2013
The contribution of TWIK-1 channels to astrocyte K+ current is limited by retention in intracellular compartments
Wang W, Putra A, Schools GP, Ma B, Chen H, Kaczmarek LK, Barhanin J, Lesage F, Zhou M. The contribution of TWIK-1 channels to astrocyte K+ current is limited by retention in intracellular compartments. Frontiers In Cellular Neuroscience 2013, 7: 246. PMID: 24368895, PMCID: PMC3856854, DOI: 10.3389/fncel.2013.00246.Peer-Reviewed Original ResearchTWIK-1 channelsTWIK-1Plasma membraneIntracellular compartmentsMature hippocampal astrocytesTwo-pore domainWild-type animalsFractionation experimentsTwo-poreKnockout miceCytoplasmic fractionExpression of Kir4.1Compartment fractionsType animalsPhysiological conditionsTREK-1Whole-cell currentsLow-level presenceKnockoutLinear current-voltage relationshipCompartmentsMembraneMild effect
1998
Activation of Kv3.1 channels in neuronal spine-like structures may induce local potassium ion depletion
Wang L, Gan L, Perney T, Schwartz I, Kaczmarek L. Activation of Kv3.1 channels in neuronal spine-like structures may induce local potassium ion depletion. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 1882-1887. PMID: 9465111, PMCID: PMC19207, DOI: 10.1073/pnas.95.4.1882.Peer-Reviewed Original ResearchConceptsSpine-like structuresIon channelsMembrane structureMembrane compartmentsVesicle compartmentKv3.1 channelsBulk cytoplasmElectron immunomicroscopyCHO cellsPostsynaptic membraneVesiclesMembrane patchesSpine-like protrusionsNeuronal membrane structurePotassium channel Kv3.1Channel Kv3.1CellsComplete inactivationInactivationCompartmentsRapid depletionCentral nervous systemSlow refillingSynaptic stimulationNeuronal structures