Morten Grunnet

Morten Grunnet

Affiliate Professor


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  1. Published

    5-HT1A receptors modulate small-conductance Ca2+-activated K+ channels.

    Grunnet, Morten, Jespersen, Thomas & Perrier, J., 2004, In: Journal of Neuroscience Research. 78, 6, p. 845-54 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    A New Negative Allosteric Modulator AP14145 for the Study of Small Conductance Calcium-Activated Potassium Channels

    Simo Vicens, R., Kirchhoff, J. E., Dolce , B., Abildgaard, L., Speerschneider, T., Sørensen, U. S., Grunnet, Morten, Diness, Jonas Goldin & Bentzen, Bo Hjorth, 5 Dec 2017, In: British Journal of Pharmacology. 174, 23, p. 4396-4408 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. E-pub ahead of print

    A phase 1 trial of AP30663, a KCa2 channel inhibitor in development for conversion of atrial fibrillation

    Yfanti, C., Vestbjerg, B., van't Westende, J., Edvardsson, N., Monfort, L. M., Olesen, Morten Steen Salling, Bentzen, Bo Hjorth, Grunnet, Morten, Eveleens Maarse, B. C., Diness, Jonas Goldin, Kemme, M. J. B., Sørensen, U., Moerland, M., van Esdonk, M. J., Klaassen, E. S., Gal, P. & Holst, A. G., 2024, (E-pub ahead of print) In: British Journal of Clinical Pharmacology.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    A radiolabeled peptide ligand of the hERG channel, [125I]-BeKm-1.

    Angelo, K., Korolkova, Y. V., Grunnet, Morten, Grishin, E. V., Pluzhnikov, K. A., Klærke, Dan Arne, Knaus, H., Møller, Morten & Olesen, Søren-Peter, 2003, In: Pflügers Archiv: European Journal of Physiology. 447, 1, p. 55-63 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    A transient outward potassium current activator recapitulates the electrocardiographic manifestations of Brugada syndrome

    Callø, Kirstine, Cordeiro, J. M., Di Diego, J. M., Hansen, R. S., Grunnet, Morten, Olesen, Søren-Peter & Antzelevitch, C., 2008, In: Cardiovascular Research. 81, 4, p. 686-94 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Activation of ERG2 potassium channels by the diphenylurea NS1643.

    Elmedyb, P., Olesen, Søren-Peter & Grunnet, Morten, 2007, In: Neuropharmacology. 53, 2, p. 283-94 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Activation of big conductance Ca(2+)-activated K (+) channels (BK) protects the heart against ischemia-reperfusion injury

    Bentzen, Bo Hjorth, Osadchii, O., Jespersen, Thomas, Hansen, R. S., Olesen, Søren-Peter & Grunnet, Morten, 2009, In: Pflügers Archiv: European Journal of Physiology. 457, 5, p. 979-88 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Activation of human ether-a-go-go-related gene potassium channels by the diphenylurea 1,3-bis-(2-hydroxy-5-trifluoromethyl-phenyl)-urea (NS1643).

    Hansen, R. S., Diness, T. G., Christ, T., Demnitz, J., Ravens, U., Olesen, Søren-Peter & Grunnet, Morten, 2005, In: Molecular Pharmacology. 69, 1, p. 266-77 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Anti-hypertensive treatment preserves appetite suppression while preventing cardiovascular adverse effects of tesofensine in rats

    Bentzen, Bo Hjorth, Grunnet, Morten, Hyveled-Nielsen, L., Sundgreen, C., lassen, J. B. & Hansen, H. H., 2012, In: Obesity.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Antiarrhythmic Mechanisms of SK Channel Inhibition in the Rat Atrium

    Skibsbye, L., Wang, X., Axelsen, L. N., Bomholtz, Sofia Hammami, Nielsen, Morten Schak, Grunnet, Morten, Bentzen, Bo Hjorth & Jespersen, Thomas, Aug 2015, In: Journal of Cardiovascular Pharmacology. 66, 2, p. 165-176 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Antiarrhythmic effect of IKr activation in a cellular model of LQT3

    Diness, Jonas Goldin, Hansen, R. S., Nissen, J. D., Jespersen, Thomas & Grunnet, Morten, 2008, In: Heart Rhythm. 6, 1, p. 100-6 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Antiarrhythmic effect of the Ca(2+)-activated K(+) (SK) channel inhibitor ICA combined with either amiodarone or dofetilide in an isolated heart model of atrial fibrillation

    Kirchhoff, J. E., Diness, Jonas Goldin, Abildgaard, L., Sheykhzade, Majid, Grunnet, Morten & Jespersen, Thomas, 8 Oct 2016, In: Pfluegers Archiv. 468, 11, p. 1853–1863 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Antiarrhythmic properties of a rapid delayed-rectifier current activator in rabbit models of acquired long QT syndrome.

    Diness, T. G., Yeh, Y., Qi, X. Y., Chartier, D., Tsuji, Y., Hansen, R. S., Olesen, Søren-Peter, Grunnet, Morten & Nattel, S., 2008, In: Cardiovascular Research. 79, 1, p. 61-69 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Apamin interacts with all subtypes of cloned small-conductance Ca2+-activated K+ channels

    Grunnet, Morten, Jensen, B. S., Olesen, Søren-Peter & Klærke, Dan Arne, 2001, In: Pflügers Archiv: European Journal of Physiology. 441, p. 544-550

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Arrhythmia development during inhibition of small-conductance calcium-activated potassium channels in acute myocardial infarction in a porcine model

    Lubberding, Anniek Frederike, Sattler, Stefan M, Grunnet, Morten, Sørensen, U. S., Tfelt-Hansen, Jacob & Jespersen, Thomas, Oct 2019, In: Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology. 21, 10, p. 1584–1593

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Attenuated ventricular β-adrenergic response and reduced repolarization reserve in a rabbit model of chronic heart failure

    Nissen, J. D., Thomsen, Morten Bækgaard, Bentzen, Bo Hjorth, Diness, Jonas Goldin, Diness, T. G., Jespersen, Thomas & Grunnet, Morten, 2012, In: Journal of Cardiovascular Pharmacology. 59, 2, p. 142-150 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    BK channel activators and their therapeutic perspectives

    Bentzen, Bo Hjorth, Olesen, Søren-Peter, Rønn, L. C. B. & Grunnet, Morten, 2014, In: Frontiers in Physiology. 5, p. 1-12 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Basolateral localisation of KCNQ1 potassium channels in MDCK cells: molecular identification of an N-terminal targeting motif.

    Jespersen, Thomas, Rasmussen, Hanne Borger, Grunnet, Morten, Jensen, H. S., Angelo, K., Dupuis, D. S., Vogel, L. K., Jorgensen, N. K., Klærke, Dan Arne & Olesen, Søren-Peter, 2004, In: Journal of Cell Science. 117, Pt 19, p. 4517-26 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Benzimidazolyl-acetamide derivatives useful as potassium channel modulators

    SØRENSEN, U. S., Grunnet, Morten, Bentzen, Bo Hjorth, Christophersen, P., Diness, Jonas Goldin, SKIBSBYE, L. & Strøbæk, D., 7 Jan 2013

    Research output: Other contribution › Research

  20. Published

    Bevacizumab plus irinotecan in the treatment patients with progressive recurrent malignant brain tumours

    Poulsen, H. S., Grunnet, Morten, Sorensen, M., Olsen, P., Hasselbalch, B., Nelausen, K., Kosteljanetz, M. & Lassen, U., 2009, In: Acta Oncologica. 48, 1, p. 52-58 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Biophysical characterization of the new human ether-a-go-go-related gene channel opener NS3623[N-(4-bromo-2-(1H-tetrazol-5-yl)-phenyl)-N '-(3 '-trifluoromethylphenyl)urea]

    Hansen, R. S., Diness, T. G., Christ, T., Wettwer, E., Ravens, U., Olesen, Søren-Peter & Grunnet, Morten, 2006, In: Molecular Pharmacology. 70, 4, p. 1319-1329 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Biophysical characterization of the short QT mutation hERG-N588K reveals a mixed gain-and loss-of-function

    Grunnet, Morten, Diness, T. G., Hansen, R. S. & Olesen, Søren-Peter, 2008, In: Cellular Physiology and Biochemistry. 22, 5-6, p. 611-624 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Cardiac channelopathies and sudden infant death syndrome

    Tfelt-Hansen, J., Winkel, B. G., Grunnet, Morten & Jespersen, Thomas, 2011, In: The Cardiology. 119, 1, p. 21-33 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Cardiac ion channels and mechanisms for protection against atrial fibrillation.

    Grunnet, Morten, Bentzen, Bo Hjorth, Sørensen, U. S. & Diness, Jonas Goldin, 2011, In: Reviews of Physiology, Biochemistry and Pharmacology. 162, p. 1-58 59 p.

    Research output: Contribution to journal › Review › Research › peer-review

  25. Published

    Cardiac potassium channel subtypes: new roles in repolarization and arrhythmia

    Schmitt, Nicole, Grunnet, Morten & Olesen, Søren-Peter, Apr 2014, In: Physiological Reviews. 94, 2, p. 609-53 45 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Cell swelling activates cloned Ca(2+)-activated K(+) channels: a role for the F-actin cytoskeleton.

    Jorgensen, N. K., Pedersen, Stine Helene Falsig, Rasmussen, Hanne Borger, Grunnet, Morten, Klærke, Dan Arne & Olesen, Søren-Peter, 2003, In: BBA General Subjects. 1615, 1-2, p. 115-25 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Cells exposed to a huntingtin fragment containing an expanded polyglutamine tract show no sign of ion channel formation: results arguing against the ion channel hypothesis.

    Nørremølle, Anne, Grunnet, Morten, Hasholt, Lis Frydenreich & Sørensen, S. A., 2003, In: Journal of Neuroscience Research. 71, 1, p. 132-7 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Central and Peripheral GABA(A) Receptor Regulation of the Heart Rate Depends on the Conscious State of the Animal

    Bentzen, Bo Hjorth & Grunnet, Morten, 2011, In: Advances in Pharmacological Sciences. 2011, 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Characterization of Atrial and Ventricular Structural Remodeling in a Porcine Model of Atrial Fibrillation Induced by Atrial Tachypacing

    Citerni, C., Kirchhoff, J., Olsen, Lisbeth Høier, Sattler, Stefan M, Gentilini, F., Forni, M., Zannoni, A., Grunnet, Morten, Edvardsson, N., Bentzen, Bo Hjorth & Diness, J. G., 2020, In: Frontiers in Veterinary Science. 7, 12 p., 179.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Characterization of cardiac repolarization in the Göttingen minipig

    Laursen, M., Olesen, Søren-Peter, Grunnet, Morten, Mow, T., Jespersen, T. & Jespersen, Thomas, 2011, In: Journal of Pharmacological and Toxicological Methods. 63, 2, p. 186-95 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Characterization of hERG1a and hERG1b potassium channels-a possible role for hERG1b in the I (Kr) current.

    Larsen, A. P., Olesen, Søren-Peter, Grunnet, Morten & Jespersen, Thomas, 2008, In: Pflügers Archiv: European Journal of Physiology. 456, 6, p. 1137-48 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Characterization of transport mechanisms and determinants critical for Na+-dependent Pi symport of the PiT family paralogs human PiT1 and PiT2.

    Bøttger, P., Hede, S. E., Grunnet, Morten, Høyer, B., Klærke, Dan Arne & Pedersen, L., 2006, In: American Journal of Physiology: Cell Physiology. 291, 6, p. C1377-87

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Characterization of two new dominant ClC-1 channel mutations associated with myotonia.

    Grunnet, Morten, Jespersen, Thomas, Colding-Jørgensen, E., Schwartz, M., Klærke, Dan Arne, Vissing, John, Olesen, Søren-Peter & Dunø, M., 2003, In: Muscle & Nerve. 28, 6, p. 722-32 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Characterizations of a loss-of-function mutation in the Kir3.4 channel subunit.

    Callø, Kirstine, Ravn, L. S., Schmitt, Nicole, Sui, J. L., Duno, M., Haunso, S., Grunnet, Morten, Svendsen, J. H. & Olesen, Søren-Peter, 2007, In: Biochemical and Biophysical Research Communications. 364, 4, p. 889-95 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Coassembly of big conductance Ca2+-activated K+ channels and L-type voltage-gated Ca2+ channels in rat brain.

    Grunnet, Morten & Kaufmann, W. A., 2004, In: Journal of Biological Chemistry. 279, 35, p. 36445-53 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Combined gating and trafficking defect in Kv11.1 manifests as a malignant long QT syndrome phenotype in a large Danish p.F29L founder family

    Kanters, Jørgen K., Skibsbye, L., Hedley, P. L., Dembic, M., Liang, B., Hagen, C. M., Eschen, O., Grunnet, Morten, Christiansen, M. & Jespersen, Thomas, 2015, In: Scandinavian Journal of Clinical & Laboratory Investigation. 75, 8, p. 699-709 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Common and rare variants in SCN10A modulate the risk of atrial fibrillation.

    Jabbari, J., Olesen, Morten Steen Salling, Yuan, L., Nielsen, J. B., Liang, B., Macri, V., Christophersen, I. E., Nielsen, N., Sajadieh, Ahmad, Ellinor, P. T., Grunnet, Morten, Haunsø, Stig, Holst, A. G., Svendsen, Jesper Hastrup & Jespersen, Thomas, 2015, In: Circulation: Cardiovascular Genetics. 8, 1, p. 64-73 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Computational analysis of the effects of the hERG channel opener NS1643 in a human ventricular cell model.

    Peitersen, T., Grunnet, Morten, Benson, A. P., Holden, A. V., von Holstein-Rathlou, Niels-Henrik & Olesen, Søren-Peter, 2008, In: Heart Rhythm. 5, 5, p. 734-41 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Deubiquitylating enzyme USP2 counteracts Nedd4-2-mediated downregulation of KCNQ1 potassium channels

    Krzystanek, K., Rasmussen, Hanne Borger, Grunnet, Morten, Staub, O., Olesen, Søren-Peter, Abriel, H. & Jespersen, Thomas, 2012, In: Heart Rhythm. 9, 3, p. 440-8 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Difference in allelic expression of the CLCN1 gene and the possible influence on the myotonia congenita phenotype.

    Dunø, M., Colding-Jørgensen, E., Grunnet, Morten, Jespersen, Thomas, Vissing, John & Schwartz, M., 2004, In: European Journal of Human Genetics. 12, 9, p. 738-43 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Differential effects of Kv11.1 activators on Kv11.1a, Kv11.1b and Kv11.1a/Kv11.1b channels

    Larsen, A. P., Bentzen, Bo Hjorth & Grunnet, Morten, Oct 2010, In: British Journal of Pharmacology. 161, 3, p. 614-28 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Does KCNE5 play a role in long QT syndrome?

    Hofman-Bang, J., Jespersen, Thomas, Grunnet, Morten, Larsen, Lars Allan, Andersen, P. S., Kanters, Jørgen K., Kjeldsen, K. & Christiansen, M., 2004, In: Clinica Chimica Acta. 345, 1-2, p. 49-53 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Dual-function vector for protein expression in both mammalian cells and Xenopus laevis oocytes

    Jespersen, Thomas, Grunnet, Morten, Angelo, K., Klærke, Dan Arne & Olesen, Poul, 1 Mar 2002, In: BioTechniques. 32, 3, p. 536-8, 540

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Effect of antiarrhythmic drugs on small conductance calcium –activated potassium channels

    Simo Vicens, R., Sauter, D. R. P., Grunnet, Morten, Diness, Jonas Goldin & Bentzen, Bo Hjorth, 15 May 2017, In: European Journal of Pharmacology. 803, p. 118-123 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Effects on atrial fibrillation in aged hypertensive rats by Ca(2+)-activated K(+) channel inhibition

    Diness, Jonas Goldin, Skibsbye, L., Jespersen, Thomas, Bartels, Emil Daniel, Sørensen, U. S., Hansen, R. S. & Grunnet, Morten, 2011, In: Hypertension. 57, 6, p. 1129-35 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Energetic performance is improved by specific activation of K+ fluxes through K(Ca) channels in heart mitochondria

    Aon, M. A., Cortassa, S., Wei, A., Grunnet, Morten & O'Rourke, B., 2009, In: BBA General Subjects. 1797, 1, p. 71-80 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Extracellular potassium inhibits Kv7.1 potassium channels by stabilizing an inactivated state

    Larsen, A. P., Steffensen, Annette Buur, Grunnet, Morten & Olesen, Søren-Peter, 2011, In: Biophysical Journal. 101, 4, p. 818-27 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Fetal arrhythmia caused by dysregulation of HERG channels.

    Grunnet, Morten, 2008, In: Heart Rhythm. 5, 4, p. 562-4 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Flecainide provocation reveals concealed brugada syndrome in a long QT syndrome family with a novel L1786Q mutation in SCN5A. SCN5A mutations associated with overlap phenotype of long QT syndrome type 3 and Brugada syndrome.

    Kanters, Jørgen K., Yuan, L., Hedley, P. L., Stoevring, B., Jons, C., Bloch Thomsen, P. E., Grunnet, Morten, Christiansen, M. & Jespersen, Thomas, 6 Mar 2014, In: Circulation Journal. 78, 5, p. 1136-43 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Frequency-dependent modulation of KCNQ1 and HERG1 potassium channels.

    Diness, T. G., Hansen, R. S., Olesen, Søren-Peter & Grunnet, Morten, 2006, In: Biochemical and Biophysical Research Communications. 343, 4, p. 1224-33 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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