Hemodynamic responses to sarafotoxin 6 peptides.

abstract：:The cardiac electrophysiology of flecainide a new antiarrhythmic agent, was studied in open-chested dogs. At plasma concentrations of 0.4 to 0.7 microgram/ml, flecainide significantly prolonged atrioventricular (AV) conduction. At plasma concentrations greater than 6.5 micrograms/ml, flecainide caused delay throughout...

journal_title：Journal of cardiovascular pharmacology

authors： Hodess AB,Follansbee WP,Spear JF,Moore EN

更新日期：1979-07-01 00:00:00

abstract：:We investigated the effects of aranidipine, a dihydropyridine-type Ca2+ channel blocker, on contractile responses to KCl and spontaneous contractions in isolated rat portal veins in comparison with those of the Ca2+ channel blockers, nifedipine, nicardipine, nitrendipine, diltiazem, and verapamil, and of the K+ channe...

journal_title：Journal of cardiovascular pharmacology

authors： Okumura K,Ichihara K,Nagasaka M

更新日期：1997-02-01 00:00:00

abstract：:A subset of essential hypertensives sensitive to salt and having normal or high renin levels are termed nonmodulators. These subjects fail to modulate their renal blood flow and aldosterone responsiveness when dietary sodium is changed. We have found that a positive family history of hypertension in a first degree rel...

journal_title：Journal of cardiovascular pharmacology

authors： Dluhy RG,Hopkins P,Hollenberg NK,Williams GH,Williams RR

更新日期：1988-01-01 00:00:00

abstract：:The cardiovascular profile of a novel calcium antagonist, MPC-1304 and its active metabolites were investigated in experimental animals in vitro and in vivo, and were compared with those of other calcium antagonists or nitroglycerin (NTG). The ratio of negative chronotropic/negative inotropic effect of MPC-1304 was 23...

journal_title：Journal of cardiovascular pharmacology

authors： Kanda A,Haruno A,Miyoshi K,Tanahashi Y,Miyake H,Ichihara K,Okumura K,Nagasaka M

更新日期：1993-07-01 00:00:00

abstract：:ATP utilization (delta approximately P) during an isometric contraction has been studied in terms of both measurements of oxygen consumption and lactate production as well as of the tissue nucleotide and metabolite levels. The contribution of breakdown of preformed ATP and phosphocreatine (PCr) pools to delta approxim...

journal_title：Journal of cardiovascular pharmacology

authors： Paul RJ,Krisanda JM,Lynch RM

更新日期：1984-01-01 00:00:00

abstract：:We have previously demonstrated that endothelin-1 (ET-1) is essential to the development of neural crest-derived craniofacial and cardiovascular structures. In this study we evaluated the intrauterine growth and development of the thyroid and thymus glands in Edn1-/- homozygous mice. Edn1-/- homozygous mice were small...

journal_title：Journal of cardiovascular pharmacology

authors： Kurihara Y,Kurihara H,Maemura K,Kuwaki T,Kumada M,Yazaki Y

更新日期：1995-01-01 00:00:00

abstract：:The authors studied the involvement of IKr potassium current in ventricular fibrillation during perfusion. Electrophysiologic parameters were measured before and after dofetilide administration (2.5, 7.5, and 12.5 x 10-7 M, n = 8) in isolated perfused feline hearts. During pacing, these parameters included epicardial ...

journal_title：Journal of cardiovascular pharmacology

authors： Amitzur G,Shenkar N,Leor J,Novikov I,Eldar M

更新日期：2003-06-01 00:00:00

abstract：:Diabetes is a devastating disease with multiple adverse effects on the vasculature. Moreover, hypertension is a prerequisite for patients with diabetes to progress to end-stage renal disease and to develop cardiovascular complications. Adequate control of blood glucose and blood pressure are the two most important fac...

journal_title：Journal of cardiovascular pharmacology

authors： Makrilakis K,Bakris G

更新日期：1998-01-01 00:00:00

abstract：:beta-Adrenoceptor antagonists such as propranolol and atenolol ameliorate the symptoms of human hyperthyroidism. We wished to define whether the cardiac changes of hyperthyroidism are attenuated by treatment with the beta-adrenoceptor antagonist atenolol. Rats were treated with triiodothyronine (T3) [1 mg/kg/day subcu...

journal_title：Journal of cardiovascular pharmacology

authors： Amos G,Kerr D,Sernia C,Brown L

更新日期：1994-08-01 00:00:00

abstract：:Dobutamine is frequently used for acute therapy in heart failure. In the present study, the hemodynamic effects of long-term intermittent dobutamine therapy were investigated in conscious rats with heart failure. Rats with healed myocardial infarctions received two i.p. injections of dobutamine per day for 2 weeks. He...

journal_title：Journal of cardiovascular pharmacology

authors： Schoemaker RG,Debets JJ,Struyker-Boudier HA,Smits JF

更新日期：1991-06-01 00:00:00

abstract：:In fetal human left ventricular endocardial endothelial cells (EECLs), both plasma membrane (PM) ET(A)R and ET(B)R were reported to mediate ET-1-induced increase of intracellular calcium [Ca](i); however, this effect was mediated by ET(A)R in right EECs (EECRs). In this study, we verified whether, as for the PM, nucle...

journal_title：Journal of cardiovascular pharmacology

authors： Jules F,Avedanian L,Al-Khoury J,Keita R,Normand A,Bkaily G,Jacques D

更新日期：2015-07-01 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：:This study examined the effect of pinacidil on the transmural distribution of myocardial blood flow in the chronically pressure overloaded hypertrophied left ventricle. Studies were performed in six dogs in which banding of the ascending aorta had resulted in an 88% increase in left ventricular mass, as well as in six...

journal_title：Journal of cardiovascular pharmacology

authors： Bache RJ,Dai XZ,Baran KW

更新日期：1990-12-01 00:00:00

abstract：:A hallmark of vascular disease is the inappropriate proliferative and synthetic behavior of smooth muscle cells. This phenotypically immature behavior arises as a consequence of the myocytes undergoing conversion from a contractile to proliferative/secretory cell type. The stimulus invoked for this dedifferentiative p...

journal_title：Journal of cardiovascular pharmacology

authors： Scott-Burden T,Hahn AW,Bühler FR,Resink TJ

更新日期：1992-01-01 00:00:00

abstract：:The influence of isoniazid (ISO) preincubation on the relaxant effects of a group of nitrovasodilators was examined in norepinephrine-contracted rat aortic rings with and without endothelium. ISO displaced to the left the dose-response curves to all nitrovasodilators and increased the negative logarithm of their media...

journal_title：Journal of cardiovascular pharmacology

authors： Vidrio H,Fernández G

更新日期：1998-09-01 00:00:00

abstract：:Endothelin (ET)-related peptides robustly stimulated [3H]-inositol phosphate (IP) formation in cultured cerebellar granule cells, astrocytes, and C6 glioma cells. Their agonist selectivities were ET-1 = ET-2 greater than or equal to sarafotoxin S6b greater than ET-3 greater than big ET-1 for granule cells and ET-1 gre...

journal_title：Journal of cardiovascular pharmacology

authors： Chuang DM,Lin WW,Lee CY

更新日期：1991-01-01 00:00:00

abstract：:Vasoconstrictor responses to intraluminal and extraluminal 5-hydroxytryptamine (5-HT) were studied in isolated mesenteric resistance arteries of Wistar-Kyoto (WKY) rats and spontaneously hypertensive rats (SHRs). Third-order branches of mesenteric arteries were dissected free and mounted on glass cannulae in organ cha...

journal_title：Journal of cardiovascular pharmacology

authors： Dohi Y,Lüscher TF

更新日期：1991-08-01 00:00:00

abstract：:Adenosine A1 receptor (A1AR) activation contracts smooth muscle, although signaling mechanisms are not thoroughly understood. Activation of A1AR leads to metabolism of arachidonic acid, including the production of 20-hydroxyeicosatetraenoic acid (20-HETE) by cytochrome P4504a (CYP4a). The 20-HETE can activate protein ...

journal_title：Journal of cardiovascular pharmacology

authors： Kunduri SS,Mustafa SJ,Ponnoth DS,Dick GM,Nayeem MA

更新日期：2013-07-01 00:00:00

abstract：:Phosphatidylinositol 4,5-bisphosphate hydrolysis at the plasma membrane by phospholipase C is one of the major hormone regulated intracellular signaling systems. The system generates the diffusible second messenger IP3 and the membrane bound messenger diacylglycerol. Spatial regulation of this system has been thought ...

journal_title：Journal of cardiovascular pharmacology

authors： Smrcka AV

更新日期：2015-03-01 00:00:00

abstract：:Inhibition of plasma angiotensin II generation does not fully explain the chronic hypotensive effects of angiotensin-converting enzyme (ACE) inhibitors. Therefore, the pattern of tissue ACE inhibition in rats was studied after oral administration of perindopril, a new ACE inhibitor. Tissue ACE was measured by quantita...

journal_title：Journal of cardiovascular pharmacology

authors： Sakaguchi K,Jackson B,Chai SY,Mendelsohn FA,Johnson CI

更新日期：1988-12-01 00:00:00

abstract：:A randomized, double-blind, crossover trial was carried out in 17 hypertensive patients to evaluate the hypotensive efficacy and safety of verapamil. Verapamil in doses of 120 mg thrice daily was compared with pindolol in doses of 7.5 mg twice daily. A thiazide diuretic was given with both drugs. Blood pressure fell a...

journal_title：Journal of cardiovascular pharmacology

authors： Anavekar SN,Christophidis N,Louis WJ,Doyle AE

更新日期：1981-03-01 00:00:00

abstract：:Clinical trials in patients with congestive heart failure have shown a wide disparity in the hemodynamic responses to chronic therapy with newer positive inotropic drugs. Therefore, the long-term efficacy of enoximone was studied in 10 patients with severe congestive heart failure. Patients were evaluated clinically, ...

journal_title：Journal of cardiovascular pharmacology

authors： Gilfrich HJ,Witzke-Gross J,Römer A

更新日期：1989-01-01 00:00:00

abstract：:Three consecutive periods in the natural history of atherosclerosis are amenable to medical treatment. Plaque development is the main target of prevention, which also aims at slowing the progression of already existing plaques. The control of several established risk factors (high blood cholesterol, high blood pressur...

journal_title：Journal of cardiovascular pharmacology

authors： Capron L

更新日期：1995-01-01 00:00:00

abstract：:The terminal phases of volume-overload heart failure are characterised by eccentric ventricular hypertrophy. Relatively little attention has been directed to exploring the mechanisms involved in this development. The increase in diastolic wall stress leads to replication of the sarcomeres in series. The hypertrophied ...

journal_title：Journal of cardiovascular pharmacology

authors： Taylor SH

更新日期：1987-01-01 00:00:00

abstract：:The aim of this study was to investigate the effect of hypercholesterolemia on the angiotensin II-induced contractions in the isolated aorta and iliac artery of the rabbit, with respect to the role of arachidonate metabolites. Furthermore, the effect of the angiotensin-converting enzyme inhibitor ramipril was studied ...

journal_title：Journal of cardiovascular pharmacology

authors： Dam JP,Vleeming W,Riezebos J,Post MJ,Porsius AJ,Wemer J

更新日期：1997-07-01 00:00:00

abstract：:Although the importance of adenosine (Ado)-receptor activation in preconditioning (PC) has been established, it is unclear whether cardioprotection afforded by PC is determined by the Ado level during PC ischemia or by that during sustained ischemia. Accordingly, we tested whether the PC effect is modified by augmenti...

journal_title：Journal of cardiovascular pharmacology

authors： Suzuki K,Miura T,Miki T,Tsuchida A,Shimamoto K

更新日期：1998-01-01 00:00:00

abstract：:We conducted pharmacodynamic studies with a new vasodilator, MDL-899. Following initial dose-ranging studies we studied eight male normotensive volunteers, each of whom received, orally, 10 mg MDL-899 or placebo in double-blind random order. MDL-899 significantly lowered standing blood pressure, the maximal effect occ...

journal_title：Journal of cardiovascular pharmacology

authors： Howden CW,Elliott HL,Lawrie CB,Reid JL

更新日期：1983-07-01 00:00:00

abstract：:Enhanced renin-angiotensin activity causes hypertension and cardiac hypertrophy. The angiotensin (Ang)-converting enzyme (ACE)2/Ang(1-7)/Mas axis pathway functions against Ang II type 1 receptor (AT1R) signaling. We investigated whether olmesartan (Olm), an AT1R blocker, inhibits cardiac hypertrophy independently of b...

journal_title：Journal of cardiovascular pharmacology

authors： Tanno T,Tomita H,Narita I,Kinjo T,Nishizaki K,Ichikawa H,Kimura Y,Tanaka M,Osanai T,Okumura K

更新日期：2016-06-01 00:00:00

abstract：:The acute systemic and regional hemodynamic responses to a single oral dose (4 mg) of the angiotensin converting enzyme inhibitor perindopril were investigated in 10 patients with severe congestive heart failure. Perindopril produced significant and long-lasting decreases in systemic vascular resistance (-18%), right ...

journal_title：Journal of cardiovascular pharmacology

authors： Thuillez C,Richard C,Loueslati H,Auzepy P,Giudicelli JF

更新日期：1990-04-01 00:00:00

abstract：BACKGROUND:S-equol is known as an estrogenic substance, but its ability to restore vascular endothelial function is unknown. The aim of this study was to investigate the impact of S-equol on endothelial function and intimal thickening under isoflavone- and estrogen-deficient circumstances. METHODS:Twelve-week-old fema...

journal_title：Journal of cardiovascular pharmacology

authors： Ohkura Y,Obayashi S,Yamada K,Yamada M,Kubota T

更新日期：2015-05-01 00:00:00