Distinct roles of second and third intracellular loops of human endothelin receptors in the selective activation of G alpha s/G alpha i.

abstract：:In isolated rat tail arteries perfused with Krebs-Henseleit solution, ouabain, in concentrations of less than 10(-5) M, caused a concentration-dependent, noncompetitive inhibition of the vasoconstrictor response to phenylephrine. Concentrations of 10(-8) and 10(-6) M caused 30 and 61% inhibition, respectively. The inh...

journal_title：Journal of cardiovascular pharmacology

authors： Armsworth SJ,Marwood JF,Stokes GS

更新日期：1985-07-01 00:00:00

abstract：:The distribution of 3H-digoxin has been measured in a large number of tissues from the central, autonomic, and peripheral nervous system after the induction of ventricular tachycardia by infusing digoxin into anesthetized dogs. In most parts of the nervous system the tissue digoxin concentration was close to that in t...

journal_title：Journal of cardiovascular pharmacology

authors： Frazer G,Binnion P

更新日期：1981-11-01 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：:The effect of two calcium antagonists on left ventricular (LV) relaxation and diastolic filling was evaluated in 16 randomized patients. Isradipine and nifedipine were administered intravenously in a maximum dose of 60 micrograms/min for isradipine and 63 micrograms/min for nifedipine. Heart rate was increased signifi...

journal_title：Journal of cardiovascular pharmacology

authors： Hoppeler H,Hess OM,Hug R,Turina J,Krayenbühl HP

更新日期：1990-01-01 00:00:00

abstract：:The effects of purified baicalin and baicalein from the traditional Chinese herb, Huangqin, on contractions induced by phenylephrine, U46619, and high extracellular K+ were investigated in isolated rat mesenteric arteries. Both baicalin (1-100 microM) and baicalein (1-50 microM) potentiated the contractile response to...

journal_title：Journal of cardiovascular pharmacology

authors： Tsang SY,Chen ZY,Yao XQ,Huang Y

更新日期：2000-08-01 00:00:00

abstract：:In an initial double-blind randomized study with three parallel groups, 48 patients, mean age 49.6 years (32-65 years), with hypertension WHO I-II, were given bisoprolol in doses of 5, 10, and 20 mg. Bisoprolol is a new beta 1-selective beta-blocking agent with a plasma half-life of 10-12 h and without intrinsic sympa...

journal_title：Journal of cardiovascular pharmacology

authors： Weiner L,Frithz G

更新日期：1986-01-01 00:00:00

abstract：:The mechanism by which nicotine causes peripheral vasoconstriction and its relationship to the increased risk of peripheral vascular disease in smokers are unknown. To study the peripheral vascular effects of nicotine, we measured hemodynamic responses and oxygen consumption of the in situ gracilis muscle during intra...

journal_title：Journal of cardiovascular pharmacology

authors： Rooney MW,Hirsch LJ

更新日期：1991-10-01 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 relative efficacies of 240 mg/day diltiazem and 20 mg/day nitrendipine were compared in a placebo-controlled, randomized, crossover study of 48 patients who had both moderate systemic hypertension and stable angina pectoris. Hemodynamic indices were measured by impedance cardiography and echocardiography and bicyc...

journal_title：Journal of cardiovascular pharmacology

authors： Andreyev N,Bichkov I,Skutelis A,Andreyeva T

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND:Long noncoding RNA taurine-upregulated gene 1 (TUG1) has been reported to involve in the processing of cardiac ischemia/reperfusion injury after myocardial infarction. Thus, this study further investigates the underlying mechanisms of TUG1 in hypoxia/reoxygenation (H/R)-induced cardiomyocyte injury in vitro....

journal_title：Journal of cardiovascular pharmacology

authors： Cai X,Wang S,Hong L,Yu S,Li B,Zeng H,Yang X,Zhang P,Shao L

更新日期：2020-11-01 00:00:00

abstract：:We conducted a double-blind, placebo-controlled parallel study of the effect of the aldosterone antagonist spironolactone, administered once daily for 1 week to normal male subjects, on blood pressure, intracellular cationic concentrations, and transmembrane cation transport systems and plasma or urinary variables. Af...

journal_title：Journal of cardiovascular pharmacology

authors： Lijnen P,Petrov V

更新日期：1996-04-01 00:00:00

abstract：:The antihypertensive efficacy of the calcium entry blocker nitrendipine administered as monotherapy (20-80 mg; mean, 36/day) on the average for 144 days to 46 patients with essential hypertension (WHO I and II) was investigated in relation to age, pretreatment blood pressure, and plasma renin activity. In addition, we...

journal_title：Journal of cardiovascular pharmacology

authors： Müller FB,Bolli P,Erne P,Block LH,Kiowski W,Bühler FR

更新日期：1984-01-01 00:00:00

abstract：:The structure-activity relationships of phosphoramidon analogues for inhibition of endothelin-converting enzyme (ECE), neutral endopeptidase 24.11 (NEP), and angiotensin-converting enzyme (ACE) were compared. Phosphoramidon inhibited ECE, NEP, and ACE activities with IC50 values of 3.5, 0.034, and 78 microM, respectiv...

journal_title：Journal of cardiovascular pharmacology

authors： Kukkola PJ,Savage P,Sakane Y,Berry JC,Bilci NA,Ghai RD,Jeng AY

更新日期：1995-01-01 00:00:00

abstract：:Endothelin-1 (ET-1) is a potent vasoconstrictive peptide produced by endothelial cells of blood vessels. This peptide has quite a unique structure and pharmacological properties. ET-1 is produced in endothelial cells and may be secreted in a similar way to some paracrine hormones. The pressor response of ET-1 is large...

journal_title：Journal of cardiovascular pharmacology

authors： Masaki T

更新日期：1989-01-01 00:00:00

abstract：:In response to acetylcholine, endothelial cells were shown to release a nonprostanoid factor, called endothelium-derived relaxing factor (EDRF), which caused relaxation of vascular smooth muscle. Since this discovery in 1980, many additional agents have been shown to stimulate release of EDRF from endothelium. Biologi...

journal_title：Journal of cardiovascular pharmacology

authors： Furchgott RF

更新日期：1993-01-01 00:00:00

abstract：:In anesthetized and ventilated guinea pigs, intravenous injection of ET-1, ET-2, or ET-3 induced similar rapid and dose-related increases in pulmonary inflation pressure (PIP) and mean arterial blood pressure (MABP). Indomethacin inhibited the increase in PIP evoked by ET-1, ET-2, or ET-3, whereas the changes in MABP ...

journal_title：Journal of cardiovascular pharmacology

authors： Pons F,Touvay C,Lagente V,Mencia-Huerta JM,Braquet P

更新日期：1991-01-01 00:00:00

abstract：:MDL 17,043 (1,3-dihydro-4-methyl-5-[4-(methylthio)-benzoyl]-2H-imidazol-2-one) is a new drug with cardiotonic properties. Its effects on several biochemical systems considered to be important in myocardial contraction were investigated and compared with those produced by amrinone and theophylline. Dog cardiac phosphod...

journal_title：Journal of cardiovascular pharmacology

authors： Kariya T,Wille LJ,Dage RC

更新日期：1982-05-01 00:00:00

abstract：:The electrophysiologic stability of isolated perfused rabbit hearts was evaluated over a period of 5 h. Hearts perfused with protein-free buffer deteriorated over time, with significant shortening of the ventricular effective refractory period (ERP) and development of ventricular fibrillation. When serum albumin (6.01...

journal_title：Journal of cardiovascular pharmacology

authors： Kates RE,Yee YG,Hill I

更新日期：1989-01-01 00:00:00

abstract：:This study was undertaken to determine and confer the cardioprotective effects of the adenosine A2 receptor (A2AR) and its impact on myocardial autophagy in the setting of reperfusion. We established a rat ischemia model by subjecting rats to 30 minutes of ischemia (I) and 120 minutes of reperfusion (R). The A2AR agon...

journal_title：Journal of cardiovascular pharmacology

authors： Ke J,Yao B,Li T,Cui S,Ding H

更新日期：2015-07-01 00:00:00

abstract：:Intracellular pH (pHi) regulation in the heart relies on the activity of three membrane mechanisms: the Na+/H+ exchange and an Na+, HCO3(-)-dependent transport, both activated after an acid load, and the Cl-/HCO(3-) exchange, activated by an intracellular alkalinization. Whereas several specific inhibitors of Na+/H+ e...

journal_title：Journal of cardiovascular pharmacology

authors： Lagadic-Gossmann D,Le Prigent K,Baut GL,Caignard DH,Renard P,Scalbert E,Feuvray D

更新日期：1996-10-01 00:00:00

abstract：:Vascular endothelial cell (EC) wound healing was characterized on an EC-synthesized extracellular matrix (ECM) previously treated with enzymes and antibodies specific for ECM components. Using a computer-assisted video-microscope recording system capable of automatic EC recognition, we learned whether components of th...

journal_title：Journal of cardiovascular pharmacology

authors： Herman IM

更新日期：1993-01-01 00:00:00

abstract：:From the membrane fraction of cultured human renal adenocarcinoma (ACHN) cells, two endothelin-2-converting enzymes (ECE-2A and ECE-2B) were solubilized with detergent Lubrol PX and separated by hydrophobic butyl fast-performance liquid chromatography. The pH range of the converting activity of ECE-2B for big endothel...

journal_title：Journal of cardiovascular pharmacology

authors： Shinmi O,Yorimitsu K,Moroi K,Nishiyama M,Sugita Y,Saito T,Inagaki Y,Masaki T,Kimura S

更新日期：1993-01-01 00:00:00

abstract：:The effect of olmesartan medoxomil (OLM), an angiotensin II receptor blocker (ARB), on advanced nephropathy and mortality was evaluated in Zucker Diabetic Fatty (ZDF) rats, a type 2 diabetes model. OLM was administered from 36 weeks of age, when the animals developed advanced proteinuria. OLM effectively suppressed th...

journal_title：Journal of cardiovascular pharmacology

authors： Mizuno M,Sada T,Kato M,Fukushima Y,Terashima H,Koike H

更新日期：2006-10-01 00:00:00

abstract：:Phosphoinositide (PI) turnover, chronotropic and inotropic responses to alpha 1-adrenoceptor activation, and alpha 1-adrenoceptor density were studied in atria from rats with left ventricular myocardial infarction (LVMI) and noninfarcted rats. LVMI was produced after surgical ligation of the left coronary artery in 8-...

journal_title：Journal of cardiovascular pharmacology

authors： Rowley KG,Tung LH,Hodsman GP,Howes LG,Jarrott B,Beart PM,Louis WJ

更新日期：1991-03-01 00:00:00

abstract：:Nitric oxide (NO) plays a protective role in myocardial ischemia-reperfusion (I/R) injury. However, the concomitant production of superoxide and other reactive oxygen species (ROS) during I/R may diminish the bioavailability of NO and hence compromise the beneficial effects. The objective of this study was to investig...

journal_title：Journal of cardiovascular pharmacology

authors： Kutala VK,Khan M,Mandal R,Potaraju V,Colantuono G,Kumbala D,Kuppusamy P

更新日期：2006-09-01 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：: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：:Ca sensitivity and sensitivity to diltiazem were studied in two strains of genetically hypertensive rat [spontaneously hypertensive rats (SHRs) and genetically hypertensive (GH) rats] and their normotensive control strains [Wistar-Kyoto (WKY) and normal Wistar (N) rats] at two ages before and after establishment of si...

journal_title：Journal of cardiovascular pharmacology

authors： Cassie NJ,Cross MA,Phelan EL,Millar JA

更新日期：1990-01-01 00:00:00

abstract：UNLABELLED:Oxidative stress is an important risk factor in the pathogenesis of atherosclerosis. Angiotensin-converting enzyme (ACE) inhibitors attenuate atherosclerosis and oxidative stress in animal models. Omapatrilat, a VasoPeptidase-inhibitor, selectively inhibits both Neutral-Endo-Peptidase (NEP) and ACE. OBJECTI...

journal_title：Journal of cardiovascular pharmacology

authors： Hayek T,Hamoud S,Keidar S,Pavlotzky E,Coleman R,Aviram M,Kaplan M

更新日期：2004-01-01 00:00:00

abstract：:The positive inotropic effect of DPI 201-106 has been studied in isolated, electrically driven papillary muscles of spontaneously hypertensive rats (SHR) and Wistar-Kyoto rats (WK). The positive inotropic effect of isoprenaline (Iso) and Ca2+ was studied for comparison. The maximal positive inotropic effect of Iso was...

journal_title：Journal of cardiovascular pharmacology

authors： Böhm M,Diet F,Erdmann E

更新日期：1988-04-01 00:00:00