Reduced cAMP levels and glycogen phosphorylase activation in isoproterenol perfused SHR myocardium.

abstract：:The effects of the dihydropyridine calcium antagonists, nifedipine, nitrendipine and FR 7534 on the transmural distribution of coronary blood flow (endo/epi) were compared to the structurally unrelated calcium antagonists, verapamil and diltiazem and to the non-calcium antagonist vasodilator drugs, chromonar and dipyr...

journal_title：Basic research in cardiology

authors： Warltier DC,Hardman HF,Brooks HL,Gross GJ

更新日期：1983-11-01 00:00:00

abstract：:It has been investigated whether calcium- and verapamil-dependent sensitivities of carotis baroreceptors also exist in man. To answer this question, we pre- and postoperatively measured changes in heart rate during carotid sinus stimulation before and after intravenous administration of 5 mg verapamil in 23 patients w...

journal_title：Basic research in cardiology

authors： Behrmann C,Runge M,Ringe JD

更新日期：1992-09-01 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

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：:In the chronically volume-overloaded canine heart due to AV-block evaluations of cardiac function were performed during the development of hypertrophy and at stable hypertrophy. In an early stage (1 and 2 weeks of AV-block) when no or only a slight increase of cardiac muscle occurred, contractility measured from dP/dt...

journal_title：Basic research in cardiology

authors： Wüsten B,Flameng W,Schaper W

更新日期：1977-03-01 00:00:00

abstract：:This study aimed to analyze the role of endothelial progenitor cell (EPC)-derived angiogenic factors and chemokines in the multistep process driving angiogenesis with a focus on the recently discovered macrophage migration inhibitory factor (MIF)/chemokine receptor axis. Primary murine and murine embryonic EPCs (eEPCs...

journal_title：Basic research in cardiology

authors： Kanzler I,Tuchscheerer N,Steffens G,Simsekyilmaz S,Konschalla S,Kroh A,Simons D,Asare Y,Schober A,Bucala R,Weber C,Bernhagen J,Liehn EA

更新日期：2013-01-01 00:00:00

abstract：:MicroRNAs (miRNAs) are important regulators of adaptive and maladaptive responses in cardiovascular diseases and hence are considered to be potential therapeutical targets. However, their role as novel biomarkers for the diagnosis of cardiovascular diseases still needs to be systematically evaluated. We assessed here ...

journal_title：Basic research in cardiology

authors： Meder B,Keller A,Vogel B,Haas J,Sedaghat-Hamedani F,Kayvanpour E,Just S,Borries A,Rudloff J,Leidinger P,Meese E,Katus HA,Rottbauer W

更新日期：2011-01-01 00:00:00

abstract：:DNA-dependent protein kinase catalytic subunit (DNA-PKcs) is a novel inducer to promote mitochondrial apoptosis and suppress tumor growth in a variety of cells although its role in cardiovascular diseases remains obscure. This study was designed to examine the role of DNA-PKcs in cardiac ischemia reperfusion (IR) inju...

journal_title：Basic research in cardiology

authors： Zhou H,Toan S,Zhu P,Wang J,Ren J,Zhang Y

更新日期：2020-01-09 00:00:00

abstract：:Vasoconstrictory and vasodilatory hormone systems may be important in the regulation of peripheral vascular resistance and renal hemodynamics in the early phase of heart failure. The activity of the renin-angiotensin-aldosterone system (RAAS), the sympathetic nervous activity, and, as possible counterregulating system...

journal_title：Basic research in cardiology

authors： Holmer SR,Riegger AJ,Notheis WF,Kromer EP,Kochsiek K

更新日期：1987-03-01 00:00:00

abstract：:Colloidal iron staining, calcium binding and enzyme activities were studied in the isolated rat heart sarcolemma. Colloidal iron staining of the sarcolemma revealed a high density of negatively charged sites associated with the cell surface. This membrane fraction was found to have calcium binding activity at both low...

journal_title：Basic research in cardiology

authors： Matsukubo MP,Singal PK,Dhalla NS

更新日期：1981-01-01 00:00:00

abstract：AIMS:We studied the capability of heart rate (HR) adjusted change in multichannel magnetocardiogram (MCG) to detect exercise-induced ischemia. METHODS AND RESULTS:The MCG and 12-lead ECG were recorded simultaneously during supine exercise testing in 17 healthy controls and 24 patients with single vessel coronary arter...

journal_title：Basic research in cardiology

authors： Takala P,Hänninen H,Montonen J,Korhonen P,Mäkijärvi M,Nenonen J,Oikarinen L,Toivonen L,Katila T

更新日期：2002-01-01 00:00:00

abstract：:We have characterized the aerobic blood-perfused isolated heart model evaluating the hemodynamics and metabolism of both the blood donor animal and the isolated organ. Anaesthesia of the blood donor with sodium pentobarbital (30 mg/kg) increases arterial concentration of non esterified fatty acids (NEFA) from 80 +/- 6...

journal_title：Basic research in cardiology

authors： Pasini E,Solfrini R,Bachetti T,Marino M,Bernocchi P,Visioli F,Ferrari R

更新日期：1999-06-01 00:00:00

abstract：:Cardiac mass, cell size and capillary supply were studied in the hearts of spontaneously hypertensive rats (SHR) and compared to genetically similar non-hypertensive Wistar-Kyoto (WKY) of three adult ages: 5, 15 and 23 months. The left ventricular weight of SHR was not significantly greater than that of WKY at 5 month...

journal_title：Basic research in cardiology

authors： Rakusan K,Hrdina PW,Turek Z,Lakatta EG,Spurgeon HA,Wolford GD

更新日期：1984-07-01 00:00:00

abstract：:At 36 degrees C and 2 mM [Ca2+]o, single guinea-pig ventricular myocytes were voltage clamped with patch electrodes. When paired pulsing had potentiated the contraction to the maximum, the cells were shock-frozen for electron probe microanalysis (EPMA). Shock-freezing was timed at the end of diastole (-80 mV) or at di...

journal_title：Basic research in cardiology

authors： Wendt-Gallitelli MF,Isenberg G,Voigt T,Ross C

更新日期：1991-01-01 00:00:00

abstract：OBJECTIVES:The impact of acute collagen disruption by the disulfide donor, 5,5'-dithio-2-nitrobenzoic acid (DTNB) on ventricular properties was tested in rat hearts. METHODS:Collagen was degraded acutely in 13 isolated, isovolumically contracting rat hearts by perfusion with 1 mM DTNB added to Krebs-Henseleit solution...

journal_title：Basic research in cardiology

authors： Todaka K,Jiang T,Chapman JT,Gu A,Zhu SM,Herzog E,Hochman JS,Steinberg SF,Burkhoff D

更新日期：1997-06-01 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：:Ischaemic preconditioning is one of the most potent experimental modalities known to decrease infarct size after ischaemia and reperfusion. Much interest has been stimulated by the phenomenon of remote ischaemic conditioning (RIC), in which the preconditioning stimulus is applied to a limb remote from the heart to sti...

journal_title：Basic research in cardiology

authors： Davidson SM,Selvaraj P,He D,Boi-Doku C,Yellon RL,Vicencio JM,Yellon DM

更新日期：2013-09-01 00:00:00

abstract：:Transient receptor potential melastatin-7 (TRPM7) channels have been recently reported in human atrial fibroblasts and are believed to mediate fibrogenesis in human atrial fibrillation. The present study investigates whether TRPM7 channels are expressed in human atrial myocytes using whole-cell patch voltage-clamp, RT...

journal_title：Basic research in cardiology

authors： Zhang YH,Sun HY,Chen KH,Du XL,Liu B,Cheng LC,Li X,Jin MW,Li GR

更新日期：2012-09-01 00:00:00

abstract：:We previously demonstrated the presence of components for a renin-angiotensin system in fibroblasts cultured from neonatal rat ventricles, the regulation of expression of which has not been studied. Since glucocorticoids and beta-adrenergic stimuli have been implicated in cardiac hypertrophy, and function as regulator...

journal_title：Basic research in cardiology

authors： Dostal DE,Booz GW,Baker KM

更新日期：2000-12-01 00:00:00

abstract：:Necrosis is a type of cell death characterized by a gain in cell volume, swelling of organelles, rupture of the plasma membrane and subsequent loss of intracellular contents. For a long time, the process has been considered as a merely accidental and uncontrolled form of cell death, but accumulating evidence suggests ...

journal_title：Basic research in cardiology

authors： Martinet W,Schrijvers DM,De Meyer GR

更新日期：2011-09-01 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：:Dietary intake of unsaturated fatty acid of eicosapentaenoic acid (EPA) is thought to reduce the size and incidence of myocardial infarction. These beneficial effects are postulated to be due to chronic antithrombotic properties of EPA itself. We studied the possible direct effects of EPA on vascular smooth muscle as ...

journal_title：Basic research in cardiology

authors： Yanagisawa A,Lefer AM

更新日期：1987-03-01 00:00:00

abstract：:Cardiomyopathy is one of the most common causes of chronic heart failure worldwide. Mutations in the gene encoding nexilin (NEXN) occur in patients with both hypertrophic and dilated cardiomyopathy (DCM); however, little is known about the pathophysiological mechanisms and relevance of NEXN to these disorders. Here, w...

journal_title：Basic research in cardiology

authors： Aherrahrou Z,Schlossarek S,Stoelting S,Klinger M,Geertz B,Weinberger F,Kessler T,Aherrahrou R,Moreth K,Bekeredjian R,Hrabě de Angelis M,Just S,Rottbauer W,Eschenhagen T,Schunkert H,Carrier L,Erdmann J

更新日期：2016-01-01 00:00:00

abstract：:It is shown that hypertrophied rat myocardium exhibits marked prolongation of its action potential during non-essential changes both in the resting potential, as well as in the amplitude of the action potential, and during a moderate but nonsignificant reduction in the maximum upstroke velocity. When examining action ...

journal_title：Basic research in cardiology

authors： Gülch RW

更新日期：1980-01-01 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：: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：: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：:The relationship between ischemic contracture and no-reflow phenomenon was studied in 59 isolated rat hearts during global ischemia. The contracture was measured by a water-filled balloon catheter placed in the left ventricular lumen. The time of onset of contracture was changed by preischemic infusion with buffer con...

journal_title：Basic research in cardiology

authors： Lipasti JA,Nevalainen TJ,Alanen KA

更新日期：1982-07-01 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：: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