Research Topics
Genomes and Genes | Donghee KimSummaryAffiliation: The Chicago Medical School Country: USA Publications
| Collaborators
|
Detail Information
Publications
TASK-5, a new member of the tandem-pore K(+) channel familyD Kim
Department of Physiology and Biophysics, Finch University of Health Sciences Chicago Medical School, 3333 Green Bay Road, North Chicago, Illinois 60064, USA
Biochem Biophys Res Commun 284:923-30. 2001..Exchange of C-termini of TASK-3 and TASK-5 failed to generate whole-cell currents. Thus, TASK-5 is a new member of the tandem-pore K(+) channel family but does not produce a functional plasma membrane K(+) current by itself...
Localization of TREK-2 K+ channel domains that regulate channel kinetics and sensitivity to pressure, fatty acids and pHiY Kim
Department of Physiology and Biophysics, Finch University of Health Sciences, The Chicago Medical School, IL 60064, USA
Pflugers Arch 442:952-60. 2001..Thus, the C-terminus endows TREK-2 with unique channel kinetics and the ability to be gated by free fatty acids and low pHi, and with increased mechanosensitivity...
Fatty acid-sensitive two-pore domain K+ channelsDonghee Kim
Department of Physiology and Biophysics, Finch University of Health Sciences The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
Trends Pharmacol Sci 24:648-54. 2003..The unique properties of K(FA) channels indicate that they are well suited to sensing various types of stress that occur in the cell...
Control of the single channel conductance of K2P10.1 (TREK-2) by the amino-terminus: role of alternative translation initiationDina Simkin
Department of Physiology and Biophysics, Chicago Medical School, Rosalind Franklin University of Medicine and Science, 3333 Green Bay Road, North Chicago, IL 60064, USA
J Physiol 586:5651-63. 2008....
Functional expression of TREK-2 in insulin-secreting MIN6 cellsDawon Kang
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
Biochem Biophys Res Commun 323:323-31. 2004..8). Arachidonic acid increased Ba2+-sensitive whole-cell current in MIN6 cell. These results suggest that TREK-2 contributes to the background K+ conductance in MIN6 cells, and may regulate depolarization-induced secretion of insulin...
Functional expression of TRESK-2, a new member of the tandem-pore K+ channel familyDawon Kang
Department of Physiology and Biophysics, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, 3333 Green Bay Road, North Chicago, IL 60064, USA
J Biol Chem 279:28063-70. 2004..These results show that TRESK-2 is a functional member of the K(2P) channel family and contributes to the background K+ conductance in many types of cells...
Characterization of an ATP-sensitive K(+) channel in rat carotid body glomus cellsDonghee Kim
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science, The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, United States
Respir Physiol Neurobiol 177:247-55. 2011..These results show that an ATP-sensitive K(+) channel is expressed in the plasma membrane of CB cells, but is not activated by short-term metabolic inhibition. The functional relevance of the 72-pS channel remains to be determined...
Properties of single two-pore domain TREK-2 channels expressed in mammalian cellsDawon Kang
Department of Physiology and Biophysics, Chicago Medical School, Rosalind Franklin University of Medicine and Science, 3333 Green Bay Road, North Chicago, IL 60064, USA
J Physiol 583:57-69. 2007..This represents a novel mechanism by which receptor agonists modulate the function of a K+ channel to alter cell excitability...
Functional expression of TASK-1/TASK-3 heteromers in cerebellar granule cellsDawon Kang
Department of Physiology and Biophysics, Finch University of Health Sciences The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
J Physiol 554:64-77. 2004..These electrophysiological studies show that native 38 pS K+ channels of the TASK family in cultured CG neurones consist of both homomeric TASK-3 and heteromeric TASK-1/TASK-3...
Heteromeric TASK-1/TASK-3 is the major oxygen-sensitive background K+ channel in rat carotid body glomus cellsDonghee Kim
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science, The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
J Physiol 587:2963-75. 2009..These results show that TASK-1, TASK-1/3 and TASK-3 are all functionally expressed in isolated CB cells, and that the TASK-1/3 heteromer provides the major part of the oxygen-sensitive TASK-like background K+ conductance...
Single-channel properties and pH sensitivity of two-pore domain K+ channels of the TALK familyDawon Kang
Department of Physiology and Biophysics, The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
Biochem Biophys Res Commun 315:836-44. 2004..The effect of pH changes was mainly on the opening frequency. Thus, members of the TALK family expressed in native tissues may be identified based on their single-channel kinetics and pHo sensitivity...
Mechanism of inhibition of TREK-2 (K2P10.1) by the Gq-coupled M3 muscarinic receptorDawon Kang
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science, The Chicago Medical School, North Chicago, Illinois 60064, USA
Am J Physiol Cell Physiol 291:C649-56. 2006..These results suggest that the agonist-induced inhibition of TREK-2 via M(3) receptor occurs primarily via PKC-mediated phosphorylation...
TREK-2 (K2P10.1) and TRESK (K2P18.1) are major background K+ channels in dorsal root ganglion neuronsDawon Kang
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science, Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
Am J Physiol Cell Physiol 291:C138-46. 2006..As TREKs and TRESK are targets of modulation by receptor agonists, they are likely to play an active role in the regulation of excitability in DRG neurons...
Functional properties of four splice variants of a human pancreatic tandem-pore K+ channel, TALK-1Jaehee Han
Department of Physiology and Biophysics, Finch University of Health Sciences Chicago Medical School, 3333 Green Bay Rd, North Chicago, IL 60064, USA
Am J Physiol Cell Physiol 285:C529-38. 2003..16 and 7.21, respectively. These results indicate that at least two functional TALK-1 variants are present and may serve as background K+ currents in certain cells of the human pancreas...
Background and tandem-pore potassium channels in magnocellular neurosecretory cells of the rat supraoptic nucleusJaehee Han
Department of Physiology and Biophysics, Finch University of Health Sciences/The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
J Physiol 546:625-39. 2003..Various physiological and pathophysiological conditions may modulate these K(+) channels and regulate the excitability of MNCs...
Requirement of a soluble intracellular factor for activation of transient receptor potential A1 by pungent chemicals: role of inorganic polyphosphatesDonghee Kim
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science, The Chicago Medical School, North Chicago, Illinois 60064, USA
J Neurosci 27:6500-9. 2007..These results show that TRPA1 requires an intracellular factor to adopt a functional conformation that is sensitive to pungent chemicals and suggest that polyphosphates may partly act as such a factor...
Changes in oxygen sensitivity of TASK in carotid body glomus cells during early postnatal developmentDonghee Kim
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science 3333 Green Bay Rd, North Chicago, IL 60064, United States
Respir Physiol Neurobiol 177:228-35. 2011..These results support the hypothesis that postnatal carotid body functional maturation is due, at least in part, to changes in the sensitivity of TASK to the hypoxic signals generated in glomus cells...
Modulation of K2P3.1 (TASK-1), K2P9.1 (TASK-3), and TASK-1/3 heteromer by reactive oxygen speciesJustin R Papreck
Department of Physiology and Biophysics, Chicago Medical School, Rosalind Franklin University of Medicine and Science, 3333 Green Bay Road, North Chicago, IL 60064, USA
Pflugers Arch 464:471-80. 2012..These findings show that ROS do not support or inhibit TASK and BK activity and therefore are unlikely to be the hypoxic signal that causes cell excitation via inhibition of these K(+) channels...
Inhibition of transient receptor potential A1 channel by phosphatidylinositol-4,5-bisphosphateDonghee Kim
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science, The Chicago Medical School, North Chicago, IL 60064, USA
Am J Physiol Cell Physiol 295:C92-9. 2008..These results show that PIP2 inhibits TRPA1 and reduces the sensitivity of TRPA1 to AITC...
Functional expression of TREK-2 K+ channel in cultured rat brain astrocytesCarmen Gnatenco
Department of Physiology and Biophysics, Finch University of Health Sciences The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064 3095, USA
Brain Res 931:56-67. 2002..Our results show that TREK-2 is functionally expressed in cortical astrocytes in culture, and suggest that TREK-2 may be involved in K+ homeostasis of astrocytes during pathological states...
Physiology and pharmacology of two-pore domain potassium channelsDonghee Kim
Department of Physiology and Biophysics, Rosalind Franklin University of Medicine and Science, The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
Curr Pharm Des 11:2717-36. 2005..Therefore, K2P channels could become potentially important therapeutic targets for the treatment of various pathological conditions...
Choice of the adequate detection time for the accurate evaluation of the efficiency of siRNA-induced gene silencingInho Choi
Laboratory of Immunology, Transplantation Research Institute and Clinical Research Institute, Seoul National University Hospital, Seoul 110-744, Republic of Korea
J Biotechnol 120:251-61. 2005....
Thermosensitivity of the two-pore domain K+ channels TREK-2 and TRAAKDawon Kang
Department of Physiology, Gyeongsang National University School of Medicine, Jinju, Korea
J Physiol 564:103-16. 2005....
Characterization of four types of background potassium channels in rat cerebellar granule neuronsJaehee Han
Department of Physiology, Gyeongsang National University School of Medicine, Chinju, Korea
J Physiol 542:431-44. 2002..Our results also show that the high sensitivity of I(K,SO) to extracellular pH comes from the high sensitivity of Type 2 (TASK-3) and Type 4 K+ channels...
Properties and modulation of the G protein-coupled K+ channel in rat cerebellar granule neurons: ATP versus phosphatidylinositol 4,5-bisphosphateJaehee Han
Department of Physiology, Gyeonsang National University School of Medicine, Chinju, Korea
J Physiol 550:693-706. 2003..Our results also show that intracellular ATP modulates GIRK via pathways different from that of PIP2 in CG neurons...
MHC expression in a human adult stem cell line and its down-regulation by hCMV US gene transfectionJae Young Kim
Xenotransplantation Research Center, Seoul National University Hospital, Seoul 110-744, South Korea
Int J Biochem Cell Biol 37:69-78. 2005..In addition, viral stealth mechanisms can be exploited for stem cell transplantation...
Cutaneous nociception evoked by 15-delta PGJ2 via activation of ion channel TRPA1Lillian Cruz-Orengo
Washington University Pain Center, Department of Anesthesiology, Washington University School of Medicine, St Louis, MO 63130, USA
Mol Pain 4:30. 2008..Acrid, electrophilic chemicals including cinnamaldehyde (CA) and allyl isothiocyanate (AITC), derivatives of cinnamon and mustard oil respectively, activate thermoTRP member TRPA1 via direct modification of channel cysteine residues...
International Union of Pharmacology. LV. Nomenclature and molecular relationships of two-P potassium channelsSteve A N Goldstein
Department of Pediatrics and Institute for Molecular Pediatric Sciences, Pritzker School of Medicine, University of Chicago, Chicago, IL 60637, USA
Pharmacol Rev 57:527-40. 2005
