Research Topics
Genomes and Genes | R H G SchwingerSummaryAffiliation: University of Cologne Country: Germany Publications
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Publications
Crataegus special extract WS 1442 increases force of contraction in human myocardium cAMP-independentlyR H Schwinger
Laboratory of Muscle Research and Molecular Cardiology, Clinic III of Internal Medicine, University of Cologne, Germany
J Cardiovasc Pharmacol 35:700-7. 2000..In addition, WS 1442 improves the force-frequency relation in failing human myocardium...
The enhanced contractility in phospholamban deficient mouse hearts is not associated with alterations in (Ca2+)-sensitivity or myosin ATPase-activity of the contractile proteinsR H Schwinger
Clinic III of Internal Medicine, University of Cologne, Germany
Basic Res Cardiol 95:12-8. 2000..At the level of the regulation of crossbridge interaction, no adaptive or compensatory mechanisms have been initiated by ablation of phospholamban...
Overexpression of sorcin enhances cardiac contractility in vivo and in vitroK F Frank
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph Stelzmannstr 9, 50924 Köln, Germany
J Mol Cell Cardiol 38:607-15. 2005..These results strengthen the notion that overexpression of SOR improves cardiac contractility independent of beta-adrenergic stimulation and may prove beneficial in the treatment of decreased cardiac output such as heart failure...
Calcium and the failing heart: phospholamban, good guy or bad guy?Robert H G Schwinger
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, Joseph Stelzmannstrasse, 50924 Köln, Germany
Sci STKE 2003:pe15. 2003..This Perspective discusses new advances in our understanding of the role of phospholamban in intracellular Ca(2+) handling and the development of human and murine cardiomyopathies...
cAMP-dependent protein kinase A-stimulated sarcoplasmic reticulum function in heart failureR H Schwinger
Laboratory of Muscle Research and Molecular Cardiology, University of Cologne, Germany
Ann N Y Acad Sci 853:240-50. 1998..The altered regulation of the SR-CA(2+)-ATPase in human heart failure may offer an opportunity for an improvement in the therapy of heart failure...
Reduced sodium pump alpha1, alpha3, and beta1-isoform protein levels and Na+,K+-ATPase activity but unchanged Na+-Ca2+ exchanger protein levels in human heart failureR H Schwinger
Klinik III für Innere Medizin der Universität zu Köln Germany
Circulation 99:2105-12. 1999..In patients with heart failure the sensitivity toward cardiac glycosides is enhanced...
[If the myofilaments become sensitive: Ca2+-sensitizer for the therapy of heart insufficiency]R H Schwinger
, ,
Dtsch Med Wochenschr 130:969-73. 2005
The Na, K-ATPase in the failing human heartRobert H G Schwinger
Laboratory of Muscle Research and Molecular Cardiology, Clinic III of Internal Medicine, University of Cologne, Joseph Stelzmann Strasse 9, 50924, Cologne, Germany
Cardiovasc Res 57:913-20. 2003..Cardiac glycoside treatment is still the only safe inotropic drug for oral use that improves hemodynamics in patients with compromised cardiac function...
[Treatment of heart failure with beta-receptor-blockers]R H Schwinger
, Germany
Dtsch Med Wochenschr 127:682-8. 2002
Chronic treatment with carvedilol improves Ca(2+)-dependent ATP consumption in triton X-skinned fiber preparations of human myocardiumK Brixius
Department of Molecular and Cellular Sport Medicine, German Sport University, Cologne, Germany
J Pharmacol Exp Ther 322:222-7. 2007..The more economic cross-bridge cycling in patients under carvedilol treatment may provide an explanation for the efficacy of carvedilol in the treatment of chronic heart failure patients...
Total beta-adrenoceptor deficiency results in cardiac hypotrophy and negative inotropyS Lee
Department III of Internal Medicine, University of Cologne, Cologne, Germany
Physiol Res 59:679-89. 2010..The decreased SERCA 2a activity following beta-adrenoceptor deficiency may be partly compensated by an increased myofibrillar calcium-sensitivity...
The increased angiotensin II (type 1) receptor density in myocardium of type 2 diabetic patients is prevented by blockade of the renin-angiotensin systemH Reuter
Laboratory of Muscle Research and Molecular Cardiology, Department III of Internal Medicine, University of Cologne, Joseph Stelzmann Str 9, Cologne, Germany
Diabetologia 49:3067-74. 2006..In addition, we determined the effect of treatment with ACE inhibitors or AT1 receptor blockers on expression levels of the receptor in diabetic patients...
Nebivolol induces eNOS activation and NO-liberation in murine corpus cavernosumC Reidenbach
Department of Molecular and Cellular Sport Medicine, Institute of Cardiology and Sport Medicine, German Sport University Cologne, Cologne, Germany
Life Sci 80:2421-7. 2007..Since cardiovascular diseases are often associated with the development of erectile dysfunction, the nebivolol-induced eNOS-activation in corpus cavernosum may be beneficial when treating patients suffering from cardiovascular disease...
Beta3-adrenergic stimulation in the human heart: signal transduction, functional implications and therapeutic perspectivesC Pott
Laboratory for Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Germany
Pharmazie 61:255-60. 2006..In this context, the beta3-adrenoceptor is discussed as a novel target for the pharmacological therapy of heart failure...
[Beta-adrenoceptor antagonists in the treatment of chronic heart failure]A Bundkirchen
, , Germany
Pharmazie 59:83-92. 2004..Based on the results of large clinical trials, experimental-pharmacological properties of beta-adrenoceptor blockers as well as the main aspects of its clinical use are discussed...
Sarcoplasmic reticulum Ca2+ATPase and phospholamban mRNA and protein levels in end-stage heart failure due to ischemic or dilated cardiomyopathyM Flesch
Klinik III fur Innere Medizin, Universitat Koln, Germany
J Mol Med (Berl) 74:321-32. 1996..The observed alterations are not dependent on the underlying cause of end-stage heart failure...
The preferential beta3-adrenoceptor agonist BRL 37344 increases force via beta1-/beta2-adrenoceptors and induces endothelial nitric oxide synthase via beta3-adrenoceptors in human atrial myocardiumC Pott
Clinic III of Internal Medicine, Laboratory of Muscle Research and Molecular Cardiology, University of Cologne, , Germany
Br J Pharmacol 138:521-9. 2003..In conclusion, this study shows that beta(3)-adrenergic stimulation is present in human atrium, but may not be functionally as significant as in the left ventricle...
Force/shortening-frequency relationship in multicellular muscle strips and single cardiomyocytes of human failing and nonfailing heartsK Brixius
Laboratory of Muscle Research and Molecular Cardiology, Clinic III for Internal Medicine, University of Cologne, Cologne, Germany
J Card Fail 7:335-41. 2001..5 Hz; FOC, 180% basal; cell shortening, 129% basal). CONCLUSIONS: The negative force-frequency relationship measured in multicellular preparations of failing human myocardium results from alterations at the single cell level...
Coupling of M-cholinoceptors and A1 adenosine receptors in human myocardiumM Bohm
Klinik III fur Innere Medizin, Universitat zu Koln, Germany
Am J Physiol 266:H1951-8. 1994..It is concluded that stimulation of M-cholinoceptors but not A1 adenosine receptors is able to maximally activate a pool of G protein alpha-subunits.(ABSTRACT TRUNCATED AT 250 WORDS)..
Differential increase of CD34, KDR/CD34, CD133/CD34 and CD117/CD34 positive cells in peripheral blood of patients with acute myocardial infarctionF Grundmann
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Cologne, Germany
Clin Res Cardiol 96:621-7. 2007..For potential therapeutic use, understanding the endogenous mechanisms after ischemia is inevitable. We investigated the absolute number, but also the subset composition of CD34+ CPC after AMI...
Nebivolol, carvedilol and metoprolol do not influence cardiac Ca(2+) sensitivityA Bundkirchen
, , Joseph-Stelzmann-Strasse 9, D-50924 Cologne, Lindenthal, Germany
Eur J Pharmacol 422:175-80. 2001..In conclusion, none of the investigated beta-adrenoceptor antagonists influenced Ca(2+) sensitivity of myofibrillar tension development in human failing myocardium...
Nebivolol, bucindolol, metoprolol and carvedilol are devoid of intrinsic sympathomimetic activity in human myocardiumK Brixius
Laboratory of Muscle Research and Molecular Cardiology, Clinic III of Internal Medicine, University of Cologne, Joseph-Stelzmann-Str. 9, , Germany
Br J Pharmacol 133:1330-8. 2001..These differences as well as the mode of extracardiac action may have an impact on outcome of patients treated with beta-adrenoceptor antagonists...
Increased expression of isoform 1 of the sarcoplasmic reticulum Ca(2+)-release channel in failing human heartG Munch
Laboratory of Muscle Research and Molecular Cardiology, Klinik III fur Innere Medizin, University of Cologne, Cologne, Germany
Circulation 103:2739-44. 2001....
Calcineurin independent development of myocardial hypertrophy in transgenic rats overexpressing the mouse renin gene, TGR(mREN2)27H Diedrichs
Laboratory for Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph Stelzmann Strasse 9, 50924 Cologne, Germany
J Mol Med (Berl) 82:688-95. 2004..Thus GATA-4 seems to be a marker of hypertrophy independently of calcineurin activation, possibly activated by various pathways...
The effect of preoperative antiplatelet therapy in coronary artery surgery: blood transfusion requirements for patients on cardiopulmonary bypassK Hekmat
Department of Thoracic and Cardiovascular Surgery, University of Cologne, Germany
Curr Med Res Opin 20:1429-35. 2004..The purpose of this study was to examine the influence of APT therapy on haemorrhage and transfusion requirements in patients undergoing coronary artery bypass (CABG) on cardiopulmonary bypass (CPB)...
Loss of annexin A7 leads to alterations in frequency-induced shortening of isolated murine cardiomyocytesC Herr
Institute of Biochemistry I, University of Cologne, 50931 Cologne, Germany
Mol Cell Biol 21:4119-28. 2001..This suggests a function for annexin A7 in electromechanical coupling, probably through Ca(2+) homoeostasis...
Studies of the nucleoside transporter inhibitor, draflazine, in the human myocardiumM Bohm
Klinik III fur Innere Medizin, Universitat zu Koln, Germany
Br J Pharmacol 112:137-42. 1994..6. Draflazine could be a useful agent for cardio preservation because it does not produce cardio depressant effects. Thus, it may be possible to perfuse explanted hearts directly with this agent without the hazard of cardiodepression...
Interference by cellular phones with permanent implanted pacemakers: an updateK Hekmat
Department of Cardiothoracic Surgery, University of Cologne, 50924 Cologne, Germany
Europace 6:363-9. 2004..The aim of this study was to test pacemakers with feedthru filters for interference with a digital cellular telephone...
Effect of epinine on tension of human renal arteriesR H Schwinger
Klinik III fur Innere Medizin, Universitat zu Koln, Germany
Naunyn Schmiedebergs Arch Pharmacol 354:343-7. 1996..The present study aimed to characterize the effects of epinine, the active metabolite of ibopamine on tension development in human renal arteries...
[Therapy of heart failure in the elderly]Carsten Zobel
Labor für Herzmuskelphysiologie und Molekulare Kardiologie, Klinik III für Innere Medizin der Universität zu Köln
Med Klin (Munich) 101:47-50. 2006..However, side effects and interactions between drugs are more frequent and require special attention. The majority of concomitant diseases are no contraindication to heart failure treatment...
Ca2+-sensitisers--a promising option to treat heart failure?Klara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Cologne
Cardiovasc Drugs Ther 19:423-8. 2005..This review provides a survey on the molecular mechanisms and the therapeutic effectiveness of Ca(2+)-sensitisers for the treatment of human heart failure...
eNOS translocation but not eNOS phosphorylation is dependent on intracellular Ca2+ in human atrial myocardiumChristian Pott
Department of Molecular and Cellular Sport Medicine, German Sport University Cologne, Institutsgebäude 1, 9 OG, Carl Diem Weg 6, Rm 911, D 50933 Cologne, Germany
Am J Physiol Cell Physiol 290:C1437-45. 2006..3) Although Ca(2+) dependent, eNOS translocation and NO release could not be mimicked by adenylate cyclase activation as a mediator of beta-adrenergic stimulation...
[Mesenchymal stem cells for cardiac regeneration]Benjamin Krausgrill
,
Med Klin (Munich) 101:202-6. 2006..Thus, MSC show promising experimental results, and may be of therapeutic value for heart disease in the future. However, there are many unanswered questions and problems, which need to be resolved before...
Reduced sarcoplasmic reticulum Ca2+ -ATPase activity and dephosphorylated phospholamban contribute to contractile dysfunction in human hibernating myocardiumHolger M Nef
Department of Cardiology, Kerckhoff Heart Centre, Benekestr. 2-8, Bad Nauheim 61231, Germany
Mol Cell Biochem 282:53-63. 2006..In HHM a decreased activity of SERCA2a due to an impaired phosphorylation of PLN contributes to contractile dysfunction. The increase in the relative ratio of PLN/SERCA2a leads to a decreased calcium affinity of SERCA2a...
[Reverse remodeling of the intracellular Ca(2+)-homeostasis: new concepts of pathophysiology and therapy of heart failure]Klara Brixius
, ,
Wien Med Wochenschr 156:209-15. 2006..In addition, new therapeutic options will be introduced which may be of importance for the treatment of heart failure patients...
ENOS is not activated by nebivolol in human failing myocardiumKlara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Germany
Life Sci 79:1234-41. 2006..This mode of action may be of advantage when treating heart failure patients...
Mesenchymal stem cells induce endothelial activation via paracine mechanismsDennis Ladage
Laboratory for Muscle Research and Molecular Cardiology, Department III of Internal Medicine, University of Cologne, Carl Diem Weg 6, 50933 Cologne, Germany
Endothelium 14:53-63. 2007..Concluding, the authors postulate that MSCs emit soluble factors that alter the NO and calcium levels of endothelial cells and may be important for facilitate crossing the endothelial barrier...
Alterations of tension-dependent ATP utilization in a transgenic rat model of hypertrophic cardiomyopathyNorbert Frey
Department of Medicine III, University of Heidelberg, 69120 Heidelberg, Germany
J Biol Chem 281:29575-82. 2006..Taken together, our data support the hypothesis of energy compromise as a contributing factor in the pathogenesis of FHC...
Beta3-adrenergic eNOS stimulation in left ventricular murine myocardiumKlara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Germany
Can J Physiol Pharmacol 84:1051-60. 2006..These pathways are used in a regional-dependent manner. beta3-adrenergic oxygen-derived free radical production might be important in situations of enhanced beta3-adrenoceptor activation, as has been described in human heart failure...
Losartan prevents stretch-induced electrical remodeling in cultured atrial neonatal myocytesErol Saygili
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Kerpenerstr 62, 50924 Cologne, Germany
Am J Physiol Heart Circ Physiol 292:H2898-905. 2007..This prevented the stretch-induced abbreviation of action potential duration. Prevention of stretch-induced electrical remodeling might contribute to the clinical effects of losartan against AF...
Mechanisms of Ca2+-dependent calcineurin activation in mechanical stretch-induced hypertrophyCarsten Zobel
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Cologne, Germany
Cardiology 107:281-90. 2007....
Enhanced heterogeneity of myocardial conduction and severe cardiac electrical instability in annexin A7-deficient miceJan W Schrickel
Department of Medicine Cardiology, University of Bonn, Germany
Cardiovasc Res 76:257-68. 2007..We investigated the impact of annexin A7 on cardiac electrophysiological properties using an annexin A7-deficient mouse strain (annexin A7(-/-))...
Altered tension cost in (TG(mREN-2)27) rats overexpressing the mouse renin geneCarsten Zobel
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph Stelzmann Str 9, 50924, Cologne, Germany
Eur J Appl Physiol 99:121-32. 2007..The present study demonstrates that cardiac hypertrophy, induced by an activation of the renin-angiotensin system, leads to adapting alterations on the level of the contractile filaments, which reduce tension cost...
Genetically changed mice with chronic deficiency or overexpression of the beta-adrenoceptors--what can we learn for the therapy of heart failure?Samuel Lee
Laboratory of Muscle Research and Molecular Cardiology, Department III for Internal Medicine, University of Cologne, Cologne, Germany
Pflugers Arch 455:767-74. 2008....
Sarcoplasmic Ca2+ release is prolonged in nonfailing myocardium of diabetic patientsHannes Reuter
Laboratory of Muscle Research and Molecular Cardiology, Department III of Internal Medicine, University of Cologne, Kerpener Str 62, 50937 Cologne, Germany
Mol Cell Biochem 308:141-9. 2008..This defective Ca(2+) release may represent an early stage of ventricular dysfunction in type 2 diabetes and would favor the abnormal response to exercise frequently observed in asymptomatic diabetic patients...
A simple device to apply equibiaxial strain to cells cultured on flexible membranesObaida R Rana
Univ Hospital RWTH Aachen, Dept I of Internal Medicine, Division of Cardiology, Pulmonary and Vascular Diseases, Pauwelsstrasse 30, Aachen, Germany
Am J Physiol Heart Circ Physiol 294:H532-40. 2008..The simple and low-cost device presented here might be applied to a wide range of experimental settings in different fields of research...
[On the function of beta3-adrenoceptors in the human heart: signal transduction, inotropic effect and therapeutic prospects]Christian Pott
Universitatsklinikum Munster, Medizinische Klinik und Poliklinik C für Kardiologie und Angiologie, Munster, Germany
Wien Med Wochenschr 156:451-8. 2006..For this reason, the beta3-adrenoceptor is discussed as a possible target for the pharmacological therapy of heart failure...
Increased Ca2+ sensitivity and protein expression of SERCA 2a in situations of chronic beta3-adrenoceptor deficiencyChristoph Ziskoven
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Cologne, Germany
Pflugers Arch 453:443-53. 2007..Thus, beta(3)-adrenergic depression may be a therapeutic aim in situations of impaired SERCA 2a activity, e.g. for the treatment of heart failure...
Effective engraftment but poor mid-term persistence of mononuclear and mesenchymal bone marrow cells in acute and chronic rat myocardial infarctionJochen Müller-Ehmsen
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Kerpener Str 62, 50937 Koln, Germany
J Mol Cell Cardiol 41:876-84. 2006..Organ distribution was independent from injection time. The low survival of grafted cells may limit their therapeutic impact, while their distribution to other organs must be considered in all cell therapy applications...
Mechanisms underlying nebivolol-induced endothelial nitric oxide synthase activation in human umbilical vein endothelial cellsDennis Ladage
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Cologne, Germany
Clin Exp Pharmacol Physiol 33:720-4. 2006..These characteristics of NEB may be beneficial not only when treating patients suffering from cardiovascular disease, but may also prevent further deterioration of endothelial dysfunction...
Phosphodiesterase type 5 inhibitor sildenafil citrate does not potentiate the vasodilative properties of nebivolol in rat aortaStephan Rosenkranz
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Kerpener Str. 62, D-50924 Cologne, Germany
Life Sci 78:1103-7. 2006..These findings indicate that the interaction between SIL and NO-donators/organic nitrates does not apply to the NO-liberating properties of NEB. Our findings suggest that SIL may safely be used in hypertensive patients treated with NEB...
The mobilization of CD34 positive mononuclear cells after myocardial infarction is abolished by revascularization of the culprit vesselJochen Müller-Ehmsen
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph Stelzmann Str 24, 50924 Köln, Germany
Int J Cardiol 103:7-11. 2005..Here, we evaluated the influence of an acute percutaneous coronary intervention (PCI) of the occluded artery on the mobilization of CD34+ in acute MI...
Administration of testosterone is associated with a reduced susceptibility to myocardial ischemiaFrank Callies
Department of Endocrinology, Medical University Hospital Wuerzburg, 97080 Wuerzburg, Germany
Endocrinology 144:4478-83. 2003..In conclusion, administration of testosterone significantly improves recovery from global ischemia. These beneficial effects are associated with an attenuation of reperfusion induced [Ca2+]i overload...
The cardiac sodium pump: structure and functionAlicia A McDonough
Department of Physiology and Biophysics, University of Southern California, Keck School of Medicine, 1333 San Pablo Street, Los Angeles, CA 90089 9142, USA
Basic Res Cardiol 97:I19-24. 2002....
Ser16-, but not Thr17-phosphorylation of phospholamban influences frequency-dependent force generation in human myocardiumKlara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph Stelzmann Str 9, 50924 Cologne, Germany
Pflugers Arch 447:150-7. 2003..Cross talk signaling of Ser16/Thr17-PLB phosphorylation after beta-adrenergic stimulation exists in non-failing, but not in failing human myocardium. The Ca(2+)-dependent CaM-kinase activity may be altered in human heart failure...
Lack of inverse agonistic activity of nebivolol, its D- and L-enantiomers and of in vivo metabolized nebivolol in human myocardiumAndreas Bundkirchen
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph-Stelzmann Str. 9, D-50924 Cologne, Germany
Eur J Pharmacol 476:97-105. 2003..This and the finding that nebivolol and its D-enantiomer improve the frequency-dependent force generation may be of particular advantage when treating patients with already compromised cardiac function...
Sodium pump isoform expression in heart failure: implication for treatmentJochen Müller-Ehmsen
Laboratory of Muscle Research and Molecular Cardiology, Clinic III for Internal Medicine, University of Cologne, Joseph Stelzmann Str 9, 50924 Cologne, Germany
Basic Res Cardiol 97:I25-30. 2002..Therefore, the isoforms of human Na,K-ATPase are not exchangeable and targeting specific isoforms by drugs or gene therapy may promise therapeutic benefit in diseases like heart failure or atrial fibrillation...
Reduced length-dependent cross-bridge recruitment in skinned fiber preparations of human failing myocardiumKlara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph-Stelzmann-Strasse 9, 50924 Cologne, Germany
Eur J Appl Physiol 89:249-56. 2003..We concluded that, in human failing myocardium, the length-dependent force generation may be blunted due to an already increased Ca(2+) affinity of troponin C as well as an impairment of length-dependent cross-bridge recruitment...
[Increased myocardial blood flow after spinal cord stimulation in patients with refractory angina pectoris]Holger Diedrichs
Klinik III fur Innere Medizin, Universitat zu Koln, Cologne
Med Klin (Munich) 98:146-50. 2003..In spite of great progresses in surgical and catheter interventional techniques there is an increasing number of patients with coronary heart disease not suitable for these conventional treatment strategies...
Longer term effects of ouabain on the contractility of rat isolated cardiomyocytes and on the expression of Ca and Na regulating proteinsJochen Müller-Ehmsen
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph Stelzmann Str 9, 50924 Cologne, Germany
Basic Res Cardiol 98:90-6. 2003..Whether such regulation can be found in human cardiomyocytes and the resulting consequences in the clinical setting remain to be determined...
Modulation of SERCA: implications for the failing human heartKonrad F Frank
Laboratory of Muscle Research and Molecular Cardiology, Clinic III for Internal Medicine, University of Cologne, Joseph Stelzmann Str 9, 50924 Kö1n, Germany
Basic Res Cardiol 97:I72-8. 2002..This review summarizes recent advances in the understanding how SERCA is modulated under physiological and pathophysiological conditions...
Sarcoplasmic reticulum Ca2+-ATPase modulates cardiac contraction and relaxationKonrad F Frank
Clinic III of Internal Medicine, Laboratory of Muscle Research and Molecular Cardiology, University of Cologne, Cologne, Germany
Cardiovasc Res 57:20-7. 2003....
Isometric force kinetics upon rapid activation and relaxation of mouse, guinea pig and human heart muscle studied on the subcellular myofibrillar levelRobert Stehle
Institute of Physiology, Universitat zu Koln, Robert Koch Str 39, 50931 Koln, Germany
Basic Res Cardiol 97:I127-35. 2002..The kinetics of isometric relaxation of skinned trabeculae (i.e., multicellular preparations), therefore, do not reflect the kinetics of force relaxation at the cardiac myofibrillar level...
TNF and congestive heart failure: therapeutic possibilitiesJochen Müller-Ehmsen
University of Cologne, Department of Internal Medicine III, Laboratory of Muscle Research and Molecular Cardiology, University of Cologne, Joseph Stelzmann Str 9, 50924 Cologne, Germany
Expert Opin Ther Targets 8:203-9. 2004....
Increased Ca2+-sensitivity of myofibrillar tension in heart failure and its functional implicationKlara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Clinic III for Internal Medicine, University of Cologne, Joseph Stelzmann Str 9, 50924 Cologne, Germany
Basic Res Cardiol 97:I111-7. 2002..Alterations of myofilament function occur at very early stages of heart failure and may be species dependent, or dependent on intracellular free Ca2+-levels...
Na+/Ca2+ exchanger overexpression impairs frequency- and ouabain-dependent cell shortening in adult rat cardiomyocytesBirgit Bölck
Laboratory of Muscle Research and Molecular Cardiology, Dept of Internal Medicine III, Univ of Cologne, Joseph Stelzmann Strasse 9, 50924 Cologne, Germany
Am J Physiol Heart Circ Physiol 287:H1435-45. 2004..e., in conditions with enhanced [Na(+)](i). At low stimulation rates, increased NCX expression enhances both intracellular systolic Ca(2+) and contraction amplitude...
Beneficial effects of the Ca(2+) sensitizer levosimendan in human myocardiumKlara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Clinic III of Internal Medicine, University of Cologne, , Germany
Am J Physiol Heart Circ Physiol 282:H131-7. 2002..In conclusion, levosimendan improves contraction in failing human myocardium under conditions with already increased intracellular Ca(2+)...
Na(+)--Ca2+ exchange in the regulation of cardiac excitation-contraction couplingHannes Reuter
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph Stelzmann Str 9, 50924 Cologne, Germany
Cardiovasc Res 67:198-207. 2005....
Letters regarding article by Wojakowski et al, "mobilization of CD34/CXCR4+, CD34/CD117+, c-met+ stem cells, and mononuclear cells expressing early cardiac, muscle, and endothelial markers into peripheral blood in patients with acute myocardial infarJochen Müller-Ehmsen
Circulation 111:e307; author reply e307-8. 2005
Ouabain-like compound changes rapidly on physical exercise in humans and dogs: effects of beta-blockade and angiotensin-converting enzyme inhibitionNatali Bauer
Clinic for Small Animal Internal Medicine and Forensic Affairs, Faculty of Veterinary Medicine, Justus-Liebig-University Giessen, Germany
Hypertension 45:1024-8. 2005..We conclude that OLC changes rapidly during exercise and is under the control of norepinephrine and angiotensin II...
Bucindolol exerts agonistic activity on the propranolol-insensitive state of beta1-adrenoceptors in human myocardiumAndreas Bundkirchen
, , , Germany
J Pharmacol Exp Ther 300:794-801. 2002..Thus, the agonistic activity of bucindolol may influence outcome in heart failure patients...
Altered hetero- and homeometric autoregulation in the terminally failing human heartKlara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, Joseph-Stelzmann-Str. 9, 50924 Cologne (Lindenthal, Germany
Eur J Heart Fail 7:29-35. 2005..Interstitial fibrosis may have only minor impact on force generation in human end-stage heart failure...
Evidence for calcineurin-mediated regulation of SERCA 2a activity in human myocardiumGötz Münch
Laboratory of Muscle Research and Molecular Cardiology, Klinik III fur Innere Medizin, University of Cologne, Germany
J Mol Cell Cardiol 34:321-34. 2002..Increased calcineurin activity contributes to the impaired V(max) of SERCA 2a in failing human myocardium and the disorder in Ca(2+)-handling in heart failure...
[Treatment of cardiogenic shock with the Ca2+ sensitizer levosimendan]Carsten Zobel
Labor für Herzmuskelphysiologie und Molekulare Kardiologie, Klinik III für Innere Medizin der Universität zu Köln, Joseph Stelzmann Strasse 9, 50924, Koln
Med Klin (Munich) 99:742-6. 2004..Although these drugs result in an improvement of the acute hemodynamic situation, they have no positive in. uence on survival in the long run...
Ouabain increases myofibrillar Ca2+ sensitivity but does not influence the Ca2+ release in human skinned fibresNjde Hambarchian
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Joseph-Stelzmann-Str. 9, D-50924 Cologne, Germany
Eur J Pharmacol 492:225-31. 2004..In conclusion, ouabain increases myofibrillar Ca(2+) sensitivity possibly due to an increase in the cooperativity of the thick and thin myofilaments. This mechanism may additionally contribute to the positive inotropic effect of ouabain...
Isoform-specific downregulation of peroxiredoxin in human failing myocardiumKlara Brixius
Department of Molecular and Cellular Sport Medicine, Institute of Cardiology and Sport Medicine, German Sport University, Germany
Life Sci 81:823-31. 2007..The selective downregulation of peroxiredoxin 3-6 isoforms may point towards a subcellular specific dysregulation of the antioxidative defence during the development of DCM...
Calcium and the failing heartRobert H G Schwinger
Basic Res Cardiol 97:I1-3. 2002
Beta 1-adrenoceptor selectivity of nebivolol and bisoprolol. A comparison of [3H]CGP 12.177 and [125I]iodocyanopindolol binding studiesAndreas Bundkirchen
Laboratory of Muscle Research and Molecular Cardiology, Clinic III of Internal Medicine, University of Cologne, Joseph Stelzmann Strasse 9, 50924 Cologne, Germany
Eur J Pharmacol 460:19-26. 2003..It is concluded that nebivolol is approximately 3.5 times more beta(1)-adrenoceptor-selective than bisoprolol in the human myocardium. Furthermore, in vivo metabolized nebivolol retains beta(1)-adrenoceptor selectivity...
Increased vascular selectivity and prolonged pharmacological efficacy of the L-type Ca2+ channel antagonist lercanidipine in human cardiovascular tissueKlara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Department of Internal Medicine III, University of Cologne, Cologne, Germany
Clin Exp Pharmacol Physiol 32:708-13. 2005....
Increased regulatory activity of the calcineurin/NFAT pathway in human heart failureHolger Diedrichs
Laboratory of Muscle Research and Molecular Cardiology, University of Cologne, Joseph Stelzmann Str 9, 50924 Cologne, Germany
Eur J Heart Fail 6:3-9. 2004..As reported from animal experiments, the Ca(2+)-calmodulin activated phosphatase calcineurin and its downstream transcriptional effector NFAT have been implicated as transducers of the hypertrophic response...
Mesenchymal stem cells transmigrate over the endothelial barrierAnnette Schmidt
Department of Molecular and Cellular Sport Medicine, German Sport University Cologne, Carl Diem Weg 6, D 50933 Cologne, Germany
Eur J Cell Biol 85:1179-88. 2006..This work demonstrates the capability of MSCs for transendothelial migration. Moreover we showed that the vast majority of MSCs migrated within 30 min, an important finding for the exposure times in clinical settings...
Basic fibroblast growth factor controls migration in human mesenchymal stem cellsAnnette Schmidt
Department of Molecular and Cellular Sport Medicine, German Sport University Cologne
Stem Cells 24:1750-8. 2006..This ambivalent effect of bFGF provides the possibility to a purposeful routing of MSCs...
Crataegus special extract WS 1442 induces an endothelium-dependent, NO-mediated vasorelaxation via eNOS-phosphorylation at serine 1177Klara Brixius
Laboratory of Muscle Research and Molecular Cardiology, Clinic III for Internal Medicine, University of Cologne, Joseph-Stelzmann-Str. 9, D-50924, Cologne, Germany, Robert
Cardiovasc Drugs Ther 20:177-84. 2006..CONCLUSIONS: It is concluded that WS 1442, induces an endothelium-dependent, NO-mediated vasorelaxation via eNOS phosphorylation at serine 1177...
[The basis for treatment of cardiovascular diseases: cellular and molecular mechanisms of Crataegus extract]Klara Brixius
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Pharm Unserer Zeit 34:48-51. 2005
Role of erythropoietin for angiogenesis and vasculogenesis: from embryonic development through adulthoodJochen Müller-Ehmsen
Dept of Internal Medicine III, University of Cologne, Germany
Am J Physiol Heart Circ Physiol 290:H331-40. 2006..They provide additional and further evidence for a strong interrelation between hematopoiesis and vasculogenesis/angiogenesis (sharing the same pathways), which may be important in many physiological and pathophysiological conditions...
Effect of prophylactic bisoprolol plus magnesium on the incidence of atrial fibrillation after coronary bypass surgery: results of a randomized controlled trialSaeid Behmanesh
Department of Cardiothoracic Surgery, University of Cologne, Joseph-Stelzman-Strasse 9, 50924 Cologne, Germany
Curr Med Res Opin 22:1443-50. 2006..CONCLUSIONS: The combination of bisoprolol plus Mg effectively reduces the incidence of postoperative AF following on-pump CABG, particularly in elderly patients, and is associated with a shorter hospital length of stay...
