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：:The preproendothelin-1 (preproET-1) gene is induced by thrombin after phosphorylation of nonreceptor protein tyrosine kinase pathways. This study investigated the contribution of Ca2+/calmodulin-dependent intracellular signaling cascades to this pathway and measured ET-1 mRNA levels by Northern blot analysis in human ...

journal_title：Journal of cardiovascular pharmacology

authors： Marsen TA,Simonson MS,Dunn MJ

更新日期：1995-01-01 00:00:00

abstract：:Combined potassium and calcium channel blocking activities are suggested to be the basis for antiarrhythmic efficacy with low proarrhythmic risk. The electrophysiologic effects of SB-237376 were investigated in single myocytes and arterially perfused wedge preparations of canine or rabbit left ventricles. The concentr...

journal_title：Journal of cardiovascular pharmacology

authors： Xu X,Yan GX,Wu Y,Liu T,Kowey PR

更新日期：2003-03-01 00:00:00

abstract：:Intracellular [Ca2+]i overloading in cardiomyocytes is a fundamental pathogenic event associated with chronic aldosterone/salt treatment (ALDOST) and accounts for an induction of oxidative stress that leads to necrotic cell death and consequent myocardial scarring. This prooxidant response to Ca2+ overloading in cardi...

journal_title：Journal of cardiovascular pharmacology

authors： Kamalov G,Ahokas RA,Zhao W,Zhao T,Shahbaz AU,Johnson PL,Bhattacharya SK,Sun Y,Gerling IC,Weber KT

更新日期：2010-03-01 00:00:00

abstract：:Celiprolol is a selective beta(1)-adrenoceptor antagonist with antihypertensive actions, which causes renal vasodilation by increasing tissue nitric oxide (NO) levels. The authors tested whether celiprolol increases coronary blood flow (CBF) by increasing cardiac NO release in the ischemic heart in vivo. In open-chest...

journal_title：Journal of cardiovascular pharmacology

authors： Asanuma H,Node K,Minamino T,Sanada S,Takashima S,Ueda Y,Sakata Y,Asakura M,Kim J,Ogita H,Tada M,Hori M,Kitakaze M

更新日期：2003-04-01 00:00:00

abstract：:The vascular effects of cardamonin and alpinetin from Alpinia henryi K. Schum. were examined in the rat isolated mesenteric arteries. 1H and 13C nuclear magnetic resonance spectra showed that cardamonin is present in trans-form, and single-crystal radiographic structure revealed that alpinetin is present in S configur...

journal_title：Journal of cardiovascular pharmacology

authors： Wang ZT,Lau CW,Chan FL,Yao X,Chen ZY,He ZD,Huang Y

更新日期：2001-05-01 00:00:00

abstract：:The mechanisms by which tolerance to organic nitrates develops are still poorly understood. Enhanced oxidative stress, i.e., increased free radical production following organic nitrate administration, has been recently suggested as a possible mechanism. A randomized, double-blind, crossover study assessed in 18 health...

journal_title：Journal of cardiovascular pharmacology

authors： Keimer R,Stutzer FK,Tsikas D,Troost R,Gutzki FM,Frölich JC

更新日期：2003-02-01 00:00:00

abstract：:Chronic uremia and metabolic acidosis impair vascular responses to norepinephrine (NE) and also cause multiple metabolic defects in skeletal muscle. These studies were conducted to determine whether decreased vascular responsiveness resulted from putative second messenger metabolism. Tail arteries were used from rats ...

journal_title：Journal of cardiovascular pharmacology

authors： Fox AW,May RE,Mitch WE

更新日期：1992-08-01 00:00:00

abstract：:We have previously demonstrated that cocaine induces apoptosis in primary cultures of fetal rat cardiomyocytes. The current study was designed to determine whether cocaine administered to the mother during pregnancy induced apoptosis in fetal rat heart. Pregnant rats were treated with cocaine subcutaneously (30 and 60...

journal_title：Journal of cardiovascular pharmacology

authors： Xiao Y,Xiao D,He J,Zhang L

更新日期：2001-06-01 00:00:00

abstract：:This study investigated the ability of angiotensin II (Ang II) to facilitate the stimulation-induced release of [3H]norepinephrine [( 3H]NE) from two cardiovascular regulatory areas in normal and sodium-restricted rats. Ang II (10(-7) M) facilitated the field-stimulation-induced release of [3H]NE from the A2 area of t...

journal_title：Journal of cardiovascular pharmacology

authors： Meldrum MJ,Xue CS,Badino L,Westfall TC

更新日期：1984-11-01 00:00:00

abstract：:We examined the influence of the new angiotensin-converting enzyme inhibitor (ACEI) fosinopril on function and perfusion of the diabetic rat heart. Streptozotocin-diabetic rats (60 mg/kg body weight) were treated with fosinopril (10 mg/kg body weight/day) for 4 months. Cardiac performance was analyzed in the isolated ...

journal_title：Journal of cardiovascular pharmacology

authors： Rösen P,Rump AF,Rösen R

更新日期：1996-01-01 00:00:00

abstract：:We tested the hypothesis that the 5-HT transporter (5-HTT) is present and functional in peripheral arterial smooth muscle. In aorta and mesenteric resistance arteries, real time RT-PCR and western analyses indicated the presence of 5-HTT mRNA and a 74 kDa 5-HTT protein. Immunohistochemistry localized the transporter t...

journal_title：Journal of cardiovascular pharmacology

authors： Ni W,Thompson JM,Northcott CA,Lookingland K,Watts SW

更新日期：2004-06-01 00:00:00

abstract：:We examined four commercially available human cell lines for endothelin-converting-enzyme-(ECE) like activity and compared the results with primary porcine aortic endothelial cell enzymes. The cells that were investigated were 293 (transformed primary human embryonal kidney), Hep G2 (human hepatocellular carcinoma), H...

journal_title：Journal of cardiovascular pharmacology

authors： Knap AK,Wigg AM

更新日期：1993-01-01 00:00:00

abstract：:This open, general practice study looked at the pharmacokinetics of ramipril over a period of 1 year in elderly (greater than 65 years) hypertensive patients. Ten patients with a diastolic blood pressure between 95 and 125 mm Hg were treated with 5 mg of ramipril daily for 4 weeks, followed by an additional 11 months ...

journal_title：Journal of cardiovascular pharmacology

authors： Hosie J,Meredith P

更新日期：1991-01-01 00:00:00

abstract：:In congestive heart failure, the chronic sympathetic hyperactivity contributes to a poor prognosis. In this respect, clonidine, a centrally acting sympathoinhibitory drug, has previously been tested in clinical trials. The aim of the current study was to evaluate the effects of clonidine on morbidity and mortality in ...

journal_title：Journal of cardiovascular pharmacology

authors： Thomas L,Gasser B,Bousquet P,Monassier L

更新日期：2003-02-01 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：:In conscious, spontaneously hypertensive rats (SHR) oral prazosin (0.03-3.0 mg/kg) resulted in dose-related reductions of systolic blood pressure measured with a tail cuff. In SHR whose tail artery blood pressure was continuously monitored the antihypertensive effect of prazosin (1.0 mg/kg, p.o.) was accompanied by a ...

journal_title：Journal of cardiovascular pharmacology

authors： Lefèvre-Borg F,Roach AG,Gomeni R,Cavero I

更新日期：1979-01-01 00:00:00

abstract：:ATP-sensitive potassium (KATP) channels link membrane excitability to metabolic state to regulate a series of biological activities including the vascular tone. However, their ability to influence hypertension is controversial. Here we aim to investigate possible alteration of KATP channel in vascular smooth muscles (...

journal_title：Journal of cardiovascular pharmacology

authors： Liu X,Duan P,Hu X,Li R,Zhu Q

更新日期：2016-08-01 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：:The effects of R 56,865, a compound with unusual calcium antagonistic properties, on altered left ventricular (LV) diastolic properties were studied during pacing-induced ischemia in dogs with coronary stenosis. Severe coronary artery stenosis was produced on both the left anterior descending (LAD) and circumflex (Cx)...

journal_title：Journal of cardiovascular pharmacology

authors： Vandeplassche G,Hermans C,Wouters L,Borgers M

更新日期：1991-04-01 00:00:00

abstract：:The effect of atrial natriuretic peptide (ANP) on cytosolic free calcium ([Ca2+]i) was studied in monolayers of cultured vascular smooth muscle (VSM) cells loaded with a fluorescent calcium indicator, fura-2. ANP (atriopeptin III, 10(-8) M) decreased the resting level of [Ca2+]i and sustained rises in [Ca2+]i followin...

journal_title：Journal of cardiovascular pharmacology

authors： Takeuchi K,Abe K,Yasujima M,Sato M,Kasai Y,Tsunoda K,Hagino T,Kanazawa M,Yoshinaga K

更新日期：1989-01-01 00:00:00

abstract：:beta 2-Adrenoceptor function may be decreased in primary hypertension, resulting in increased peripheral resistance. To study the beta 2-adrenoceptor function, we used circulating mononuclear leukocytes (MNL) as a model system. Twenty untreated hypertensive subjects [(HT) 10 men and 10 women] and 20 age- and sex-match...

journal_title：Journal of cardiovascular pharmacology

authors： Blankesteijn WM,Willems PH,Graafsma SJ,de Pont JJ,Thien T

更新日期：1993-11-01 00:00:00

abstract：:Kinins elicit prostaglandin and inositol phosphate production in 3T3 fibroblasts through stimulation of B2 receptors. Prostaglandin synthesis is maximum by 5 min, whereas inositol phosphate production continues for longer than 30 min. Prostaglandin synthesis is stimulated by phospholipase A2, which releases arachidona...

journal_title：Journal of cardiovascular pharmacology

authors： Burch RM

更新日期：1990-01-01 00:00:00