PDE3 cyclic nucleotide phosphodiesterases and the compartmentation of cyclic nucleotide-mediated signalling in cardiac myocytes.

abstract：:The influence of perfusion pressure (5-8 kPa) on coronary flow and myocardial Ca2+-washout during Ca2+-free perfusion, and on the occurrence of calcium paradox after subsequent Ca2+-reperfusion, was studied in isolated, stimulated, rat heart ventricles. During the Ca2+-free perfusion period (3 min) the following chang...

journal_title：Basic research in cardiology

authors： Koomen JM,Jager LP,van Noordwijk J

更新日期：1980-03-01 00:00:00

abstract：:Increasing the frequency of steady state stimulation increases the rate of mechanical restitution in hypothermic (27 degrees C) guinea pig papillary muscles. In this paper we have investigated the influences of the calcium antagonist nifedipine and of reduced extracellular calcium concentration on this phenomenon. We ...

journal_title：Basic research in cardiology

authors： Spencer CI,Mörner SE,Noble MI,Seed WA

更新日期：1993-03-01 00:00:00

abstract：:Long QT syndrome is a potentially life-threatening disease characterized by delayed repolarization of cardiomyocytes, QT interval prolongation in the electrocardiogram, and a high risk for sudden cardiac death caused by ventricular arrhythmia. The genetic type 3 of this syndrome (LQT3) is caused by gain-of-function mu...

journal_title：Basic research in cardiology

authors： Malan D,Zhang M,Stallmeyer B,Müller J,Fleischmann BK,Schulze-Bahr E,Sasse P,Greber B

更新日期：2016-03-01 00:00:00

abstract：:Thyroid hormone (TH) is critical for tissue differentiation at early stages of development, induces physiological hypertrophy and regulates the expression of important contractile proteins such as myosin heavy chain (MHC) isoform and calcium cycling proteins. Furthermore, TH seems to control the response to stress by ...

journal_title：Basic research in cardiology

authors： Pantos C,Mourouzis I,Markakis K,Tsagoulis N,Panagiotou M,Cokkinos DV

更新日期：2008-07-01 00:00:00

abstract：:The cardiac renin angiotensin system (RAS) is the target for number of therapeutic interventions which proved successful in heart failure. Angiotensin converting enzyme (ACE) inhibitors belong to the most efficient strategies available and angiotensin receptor (ATR) antagonists may be comparably effective. The direct ...

journal_title：Basic research in cardiology

authors： Regitz-Zagrosek V,Fielitz J,Fleck E

更新日期：1998-01-01 00:00:00

abstract：:In order to clarify the genesis of the characteristic pressure and flow pulse contours of the common carotid artery of man, at first transcutaneous pulse recordings were carried out on healthy resting subjects during breathing of room air and of a mixture of 95% O2 and 5% CO2 (Carbogen). The latter was used to cause v...

journal_title：Basic research in cardiology

authors： Busse R,Bauer RD,Schabert A,Summa Y,Zinecker U,Wetterer E

更新日期：1977-11-01 00:00:00

abstract：:The influence of cardiac cholinergic activation was studied in rats and cats on the induction and maintenance of ventricular fibrillation (VF). Acetylcholine (ACH 2-25 micrograms/kg), in doses which did not cause bradycardia or hypotension, induced appearance of spontaneous VF (duration 2-60 sec.) in 9/20 rats which h...

journal_title：Basic research in cardiology

authors： Amitzur G,Manoach M,Weinstock M

更新日期：1984-11-01 00:00:00

abstract：:We compared the effects of linagliptin (Lina, a DPP4 inhibitor) and GLP-1 receptor activation by exenatide followed by exendin-4 in an infusion pump (EX) on infarct size (IS), post-infarction activation of the inflammasome and remodeling in wild-type (WT) and db/db diabetic mice. Mice underwent 30 min ischemia followe...

journal_title：Basic research in cardiology

authors： Birnbaum Y,Tran D,Bajaj M,Ye Y

更新日期：2019-08-06 00:00:00

abstract：:There is no doubt that major advances have been made in cardiac electrophysiology using single heart cells. Accurate analysis of rapid inward sodium current and the second inward current carried by calcium has resulted in a major re-examination of the steps involved in excitation-contraction coupling in the heart. Fut...

journal_title：Basic research in cardiology

authors： Powell T

更新日期：1985-01-01 00:00:00

abstract：:Studies were carried out in 39 barbiturate-anesthetized dogs to determine whether the renin-angiotensin system is important in control of hemodynamics and coronary flow during myocardial ischemia. Plasma renin activity (PRA) was 2.2 +/- 0.4 ng x ml-l x hr-1 immediately before coronary artery occlusion (CAO) and increa...

journal_title：Basic research in cardiology

authors： Ertl G,Alexander RW,Kloner RA

更新日期：1983-09-01 00:00:00

abstract：:The effects of 3 hours of ischemia and 1 hour of reperfusion on biochemical, physiological and ultrastructural parameters were studied in 12 dogs. In the ischemic subendocardium without reperfusion, mitochondrial losses of adenine (ATP + ADP + AMP) and pyridine (NAD + NADH) nucleotides far exceeded those observed in w...

journal_title：Basic research in cardiology

authors： Regitz V,Paulson DJ,Hodach RJ,Little SE,Schaper W,Shug AL

更新日期：1984-03-01 00:00:00

abstract：:Local photodynamic therapy was used to prevent neointimal hyperplasia after stenting. Slotted tube stents were placed with 16 atmospheres in porcine femoral arteries with the external diameter to match the diameter at 10 atmospheres. Animals were randomly allocated to Group 1 (stenting only); or Group 2 with stenting,...

journal_title：Basic research in cardiology

authors： Valassis G,Pragst I,Adolfs C,Paclik D,Wiens F,Vogel-Wiens C,Milz S,Gonschior P

更新日期：2002-03-01 00:00:00

abstract：:The isolated working rabbit heart preparation was used to study whether the "contractile machinery" remains unchanged in globally stunned myocardium. The function of the heart has been measured in nonischemic and postischemic conditions. The effect of isoprenaline or calcium chloride administration in both conditions ...

journal_title：Basic research in cardiology

authors： Andres J,Moczarska A,Stepkowski D,Kakol I

更新日期：1991-05-01 00:00:00

abstract：:From January 2020, coronavirus disease (COVID-19) originated in China has spread around the world. The disease is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The presence of myocarditis, cardiac arrest, and acute heart failure in COVID-19 patients suggests the existence of a relationshi...

journal_title：Basic research in cardiology

authors： Rizzo P,Vieceli Dalla Sega F,Fortini F,Marracino L,Rapezzi C,Ferrari R

更新日期：2020-04-09 00:00:00

abstract：:Ceramide has been shown to be a key signaling molecule involved in the apoptotic effect of tumor necrosis factor alpha (TNF-alpha) and other cytokines. Given the importance of cytokines such as TNF-alpha in myocardial ischemia-reperfusion injury, we hypothesize that ceramide is increased during ischemia or reperfusion...

journal_title：Basic research in cardiology

authors： Zhang DX,Fryer RM,Hsu AK,Zou AP,Gross GJ,Campbell WB,Li PL

更新日期：2001-05-01 00:00:00

abstract：:Mitochondria in largely postmitotic cells (e.g. cardiomyocytes, neurons or skeletal muscle myotubes) have a limited life span of a few weeks. Their replacement during normal turnover requires an intergenomic coordination between the mitochondrial genome (mtDNA, encoding for 13 protein subunits of the respiratory chain...

journal_title：Basic research in cardiology

authors： Szibor M,Holtz J

更新日期：2003-07-01 00:00:00

abstract：:Atrophy of the rat heart induced by hemodynamic unloading after heterotopic transplantation is associated with impaired relaxation while systolic function remains normal when compared to the heart of the recipient animal. To identify possible underlying mechanisms for the above, we studied some aspects of membrane cal...

journal_title：Basic research in cardiology

authors： Kolár F,MacNaughton C,Papousek F,Korecky B,Rakusan K

更新日期：1995-11-01 00:00:00

abstract：:The influence of norepinephrine on ventricular overdrive suppression and attendant potassium shifts has been studied in isolated perfused canine hearts with complete atrioventricular block. It was found that: 1) there is a potassium loss during the drive and a potassium uptake after the drive); 2) reducing the driving...

journal_title：Basic research in cardiology

authors： Pliam MB,Krellenstein DJ,Brooks CM,Vassalle M

更新日期：1977-01-01 00:00:00

abstract：:Atherosclerotic plaque rupture is the key event in the pathogenesis of acute coronary syndromes and it also occurs during coronary interventions. Atherosclerotic plaque rupture does not always result in complete thrombotic occlusion of the epicardial coronary artery with subsequent impending myocardial infarction, but...

journal_title：Basic research in cardiology

authors： Skyschally A,Leineweber K,Gres P,Haude M,Erbel R,Heusch G

更新日期：2006-09-01 00:00:00

abstract：:We investigated whether preconditioning could protect several cultured cell lines, to determine whether the protection is specific for cells derived from different myogenic and non-myogenic sources. Ischemia was simulated by centrifugation of cells into a pellet, and cell viability was determined by hypotonic trypan b...

journal_title：Basic research in cardiology

authors： Liu Y,Gao WD,O'Rourke B,Marban E

更新日期：1996-11-01 00:00:00

abstract：:Ex vivo multicellular preparations are essential tools to study tissue physiology. Among them, the recent methodological and technological developments in living myocardial slices (LMS) are attracting increasing interest by the cardiac research field. Despite this, this research model remains poorly perceived and util...

journal_title：Basic research in cardiology

authors： Watson SA,Dendorfer A,Thum T,Perbellini F

更新日期：2020-09-10 00:00:00

abstract：:The endothelin (ET) family of peptides have potent vascular, cardiac and renal actions which may be of pathophysiological importance in congestive heart failure (CHF). In vivo studies with selective and non-selective ET receptor antagonists are required to clarify the role of ET in the pathophysiology of CHF and deter...

journal_title：Basic research in cardiology

authors： Love MP,McMurray JJ

更新日期：1996-01-01 00:00:00

abstract：:The characterization of various ion transport systems has led to a better understanding of the effects, which seem to take part in the impairment of ischemic and reperfused cardiac tissue. This review discusses the role of the Na+/H+ exchange system in the pathophysiology of ischemia and reperfusion and the beneficial...

journal_title：Basic research in cardiology

authors： Scholz W,Albus U

更新日期：1993-09-01 00:00:00

abstract：:SIRT6, a member of the NAD(+)-dependent class III deacetylase sirtuin family, has been revealed to play important roles in promoting cellular resistance against oxidative stress. The formation of reactive oxygen species (ROS) and oxidative stress are the crucial mechanisms underlying cellular damage and dysfunction in...

journal_title：Basic research in cardiology

authors： Wang XX,Wang XL,Tong MM,Gan L,Chen H,Wu SS,Chen JX,Li RL,Wu Y,Zhang HY,Zhu Y,Li YX,He JH,Wang M,Jiang W

更新日期：2016-03-01 00:00:00

abstract：:The effect of isoproterenol perfusion on cAMP levels and phosphorylase activity was investigated in the spontaneously hypertensive rat (SHR) and Kyoto Wistar normotensive control rat (WKY) heart. The basal force of contraction in physiological salt solution perfused hearts was comparable between SHR and WKY. However, ...

journal_title：Basic research in cardiology

authors： Sharma RV,Gupta RC,Ramanadham M,Venema RC,Bhalla RC

更新日期：1983-11-01 00:00:00

abstract：:A new experimental in-vitro model is described, which was used for studying prostacyclin (PGI2)-thromboxane A2 (TXA2)-interactions. Langendorff hearts of guinea pigs are perfused at constant volume with Krebs-Henseleit buffer and washed human platelets (4 x 10(8)/min). PGI2 and TXA2 release are measured by bioassay. T...

journal_title：Basic research in cardiology

authors： Köhler P,Schrör K

更新日期：1981-09-01 00:00:00

abstract：:We have compared in open-chest dogs the evolution of adenine nucleotides and creatine phosphate to that of regional mechanical function during ischemia and reperfusion. Reperfusion restored normal value of creatine phosphate whereas adenine nucleotide level remained depressed. The percentage of systolic shortening, wh...

journal_title：Basic research in cardiology

authors： Vial C,Crozatier B,Goldschmidt D,Font B

更新日期：1982-11-01 00:00:00

abstract：:Pentostatin (2-deoxycoformycin) is a potent inhibitor of adenosine deaminase and has been demonstrated to augment endogenous adenosine levels during regional and global myocardial ischemia. Based on the rationale that increasing endogenous adenosine during ischemia may be cardioprotective, the objective of this study ...

journal_title：Basic research in cardiology

authors： McClanahan TB,Ignasiak DP,Martin BJ,Mertz TE,Gallagher KP

更新日期：1995-03-01 00:00:00

abstract：:A rapid change in length of cat papillary muscle induces two reciprocal diastolic and systolic processes: stretching causes a viscoelastic relaxation of the muscle. The opposite behavior is observed after abrupt releases when - subsequent to an increase in resting tension - diastolic force attains its new equilibrium....

journal_title：Basic research in cardiology

authors： Maisch B

更新日期：1976-07-01 00:00:00

abstract：:Perfusion of isoprenaline in the dog may induce left ventricular hypertrophy (LVH), and this effect is suppressed by propranolol. Cultured foetal cardiomyocytes exposed to catecholamines show an increase in protein synthesis and RNA turnover. In spontaneously hypertensive rats (SHR), and perhaps in man, sympatholytic ...

journal_title：Basic research in cardiology

authors： Rorive G,Carlier P,Smelten N,Zgheib A

更新日期：1991-01-01 00:00:00