Research Topics
Species | Kurt PfannkucheSummaryAffiliation: University of Cologne Country: Germany Publications
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Detail Information
Publications
Induced pluripotent stem cells: a new approach for physiological researchKurt Pfannkuche
Institute for Neurophysiology, University of Cologne, Germany
Cell Physiol Biochem 26:105-24. 2010..We compare ES and iPS cells to answer the question whether these cells are identical, and we finish with an outlook on clinical research with iPS cells with a focus on cardiovascular medicine...
Global transcriptome analysis of murine embryonic stem cell-derived cardiomyocytesMichael Xavier Doss
Center of Physiology and Pathophysiology, Institute of Neurophysiology, University of Cologne, Cologne, Germany
Genome Biol 8:R56. 2007..Characterization of gene expression signatures for cardiomyocytes derived from embryonic stem cells will help to define their early biologic processes...
Initial colony morphology-based selection for iPS cells derived from adult fibroblasts is substantially improved by temporary UTF1-based selectionKurt Pfannkuche
Center of Physiology and Pathophysiology, Institute for Neurophysiology, University of Cologne, Cologne, Germany
PLoS ONE 5:e9580. 2010..Recently, selection of fully reprogrammed cells was achieved based on colony morphology reminiscent of embryonic stem (ES) cells. The maintenance of pluripotency was analysed...
The high mobility group protein HMGA2: a co-regulator of chromatin structure and pluripotency in stem cells?Kurt Pfannkuche
Institute for Neurophysiology, University of Cologne, Robert Koch Str 39, 50931, Cologne, Germany
Stem Cell Rev 5:224-30. 2009....
Fibroblasts support functional integration of purified embryonic stem cell-derived cardiomyocytes into avital myocardial tissueJiaoya Xi
Institute for Neurophysiology, University of Cologne, Cologne, Germany
Stem Cells Dev 20:821-30. 2011..We conclude that noncardiomyocytes like MEFs support morphological integration and force transmission of purified ES-CMs by enabling adhesion and migration...
Isolation and functional characterization of alpha-smooth muscle actin expressing cardiomyocytes from embryonic stem cellsShiva Prasad Potta
Center of Physiology and Pathophysiology, Institute of Neurophysiology, and Center of Molecular Medicine, University of Cologne CMMC, Cologne, Germany
Cell Physiol Biochem 25:595-604. 2010..The findings of the present study provide a novel approach for the identification and enrichment of Acta2-positive cardiomyocytes, especially of the ventricular phenotype under in vitro conditions...
Comparison of contractile behavior of native murine ventricular tissue and cardiomyocytes derived from embryonic or induced pluripotent stem cellsJiaoya Xi
Institute for Neurophysiology, University of Cologne, Cologne, Germany
FASEB J 24:2739-51. 2010..The results indicate immaturity of the sarcoplasmic reticulum and the beta-adrenergic response of iPS-CMs and ESC-CMs...
A Cre-based double fluorescence indicator system for monitoring cell fusion events and selection of fused cellsKurt Pfannkuche
Institute for Neurophysiology, University of Cologne, Cologne, Germany
Biotechniques 48:113-20. 2010..Here we have established a new methodology that not only allows the monitoring of the transport of cellular contents, but also enables the purification of fused cells using puromycin...
Human pluripotent stem cell-derived cardiomyocytes: response to TTX and lidocain reveals strong cell to cell variabilityXiaowu Sheng
Institute for Neurophysiology, University of Cologne, Germany
PLoS ONE 7:e45963. 2012..These data point to physiological differences that are not necessarily detected by genomics. We conclude that novel pharmacological screening-assays using hiPSC-CMs need to be applied with some caution...
Global transcriptional profiles of beating clusters derived from human induced pluripotent stem cells and embryonic stem cells are highly similarManoj K Gupta
Center for Physiology and Pathophysiology, Institute for Neurophysiology, University of Cologne, Robert Koch Str 39, 50931 Cologne, Germany
BMC Dev Biol 10:98. 2010..In this study we compared global transcriptomes of beating clusters (BCs) microdissected from differentiating human iPS cells and embryonic stem (ES) cells...
Physiological differences between transplanted and host tissue cause functional decoupling after in vitro transplantation of human embryonic stem cell-derived cardiomyocytesFrank Pillekamp
Pediatric Cardiology, University of Cologne, Cologne, Germany
Cell Physiol Biochem 23:65-74. 2009..Successful cellular replacement has to improve coupling but should also aim to transplant cardiomyocytes with similar electrophysiological properties as the host tissue...
The L-type Ca2+ channels blocker nifedipine represses mesodermal fate determination in murine embryonic stem cellsFilomain Nguemo
Institute of Neurophysiology, University of Cologne, Cologne, Germany
PLoS ONE 8:e53407. 2013....
Time-course of the electrophysiological maturation and integration of transplanted cardiomyocytesMarcel Halbach
Department of Internal Medicine III, University of Cologne, Kerpener Str 62, 50937 Cologne, Germany
J Mol Cell Cardiol 53:401-8. 2012..The pace of maturation correlates with the quality of electrical integration. Transplanted cells embedded in cryoinjured tissue still possess immature electrophysiological properties after 12 days...
Fibroblasts facilitate the engraftment of embryonic stem cell-derived cardiomyocytes on three-dimensional collagen matrices and aggregation in hanging dropsKurt Pfannkuche
Institute for Neurophysiology, University of Cologne, Cologne, Germany
Stem Cells Dev 19:1589-99. 2010..We conclude that fibroblasts promote cardiomyocyte engraftment and formation of functional 3-dimensional tissue in vitro. Elucidation of the mechanism of this phenomenon may help improve the integration of cardiomyocytes in vivo...
Functional characterization of cardiomyocytes derived from murine induced pluripotent stem cells in vitroAlexey Kuzmenkin
Institute for Neurophysiology, Medical Center, University of Cologne, Cologne, Germany
FASEB J 23:4168-80. 2009..This difference may reflect the incomplete reprogramming of iPS cells and should be critically considered in further studies to clarify the suitability of the iPS model for regenerative medicine of heart disorders...
In vitro model for assessing arrhythmogenic properties of drugs based on high-resolution impedance measurementsFilomain Nguemo
Institute of Neurophysiology, University of Cologne, Cologne, Germany
Cell Physiol Biochem 29:819-32. 2012..Moreover, methods for analyzing beating behavior of cardiomyocytes (CMs) in culture to diagnose arrhythmias are not well developed...
Direct contact of umbilical cord blood endothelial progenitors with living cardiac tissue is a requirement for vascular tube-like structures formationMarilena Lupu
Institute of Cellular Biology and Pathology Nicolae Simionescu, Bucharest, Romania Institute for Neurophysiology, University of Cologne, Cologne, Germany
J Cell Mol Med 15:1914-26. 2011..Understanding the cardiac niche and micro-environmental interactions that regulate EPCs integration and neovascularization are essential for applying these cells to cardiovascular regeneration...
Functional Characterization and Gene Expression Profiling of α-Smooth Muscle Actin Expressing Cardiomyocytes Derived from Murine Induced Pluripotent Stem CellsShiva Prasad Potta
Center of Physiology and Pathophysiology, Institute of Neurophysiology, University of Cologne, Robert Koch Str 39, 50931, Cologne, Germany
Stem Cell Rev 8:229-42. 2012
Cardiac myocytes derived from murine reprogrammed fibroblasts: intact hormonal regulation, cardiac ion channel expression and development of contractilityKurt Pfannkuche
Institute for Neurophysiology, University of Cologne, Germany
Cell Physiol Biochem 24:73-86. 2009..Here we aimed at generating iPS cell-derived cardiomyocytes (CMs) and comparing their molecular and functional characteristics with CMs derived from native murine ES cells...
Generation of a double-fluorescent double-selectable Cre/loxP indicator vector for monitoring of intracellular recombination eventsKurt Pfannkuche
Institute for Neurophysiology, Robert Koch Str 39, 50931 Cologne, Germany
Nat Protoc 3:1510-26. 2008..Ultimately, this powerful methodology facilitates Cre/loxP-based applications such as cell lineage tracking or monitoring of cell fusion...
Intense resistance exercise induces early and transient increases in ryanodine receptor 1 phosphorylation in human skeletal muscleSebastian Gehlert
Department of Molecular and Cellular Sport Medicine, Institute of Cardiovascular Research and Sport Medicine, Germany
PLoS ONE 7:e49326. 2012..However, no data are available regarding the time-course and magnitude of early RyR1 and AMPK phosphorylation in human myofibers in response to acute resistance exercise...
Functional characterization and transcriptome analysis of embryonic stem cell-derived contractile smooth muscle cellsShiva Prasad Potta
University of Cologne, Center of Physiology and Pathophysiology, Institute of Neurophysiology, Robert Koch Str 39, Cologne, Germany
Hypertension 53:196-204. 2009....
Ability of the hydrophobic FGF and basic TAT peptides to promote cellular uptake of recombinant Cre recombinase: a tool for efficient genetic engineering of mammalian genomesMichael Peitz
Institute for Genetics, University of Cologne, Weyertal 121, 50931 Cologne, Germany
Proc Natl Acad Sci U S A 99:4489-94. 2002..We expect that application of His-TAT-NLS-Cre, which can be produced readily in large quantities from a bacterial source, will expand our abilities to manipulate mammalian genomes...
Electrophysiological maturation and integration of murine fetal cardiomyocytes after transplantationMarcel Halbach
Department III of Internal Medicine, University of Cologne, Cologne, Germany
Circ Res 101:484-92. 2007..In conclusion, electrophysiological maturation and integration of transplanted FCMs depend on an embedment in viable host myocardium. FCMs surrounded by cryoinjured tissue maintain physiological but immature AP properties...
Force measurements of human embryonic stem cell-derived cardiomyocytes in an in vitro transplantation modelFrank Pillekamp
Department of Pediatric Cardiology, University of Cologne, Cologne, Germany
Stem Cells 25:174-80. 2007..Our data demonstrate that this novel in vitro transplantation model is well suited to assess the mechanical properties and functional integration of cells suggested for cardiac replacement strategies...
