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Tag potassium [84 articles]

Recent papers classified by the tag potassium.
  • Extracellular potassium dynamics in the border zone during acute myocardial ischemia in a canine model.
    J Am Coll Cardiol, Vol. 11, No. 2. (February 1988), pp. 422-430.
    by D David, EL Michelson, M Naito, LS Dreifus
    posted to concentration potassium by vgurev on 2006-06-19 17:09:58 as **
  • Effect of acute coronary artery occlusion on local myocardial extracellular K+ activity in swine.
    Circulation, Vol. 61, No. 4. (April 1980), pp. 768-778.
    by JL Hill, LS Gettes
    posted to concentration potassium by vgurev on 2006-06-19 17:11:29 as ** along with 1 person and 1 group brocktice TulaneCEP
  • Absence of a relationship between extracellular potassium accumulation and contractile failure in the ischemic or hypoxic rabbit heart.
    Adv Myocardiol, Vol. 6 (1985), pp. 405-415.
    by SC Webb, GG Fleetwood, RA Montgomery, PA Poole-Wilson
    posted to force potassium by vgurev on 2006-06-02 18:08:38 as **
  • Potassium.
    Lancet, Vol. 352, No. 9122. (11 July 1998), pp. 135-140.
    by ML Halperin, KS Kamel
    posted to k potassium by uhbnji98 on 2005-07-06 15:49:41 as read
  • Raman spectra and optical trapping of highly refractive and nontransparent particles
    Applied Physics Letters, Vol. 81 (August 2002), pp. 951-953.
    by C Xie, Li
    posted to clusters confocal enhanced germanium niobate nontransparent optical potassium r6g raman refraction sers silicon silver spectroscopy surface trap tweezers by rodney on 2007-08-19 22:04:55 as ***** along with 1 group Kopelman_Group
  • Cholinergic modulation of Kir2 channels selectively elevates dendritic excitability in striatopallidal neurons
    Nature Neuroscience, Vol. 10, No. 11. (30 September 2007), pp. 1458-1466.
    by Weixing Shen, Xinyong Tian, Michelle Day, Sasha Ulrich, Tatiana Tkatch, Neil M Nathanson, James D Surmeier
    posted to da ach potassium striatum by psique on 2007-11-03 12:08:31 as read
  • Towards a structural view of gating in potassium channels
    Nature Reviews Neuroscience, Vol. 5, No. 12. (01 December 2004), pp. 905-916.
    by Kenton J Swartz
    posted to potassium structure by psique on 2008-05-05 11:31:31 as read along with 1 person cudmore
  • A structural link between inactivation and block of a K(+) channel.
    Nature structural & molecular biology (18 May 2008)
    by Christian Ader, Robert Schneider, Sönke Hornig, Phanindra Velisetty, Erica M M Wilson, Adam Lange, Karin Giller, Iris Ohmert, Marie-France F Martin-Eauclaire, Dirk Trauner, Stefan Becker, Olaf Pongs, Marc Baldus
    posted to block channel potassium structure by paulschlesinger on 2008-06-23 01:47:27 as ** along with 1 person dimka
  • A novel potassium channel in skeletal muscle mitochondria
    Biochimica et Biophysica Acta (BBA) - Bioenergetics, Vol. In Press, Accepted Manuscript
    by Jolanta Skalska, Marta Piwonska, Elzbieta Wyroba, Liliana Surmacz, Rafal Wieczorek, Izabela Koszela-Piotrowska, Joanna Zielinska, Piotr Bednarczyk, Krzysztof Dolowy, Grzegorz M Wilczynski, Adam Szewczyk, Wolfram S Kunz
    posted to channel mitochondria muscle potassium by paulschlesinger on 2008-05-23 20:45:33 as **
  • The selectivity of K+ ion channels: Testing the hypotheses
    Biophys. J. (12 September 2008), biophysj.108.132035.
    by Philip W Fowler, Kaihsu Tai, Mark S Sansom
    posted to testing snug simulation selectivity potassium over fowler08pdf fit channel binding by paulschlesinger on 2008-09-18 00:10:38 as ** along with 1 person agrossfield
  • Insight into the Mechanism of Inactivation and pH Sensitivity in Potassium Channels from Molecular Dynamics Simulations
    Biochemistry (18 June 2008)
    by Phillip J Stansfeld, Alessandro Grottesi, Zara A Sands, Mark S Sansom, Peter Gedeck, Martin Gosling, Brian Cox, Peter R Stanfield, John S Mitcheson, Michael J Sutcliffe
    posted to channel ph potassium sensitivity by paulschlesinger on 2008-06-20 23:42:29 as **
  • Influence of membrane physical state on lysosomal potassium ion permeability
    Cell Biology International, Vol. 29, No. 6. (June 2005), pp. 393-401.
    by Jun Wang, Guo-Jiang Zhang
    posted to lysosome membrane permeability potassium by paulschlesinger on 2008-04-01 20:12:33 as **
  • ATP-regulated K+ channels in cardiac muscle
    Nature, Vol. 305, No. 5930. (1983), pp. 147-148.
    by A Noma
    posted to channels potassium by mmaleck on 2005-11-19 20:22:11 as **** along with 1 person and 1 group brocktice TulaneCEP
  • Contribution of IKr to rate-dependent action potential dynamics in canine endocardium.
    Circ Res, Vol. 94, No. 6. (2 April 2004), pp. 810-819.
    by F Hua, RF Gilmour
    posted to currents dog potassium by mmaleck on 2005-11-19 20:12:07 as ** along with 2 people and 1 group brocktice kkumar TulaneCEP
  • The slow component of the delayed rectifier potassium current in undiseased human ventricular myocytes.
    Cardiovasc Res, Vol. 49, No. 4. (March 2001), pp. 790-797.
    by L Virág, N Iost, M Opincariu, J Szolnoky, J Szécsi, G Bogáts, P Szenohradszky, A Varró, JG Papp
    posted to currents human potassium by mmaleck on 2005-11-19 20:12:38 as *** along with 1 person and 1 group brocktice TulaneCEP
  • Transmural expression of transient outward potassium current subunits in normal and failing canine and human hearts.
    J Physiol, Vol. 561, No. Pt 3. (15 December 2004), pp. 735-748.
    by S Zicha, L Xiao, S Stafford, TJ Cha, W Han, A Varro, S Nattel
    posted to currents human potassium by mmaleck on 2005-11-19 20:11:36 as *** along with 1 person and 1 group brocktice TulaneCEP
  • Restricting excessive cardiac action potential and QT prolongation: a vital role for IKs in human ventricular muscle.
    Circulation, Vol. 112, No. 10. (6 September 2005), pp. 1392-1399.
    by N Jost, L Virág, M Bitay, J Takács, C Lengyel, P Biliczki, Z Nagy, G Bogáts, DA Lathrop, JG Papp, A Varró
    posted to currents human potassium by mmaleck on 2005-11-19 20:09:30 as **** along with 2 people and 1 group brocktice tomb TulaneCEP
  • Gene expression profiling of human cardiac potassium and sodium channels.
    Int J Cardiol (25 October 2005)
    by Balázs Ordög, Endre Brutyó, László G G Puskás, Julius G G Papp, András Varró, János Szabad, Zsolt Boldogkői
    posted to channels potassium sodium by mmaleck on 2005-11-19 20:07:31 as **** along with 1 person and 1 group brocktice TulaneCEP
  • Reduced backscattering in potassium-doped nanotubes: Ab initio and semiempirical simulations
    Physical Review B (Condensed Matter and Materials Physics), Vol. 73, No. 12. (2006)
    by Ch, Stephan Roche, X Blase
    posted to doping nanotubes nitrogen potassium by kirwandf on 2007-06-25 15:17:50 as ** along with 2 people and 1 group andrewwall maurengo Mauro
  • K and Ca content of fresh green tea, black tea, and tea residue determined by X-ray fluorescence analysis.
    Z Lebensm Unters Forsch, Vol. 196, No. 1. (January 1993), pp. 32-37.
    by S Nas, HY Gokalp, Y Sahin
    posted to aging diet flavonoids nutrition potassium tea by imouthesmp on 2006-06-29 21:55:25 as **
  • p38 Mitogen-activated Protein Kinase Regulates Low Potassium-induced c-Jun Phosphorylation and Apoptosis in Cultured Cerebellar Granule Neurons
    J. Biol. Chem., Vol. 276, No. 7. (9 February 2001), pp. 5129-5133.
    by Satoru Yamagishi, Masashi Yamada, Yasuyuki Ishikawa, Tomoya Matsumoto, Toshihiko Ikeuchi, Hiroshi Hatanaka
    posted to potassium p38mapk apoptosis by HEIRS on 2008-11-08 17:41:44 as *** along with 6 groups HEIRS Traumatic Brain Injury HEIRS Psychology and Psychotherapy HEIRS Neurology HEIRS Immunology and Autoimmune Diseases HEIRS - Environmental Illness Research HEIRS Cellular Biology
  • Comparison of inhibitory effects of brain-derived neurotrophic factor and insulin-like growth factor on low potassium-induced apoptosis and activation of p38 MAPK and c-Jun in cultured cerebellar granule neurons.
    Brain research. Molecular brain research, Vol. 119, No. 2. (26 November 2003), pp. 184-191.
    by S Yamagishi, T Matsumoto, D Yokomaku, H Hatanaka, K Shimoke, M Yamada, T Ikeuchi
    posted to potassium p38mapk igf-1 bdnf by HEIRS on 2008-11-08 18:44:50 as *** along with 6 groups HEIRS Psychology and Psychotherapy HEIRS Oxidative Stress HEIRS Neurology HEIRS Immunology and Autoimmune Diseases HEIRS - Environmental Illness Research HEIRS Cellular Biology
  • Block of heart potassium channels by clofilium and its tertiary analogs: relationship between drug structure and type of channel blocked.
    Mol Pharmacol, Vol. 34, No. 1. (July 1988), pp. 60-66.
    by JP Arena, RS Kass
    posted to atp clofilium drugs i-katp ion_channels ischemia k potassium by brocktice to the group TulaneCEP on 2005-11-03 19:49:56 as ***
  • Inward-rectifying channels in isolated patches of the heart cell membrane: ATP-dependence and comparison with cell-attached patches.
    Pflugers Arch, Vol. 401, No. 2. (June 1984), pp. 178-184.
    by G Trube, J Hescheler
    posted to atp heart i-katp ion_channels ischemia myocardium patch-clamp potassium by brocktice to the group TulaneCEP on 2005-11-03 19:42:31 as ****
  • Hyperinsulinism induced by targeted suppression of beta cell KATP channels.
    Proc Natl Acad Sci U S A, Vol. 99, No. 26. (24 December 2002), pp. 16992-16997.
    by JC Koster, MS Remedi, TP Flagg, JD Johnson, KP Markova, BA Marshall, CG Nichols
    posted to channels i-katp insulin ion_channels k katp pancreas potassium by brocktice to the group TulaneCEP on 2005-11-10 14:08:19 as **
  • ATP-sensitive K+ channels are altered in hypertrophied ventricular myocytes.
    Am J Physiol, Vol. 255, No. 5 Pt 2. (November 1988)
    by JS Cameron, S Kimura, DA Jackson-Burns, DB Smith, AL Bassett
    posted to k myocardium potassium ventricles atp disease i-katp ion_channels by brocktice to the group TulaneCEP on 2005-11-03 19:48:08 as **** along with 1 person mmaleck
  • Nucleotide modulation of the activity of rat heart ATP-sensitive K+ channels in isolated membrane patches.
    J Physiol, Vol. 419 (December 1989), pp. 193-211.
    by WJ Lederer, CG Nichols
    posted to i-katp ion_channels ischemia k nucleotide patch-clamp potassium rat by brocktice to the group TulaneCEP on 2005-11-03 19:56:47 as **** along with 1 person dimka
  • A difference in inward rectification and polyamine block and permeation between the Kir2.1 and Kir3.1Kir3.4 K channels
    The Journal of Physiology, Vol. 568, No. 3. (November 2005), pp. 749-766.
    by Samy M Makary, Tom W Claydon, Decha Enkvetchakul, Colin G Nichols, Mark R Boyett
    posted to disease electrophysiology genetics heart ion_channels k kir kir21 kir31 kir34 lecture potassium rectification by brocktice to the group TulaneCEP on 2005-12-05 17:06:15 as ** along with 1 person dimka
  • Myocardial potassium loss and cell depolarisation in ischaemia and hypoxia.
    Cardiovasc Res, Vol. 29, No. 1. (January 1995), pp. 1-15.
    by AA Wilde, G Aksnes
    posted to efflux hypoxia ischemia potassium ri2d by brocktice to the group TulaneCEP on 2006-07-11 22:25:44 as read
  • Targeted overactivity of beta cell K(ATP) channels induces profound neonatal diabetes.
    Cell, Vol. 100, No. 6. (17 March 2000), pp. 645-654.
    by JC Koster, BA Marshall, N Ensor, JA Corbett, CG Nichols
    posted to beta_cell channels diabetes i-katp ion_channels k neonatal pancreas potassium by brocktice to the group TulaneCEP on 2005-11-10 14:10:35 as **
  • Properties of adenosine-triphosphate-regulated potassium channels in guinea-pig ventricular cells.
    J Physiol, Vol. 363 (June 1985), pp. 441-462.
    by M Kakei, A Noma, T Shibasaki
    posted to atp cells guinea_pig i-katp ischemia k potassium ventricle by brocktice to the group TulaneCEP on 2005-11-03 19:43:41 as *****
  • Dependence of defibrillation threshold upon extracellular/intracellular K+ concentrations.
    J Electrocardiol, Vol. 13, No. 1. (1980), pp. 73-78.
    by CF Babbs, SJ Whistler, GK Yim, WA Tacker, LA Geddes
    posted to defibrillation defibrillation_threshold dft nernst potassium potential ri2d threshold by brocktice to the group TulaneCEP on 2006-07-11 18:35:03 as read
  • Effects of myocardial ischemia on ventricular fibrillation inducibility and defibrillation efficacy.
    J Am Coll Cardiol, Vol. 29, No. 4. (15 March 1997), pp. 817-824.
    by S Behrens, C Li, MR Franz
    posted to defibrillation potassium ri2d by brocktice to the group TulaneCEP on 2006-07-11 18:31:10 as read along with 2 people vgurev weihuil
  • Hypoxia increases potassium efflux from mammalian myocardium.
    Experientia, Vol. 32, No. 4. (15 April 1976), pp. 483-484.
    by A Vleugels, E Carmeliet
    posted to electrophysiology heart hypoxia ischemia k mammals myocardium potassium by brocktice to the group TulaneCEP on 2005-11-07 20:06:18 as ****
  • Voltage-dependent magnesium block of adenosine-triphosphate-sensitive potassium channel in guinea-pig ventricular cells.
    J Physiol, Vol. 387 (June 1987), pp. 251-272.
    by M Horie, H Irisawa, A Noma
    posted to guinea_pig heart i-katp ion_channels myocardium potassium ventricles by brocktice to the group TulaneCEP on 2005-11-03 19:46:59 as ****
  • Regulation of membrane potential and diameter by voltage-dependent K+ channels in rabbit myogenic cerebral arteries.
    Am J Physiol, Vol. 269, No. 1 Pt 2. (July 1995)
    by HJ Knot, MT Nelson
    posted to experimental myogenic potassium rabbit response by alexr to the group Autoregulation on 2005-03-17 09:26:05 as **
  • Disruption of KCC2 reveals an essential role of K-Cl cotransport already in early synaptic inhibition.
    Neuron, Vol. 30, No. 2. (May 2001), pp. 515-524.
    by CA Hübner, V Stein, I Hermans-Borgmeyer, T Meyer, K Ballanyi, TJ Jentsch
    posted to chloride cotransport exchanger potassium by frooonk on 2006-12-15 15:37:37 as ** along with 1 person dark_innocent
  • KCNQ4, a K+ channel mutated in a form of dominant deafness, is expressed in the inner ear and the central auditory pathway.
    Proc Natl Acad Sci U S A, Vol. 97, No. 8. (11 April 2000), pp. 4333-4338.
    by T Kharkovets, JP Hardelin, S Safieddine, M Schweizer, A El-Amraoui, C Petit, TJ Jentsch
    posted to hair_cell kcnq potassium vgpcs by frooonk on 2006-12-15 15:46:54 as **
  • KCNQ4, a novel potassium channel expressed in sensory outer hair cells, is mutated in dominant deafness.
    Cell, Vol. 96, No. 3. (5 February 1999), pp. 437-446.
    by C Kubisch, BC Schroeder, T Friedrich, B Lütjohann, A El-Amraoui, S Marlin, C Petit, TJ Jentsch
    posted to hair_cell kcnq potassium vgpcs by frooonk on 2006-12-15 15:51:32 as **
  • Constraints on Voltage Sensor Movement in the Shaker K+ Channel.
    J Gen Physiol (13 November 2006)
    by Rachel B B Darman, Allison A A Ivy, Vina Ketty, Robert O O Blaustein
    posted to channel kv kvap potassium voltage-gated by dimka on 2006-11-16 16:09:44 as **
  • Mechanosensitivity of GIRK Channels Is Mediated by Protein Kinase C-dependent Channel-Phosphatidylinositol 4,5-Bisphosphate Interaction
    J. Biol. Chem., Vol. 279, No. 8. (20 February 2004), pp. 7037-7047.
    by Liyan Zhang, Jong-Kook Lee, Scott A John, Nobuyuki Uozumi, Itsuo Kodama
    posted to acetate fluorescence hydrolysis inhibitor kinase luminescent mutagenesis naphthalene osmosis phosphatidylinositol potassium protein spectrometry staurosporine structure tetradecanoylphorbol pip2 by dimka on 2006-09-27 01:20:25 as **
  • K(+) channel activity in plants: Genes, regulations and functions.
    FEBS Lett (30 March 2007)
    by Anne Lebaudy, Anne-Aliénor A Véry, Hervé Sentenac
    posted to channel plants potassium review by dimka on 2007-04-11 23:03:24 as **
  • G protein gated potassium channels.
    Adv Second Messenger Phosphoprotein Res, Vol. 33 (1999), pp. 179-201.
    by JL Sui, K Chan, MN Langan, M Vivaudou, DE Logothetis
    posted to ach adenosine channel distribution effect gating gtp-binding homology humans ion knockout lipid mice molecular potassium protein sequence triphosphate by dimka on 2005-11-23 19:48:13 as **
  • Distinct specificities of inwardly rectifying K(+) channels for phosphoinositides.
    J Biol Chem, Vol. 274, No. 51. (17 December 1999), pp. 36065-36072.
    by T Rohacs, J Chen, GD Prestwich, DE Logothetis
    posted to channel electrophysiology inwardly phosphatidylinositol potassium rectifying signal transduction pip2 by dimka on 2005-11-23 19:49:54 as **
  • Alterations in conserved Kir channel-PIP2 interactions underlie channelopathies.
    Neuron, Vol. 34, No. 6. (13 June 2002), pp. 933-944.
    by CM Lopes, H Zhang, T Rohacs, T Jin, J Yang, DE Logothetis
    posted to channel conserved data disease gating glycogen inwardly ion membrane molecular mutation oocytes phosphatidylinositol potassium potential rectifying sequence pip2 by dimka on 2005-11-23 19:45:45 as **
  • Receptor-mediated hydrolysis of plasma membrane messenger PIP2 leads to K+-current desensitization.
    Nat Cell Biol, Vol. 2, No. 8. (August 2000), pp. 507-514.
    by E Kobrinsky, T Mirshahi, H Zhang, T Jin, DE Logothetis
    posted to ach amp atria blocker conductivity cross-talk electric epidermal estrene factor gating growth gtp-binding heart heterotrimeric hydrolysis inhibitor ion laevis m1 m2 membrane muscarinic phosphatidylinositol phospholipase potassium pip2 by dimka on 2005-11-23 19:43:33 as **
  • The beta gamma subunits of GTP-binding proteins activate the muscarinic K+ channel in heart.
    Nature, Vol. 325, No. 6102. (8 1987), pp. 321-326.
    by DE Logothetis, Y Kurachi, J Galper, EJ Neer, DE Clapham
    posted to 5-o-3-thiotriphosphate amp analogs channel conductivity derivative electric embryo gtp-binding guanosine guanylyl imidodiphosphate ion macromolecular magnesium muscarinic potassium receptor relationship structure-activity thionucleotide triphosphate by dimka on 2005-11-23 19:50:53 as **
  • Structural determinants of PIP(2) regulation of inward rectifier K(ATP) channels.
    J Gen Physiol, Vol. 116, No. 5. (November 2000), pp. 599-608.
    by SL Shyng, CA Cukras, J Harwood, CG Nichols
    posted to cell channel inward ligand mutation phosphatidylinositol pip2 potassium rectify structure-activity triphosphate by dimka on 2006-11-26 19:08:29 as **
  • Single channel characterization of multiple types of potassium channels in demyelinated Xenopus axons
    J. Neurosci., Vol. 13, No. 12. (1 December 1993), pp. 5153-5163.
    by Jv Wu, Ct Rubinstein, P Shrager
    posted to channel kir potassium recording single-channel by dimka on 2005-12-26 09:17:57 as **
  • Activation of the atrial KACh channel by the betagamma subunits of G proteins or intracellular Na+ ions depends on the presence of phosphatidylinositol phosphates.
    Proc Natl Acad Sci U S A, Vol. 95, No. 3. (3 February 1998), pp. 1307-1312.
    by JL Sui, J Petit-Jacques, DE Logothetis
    posted to adenosine cell gating gtp-binding guanosine membrane muscarinic myocardium phosphatidylinositol potassium proteins receptors signal sodium transduction triphosphate pip2 by dimka on 2005-11-23 19:47:32 as **
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