Transthoracic echocardiography in rats. Evalution of commonly used indices of left ventricular dimensions, contractile performance, and hypertrophy in a genetic model of hypertrophic heart failure (SHHF-Mcc-facp-Rats) in comparison with Wistar rats during

abstract：:Enzymes involved in the metabolism nitric oxide (NO) and reactive oxygen species (ROS) may play a role for the decreased availability of NO in atherosclerosis. We, therefore, hypothesized that the pattern of gene expression of these enzymes is altered in atherosclerosis. Myocardial tissue from patients with coronary h...

journal_title：Basic research in cardiology

authors： Chen X,Niroomand F,Liu Z,Zankl A,Katus HA,Jahn L,Tiefenbacher CP

更新日期：2006-07-01 00:00:00

abstract：:In this report we review the replacement (i.e., scarring) and reactive (i.e., perivascular and interstitial fibrosis) fibrous tissue responses found in the myocardium in response to effector hormones of the renin-angiotensin-aldosterone system. Experimental data are presented to indicate: a) endogenous or exogenous el...

journal_title：Basic research in cardiology

authors： Weber KT,Brilla CG,Campbell SE,Guarda E,Zhou G,Sriram K

更新日期：1993-01-01 00:00:00

abstract：:Since the discovery of a novel mechanism of cell death that differs from traditional necrosis, i.e., apoptosis, there have been numerous studies concluding that increased apoptosis augments myocardial infarction and heart failure and that limiting apoptosis protects the heart. Importantly, the vast majority of cells i...

journal_title：Basic research in cardiology

authors： Jose Corbalan J,Vatner DE,Vatner SF

更新日期：2016-05-01 00:00:00

abstract：:Both the severity and duration of postischemic myocardial dysfunction ("stunned" myocardium) are unpredictable and may vary considerably between subjects that underwent apparently similar ischemic insults. To explain this heterogeneous response of the heart to ischemia and reperfusion, we investigated the determinants...

journal_title：Basic research in cardiology

authors： Wouters PF,Van de Velde M,Van Aken H,Flameng W

更新日期：1996-03-01 00:00:00

abstract：:For 219 children between 3 and 15 years with the most frequent congenital and acquired heart failures it was investigated in what way the STI differ consistently from the corresponding standard values. It was found that all the STI of children with cardiovascular diseases can vary from the normal values scaled by hear...

journal_title：Basic research in cardiology

authors： Braun U,Rautenburg HW

更新日期：1978-07-01 00:00:00

abstract：:The ability of the rhesus monkey to form coronary collaterals was tested in ten animals. Ameroid constrictors were implanted on the left circumflex coronary artery and allowed to remain for 12 weeks. One animal died of an acute myocardial infarction nine days after surgery; the remaining animals survived without clini...

journal_title：Basic research in cardiology

authors： Buss DD,Hyde DM,Steffey EP

更新日期：1983-09-01 00:00:00

abstract：:In the control perfused working rat hearts subjected to 25 min global ischemia, reperfusion resulted in a 50% recovery of the hemodynamic functions. A concentration-dependent improvement of this recovery and a reduction of the postischemic lactate dehydrogenase (LDH) release was caused by calmidazolium (CMZ), trifluop...

journal_title：Basic research in cardiology

authors： Beresewicz A

更新日期：1989-11-01 00:00:00

abstract：:The behavior of Ca(2+)-activated K+ channels of large conductance (BKCa) in smooth muscle cells, which were obtained from atherosclerotic plaque material (SMCP) and from media segments (SMCM) of human coronary arteries, were compared using the patch-clamp technique. Voltage-clamp protocols in cell-attached patches rev...

journal_title：Basic research in cardiology

authors： Wiecha J,Schläger B,Voisard R,Hannekum A,Mattfeldt T,Hombach V

更新日期：1997-08-01 00:00:00

abstract：:Atherosclerotic coronary arteries are more calcified in patients with than without chronic kidney disease (CKD). We addressed the potential for coronary microvascular obstruction in patients with and without CKD during stenting for saphenous vein aorto-coronary graft (SVG) stenosis under protection with a distal occlu...

journal_title：Basic research in cardiology

authors： Baars T,Kleinbongard P,Böse D,Konorza T,Möhlenkamp S,Hippler J,Erbel R,Heusch G

更新日期：2012-11-01 00:00:00

abstract：:Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia with a strong genetic component. Molecular pathways involving the homeodomain transcription factor Shox2 control the development and function of the cardiac conduction system in mouse and zebrafish. Here we report the analysis of human SHOX2 as a potent...

journal_title：Basic research in cardiology

authors： Hoffmann S,Clauss S,Berger IM,Weiß B,Montalbano A,Röth R,Bucher M,Klier I,Wakili R,Seitz H,Schulze-Bahr E,Katus HA,Flachsbart F,Nebel A,Guenther SP,Bagaev E,Rottbauer W,Kääb S,Just S,Rappold GA

更新日期：2016-05-01 00:00:00

abstract：:We investigated the force-frequency relationship (0.5-3 Hz) in non-failing human myocardium and in end-stage failing human myocardium due to dilated cardiomyopathy or subacute myocarditis. In non-failing myocardium, force of contraction increased with increasing stimulation frequency. In end-stage heart failure, the f...

journal_title：Basic research in cardiology

authors： Pieske B,Hasenfuss G,Holubarsch C,Schwinger R,Böhm M,Just H

更新日期：1992-01-01 00:00:00

abstract：:Isolated rat hearts were perfused by the recirculating Langendorff mode under normoxic conditions for 60 min. The Krebs-Ringer buffer was supplemented with 10 mM glucose + 12 IU/l insulin and either [U-14C]-fructose-1,6-bisphosphate (together with 5 mM cold fructose-1,6-bisphosphate) or [U-14C]-fructose (together with...

journal_title：Basic research in cardiology

authors： Tavazzi B,Starnes JW,Lazzarino G,Di Pierro D,Nuutinen EM,Giardina B

更新日期：1992-05-01 00:00:00

abstract：:In open-chest pigs during severe myocardial ischemia [K+]e, [Ca2+]e and [H+]e increase, [Na+]e increases transiently reaching control values after 30 min. Extracellular osmolality of the ischemic area increases due to an H2O-shift from the ECS to the ICS. The increase of [Na+]e and [Ca2+]e must b explained by the shri...

journal_title：Basic research in cardiology

authors： Friedrich R,Hirche H,Kebbel U,Zylka V,Bissig R

更新日期：1981-07-01 00:00:00

abstract：:The capillary wall, due to its diffusional resistance, causes concentration differences between the vascular space and the interstitial space for substances which are released or taken up by the heart. Estimation of capillary transfer and interstitial concentration in isolated hearts, however, indicates a variable dif...

journal_title：Basic research in cardiology

authors： Kammermeier H,Wein B,Gerards P,Lang U,Wendtland B,Schmitz D,Rose H

更新日期：1985-01-01 00:00:00

abstract：:In Langendorff-perfused guinea pig hearts, local myocardial perfusion was evaluated by analysis of FITC-dextran-150 elution kinetics after bolus injection. Locally estimated half-times of the monoexponential elution curves showed good correlation with global undisturbed coronary flow. After ligation of the left anteri...

journal_title：Basic research in cardiology

authors： Rösen R,Marsen A,Klaus W

更新日期：1984-01-01 00:00:00

abstract：:The assessment of proarrhythmic risks of drugs remains challenging. To evaluate the suitability of rat engineered heart tissue (EHT) for detecting proarrhythmic effects. We monitored drug effects on spontaneous contractile activity and, in selected cases, on action potentials (sharp microelectrode) and Ca2+ transients...

journal_title：Basic research in cardiology

authors： Eder A,Hansen A,Uebeler J,Schulze T,Neuber C,Schaaf S,Yuan L,Christ T,Vos MA,Eschenhagen T

更新日期：2014-01-01 00:00:00

abstract：:The cardiac organ manifestation of arterial hypertension comprises the myocardium itself with left-ventricular hypertrophy, the interstitium with perivascular and interstitial fibrosis, and the coronary circulation with disease of large and small coronary arteries. The consequences of the sum and interactions of these...

journal_title：Basic research in cardiology

authors： Vogt M,Motz W,Strauer BE

更新日期：1991-01-01 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：:The purpose of this study was to determine if decreased heart function after hypoxia followed by reoxygenation (H-R) is associated with increased degradation of cardiac myosin light chain 1 (MLC1) by matrix metalloproteinase-2 (MMP-2), and to investigate the effects of the increased level of peroxynitrite in the heart...

journal_title：Basic research in cardiology

authors： Doroszko A,Polewicz D,Sawicka J,Richardson JS,Cheung PY,Sawicki G

更新日期：2009-11-01 00:00:00

abstract：:Regional glucose utilization of the developing fetal feline heart was assessed during three stages of gestation and compared with the maternal heart and non-pregnant controls. The specific aims were to determine: 1) if glucose utilization by the whole heart changes from early to late gestation; 2) if there are differe...

journal_title：Basic research in cardiology

authors： Kostreva DR,Wood JD

更新日期：1991-07-01 00:00:00

abstract：:Receptor for advanced glycation end products (RAGE) and connective tissue growth factor (CTGF) play a key role in diabetic myocardial fibrosis, and peroxisome proliferator-activated receptor-gamma (PPAR-gamma) activation has been reported to reduce RAGE and CTGF expression. This study investigated the effects of the P...

journal_title：Basic research in cardiology

authors： Ihm SH,Chang K,Kim HY,Baek SH,Youn HJ,Seung KB,Kim JH

更新日期：2010-05-01 00:00:00

abstract：:Pressure-overloaded cardiac hypertrophy was induced by abdominal aortic constriction in 10-week-old male Wistar rats. 24-26 weeks after aortic constriction, the hearts were excised and a myocardial mechanical study was performed using isolated left ventricular papillary muscles. There was no significant difference in ...

journal_title：Basic research in cardiology

authors： Takeda N,Ohkubo T,Nakamura I,Suzuki H,Nagano M

更新日期：1987-07-01 00:00:00

abstract：:Rate or frequency-dependence is a characteristic property of antiarrhythmic drugs belonging to the Vaughan William classes I and III. The rate-dependence of class I drugs (i.e., increasing blockade of fast Na(+)-channels with faster rates) results from periodical drug binding to Na(+)-channel sites which are preferabl...

journal_title：Basic research in cardiology

authors： Weirich J,Antoni H

更新日期：1998-01-01 00:00:00

abstract：:A study of substrate selection in the isolated heart was made using 13C NMR isotopomer analysis, a method that unequivocally identifies relative substrate utilization. This technique has several advantages over conventional approaches used to study this problem. It detects the labeling of metabolic end-products presen...

journal_title：Basic research in cardiology

authors： Jeffrey FM,Diczku V,Sherry AD,Malloy CR

更新日期：1995-09-01 00:00:00

abstract：:The quantitative predominance of free and total cholesterol over the amount of mural calcium is a most significant criterion of healthy human coronary arteries during the whole life span (0-90 years). However, this normal ratio increasingly changes as soon as arteriosclerotic alterations of the coronary walls set in. ...

journal_title：Basic research in cardiology

authors： Frey M,Just H

更新日期：1994-01-01 00:00:00

abstract：:Coronary artery disease (CAD), also known as ischemic heart disease (IHD), is the leading cause of mortality in the western world, with developing countries showing a similar trend. With the increased understanding of the role of the immune system and inflammation in coronary artery disease, it was shown that macropha...

journal_title：Basic research in cardiology

authors： Jansen MF,Hollander MR,van Royen N,Horrevoets AJ,Lutgens E

更新日期：2016-07-01 00:00:00

abstract：:Cardiac alpha- and beta-adrenoceptors and the positive inotropic effects of several adenylate cyclase dependent and independent agents have been measured in papillary muscle strips from patients without, as well as with moderate and severe heart failure. The number of beta-adrenoceptors was found to be decreased depen...

journal_title：Basic research in cardiology

authors： Erdmann E,Böhm M

更新日期：1989-01-01 00:00:00

abstract：:Previous studies indicated that the increase in protein kinase C (PKC)-mediated myofilament protein phosphorylation observed in failing myocardium might be detrimental for contractile function. This study was designed to reveal and compare the effects of PKCalpha- and PKCepsilon-mediated phosphorylation on myofilament...

journal_title：Basic research in cardiology

authors： Kooij V,Boontje N,Zaremba R,Jaquet K,dos Remedios C,Stienen GJ,van der Velden J

更新日期：2010-03-01 00:00:00

abstract：:An orifice equation for the non-invasive measurement of mitral-valve area is demonstrated. It is shown that by combining this expression with the assumption of mitral-valve area invariance an orifice equation for the non-invasive assessment of cardiac output in conditions of mitral stenosis using simple echographicall...

journal_title：Basic research in cardiology

authors： Seitz WS,Spiel MS,Operschall J,Pachinger O,Klicpera M

更新日期：1983-01-01 00:00:00

abstract：:8 mm long sections of common carotid arteries of conscious, freely moving rabbits were electrically stimulated with DC-impulses by chronically implanted gold-electrodes daily for 1/2 h or two times 1/2 h per day for 4--6 weeks. The electrodes were arranged in such a way that the wall was stimulated transmurally, In th...

journal_title：Basic research in cardiology

authors： Betz E,Schlote W

更新日期：1979-01-01 00:00:00