2017
Examination of Mitochondrial Ion Conductance by Patch Clamp in Intact Neurons and Mitochondrial Membrane Preparations
Jonas E, Mnatsakanyan N. Examination of Mitochondrial Ion Conductance by Patch Clamp in Intact Neurons and Mitochondrial Membrane Preparations. Neuromethods 2017, 123: 211-238. DOI: 10.1007/978-1-4939-6890-9_11.Peer-Reviewed Original ResearchMitochondrial calcium uniporterMitochondrial permeability transition poreInner membraneCell deathOuter membraneIon channelsBcl-2 family proteinsNumerous cellular processesMitochondrial ion channelsComplex of proteinsChannel activityTrafficking of metabolitesPro-death stimuliMitochondrial membrane preparationsPermeability transition poreIon channel activityMembrane compartmentalizationIon channel complexDeath channelATP synthaseCellular processesFamily proteinsCalcium uniporterMolecular participantsATP productionCatSperζ regulates the structural continuity of sperm Ca2+ signaling domains and is required for normal fertility
Chung JJ, Miki K, Kim D, Shim SH, Shi HF, Hwang JY, Cai X, Iseri Y, Zhuang X, Clapham DE. CatSperζ regulates the structural continuity of sperm Ca2+ signaling domains and is required for normal fertility. ELife 2017, 6: e23082. PMID: 28226241, PMCID: PMC5362262, DOI: 10.7554/elife.23082.Peer-Reviewed Original ResearchConceptsMammalian female reproductive tractSevere male subfertilityFemale reproductive tractIon channel complexNovel subunitCatSper complexEvolutionary adaptationMale subfertilityReproductive tractMouse spermSperm Ca2Normal fertilityTargeted disruptionSperm cellsFlagellaChannel complexFemale uterusSubunitsEpididymal spermatozoaSpermComplexesFertilizationSubfertilityUterusMice
2016
The polycystins are modulated by cellular oxygen-sensing pathways and regulate mitochondrial function
Padovano V, Kuo IY, Stavola LK, Aerni HR, Flaherty BJ, Chapin HC, Ma M, Somlo S, Boletta A, Ehrlich BE, Rinehart J, Caplan MJ. The polycystins are modulated by cellular oxygen-sensing pathways and regulate mitochondrial function. Molecular Biology Of The Cell 2016, 28: 261-269. PMID: 27881662, PMCID: PMC5231895, DOI: 10.1091/mbc.e16-08-0597.Peer-Reviewed Original ResearchConceptsPolycystin-1Polycystin-2Cellular oxygen-sensing pathwaysMitochondrial functionOxygen-sensing pathwayBroad physiological rolesProlyl hydroxylase domainCellular energy metabolismPolycystin complexIon channel complexEndoplasmic reticulum CaPC1 expressionSubcellular localizationHydroxylase domainMitochondrial CaER CaNovel rolePhysiological roleEnergy metabolismChannel complexChannel activityPolycystinsAutosomal dominant polycystic kidney diseaseReticulum CaDominant polycystic kidney disease
2014
More Than a Pore: Ion Channel Signaling Complexes
Lee A, Fakler B, Kaczmarek LK, Isom LL. More Than a Pore: Ion Channel Signaling Complexes. Journal Of Neuroscience 2014, 34: 15159-15169. PMID: 25392484, PMCID: PMC4228125, DOI: 10.1523/jneurosci.3275-14.2014.Peer-Reviewed Original ResearchConceptsIon channelsHeterologous expression systemIon channel complexSignaling ComplexFunctional dissectionHuman genomeMolecular basisExpression systemSecond messengerHuman diseasesChannel complexCellular excitabilityProteinNew insightsSuch interactionsInteractomeGenomeUnexpected propertiesComplexesMessengerPathwayInteractionDysregulationLocalizationVivo
2009
Molecular participants in mitochondrial cell death channel formation during neuronal ischemia
Jonas EA. Molecular participants in mitochondrial cell death channel formation during neuronal ischemia. Experimental Neurology 2009, 218: 203-212. PMID: 19341732, PMCID: PMC2710418, DOI: 10.1016/j.expneurol.2009.03.025.Peer-Reviewed Original ResearchConceptsBcl-2 family proteinsCell deathFamily proteinsInner membraneOuter membraneIon channelsMolecular participantsNumerous cellular processesMitochondrial ion channelsComplex of proteinsSpecialized physiological functionsMembrane compartmentalizationIon channel complexCellular processesPhysiological functionsIon channel conductanceCytosolic metabolitesChannel complexProteinMembrane potentialChannel formationMembraneChannel conductanceSynaptic transmissionVDAC
1995
Structural Model of the Phospholamban Ion Channel Complex in Phospholipid Membranes
Arkin I, Rothman M, Ludlam C, Aimoto S, Engelman D, Rothschild K, Smith S. Structural Model of the Phospholamban Ion Channel Complex in Phospholipid Membranes. Journal Of Molecular Biology 1995, 248: 824-834. PMID: 7752243, DOI: 10.1006/jmbi.1995.0263.Peer-Reviewed Original ResearchConceptsSelective ion conductanceTransmembrane domainAmino acid residuesN-terminal 30 amino acid residuesAcid residuesCircular dichroismPentameric protein complexFull-length proteinC-terminal 22 amino acid residuesPhospholipid membranesIon channel complexTransmembrane helicesProtein complexesPhosphorylation sitesMembrane proteinsIon conductanceCarboxy terminusHelix bundleIon poreReticulum membraneInhibitory complexLong helixPentameric complexSecondary structureProtein
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