2022
Fluid shear stress enhances proliferation of breast cancer cells via downregulation of the c-subunit of the F1FO ATP synthase
Park HA, Brown SR, Jansen J, Dunn T, Scott M, Mnatsakanyan N, Jonas EA, Kim Y. Fluid shear stress enhances proliferation of breast cancer cells via downregulation of the c-subunit of the F1FO ATP synthase. Biochemical And Biophysical Research Communications 2022, 632: 173-180. PMID: 36209586, PMCID: PMC10024463, DOI: 10.1016/j.bbrc.2022.09.084.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateBreast NeoplasmsCell ProliferationDown-RegulationFemaleHumansMitochondrial Proton-Translocating ATPasesOxygenMitochondrial ATP synthase c-subunit leak channel triggers cell death upon loss of its F1 subcomplex
Mnatsakanyan N, Park HA, Wu J, He X, Llaguno MC, Latta M, Miranda P, Murtishi B, Graham M, Weber J, Levy RJ, Pavlov EV, Jonas EA. Mitochondrial ATP synthase c-subunit leak channel triggers cell death upon loss of its F1 subcomplex. Cell Death & Differentiation 2022, 29: 1874-1887. PMID: 35322203, PMCID: PMC9433415, DOI: 10.1038/s41418-022-00972-7.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateCell DeathHumansMitochondrial Membrane Transport ProteinsMitochondrial Permeability Transition PoreMitochondrial Proton-Translocating ATPasesProton-Translocating ATPasesConceptsMitochondrial permeability transitionATP synthase c-subunitCell deathMitochondrial ATP synthaseChannel activityCellular energy productionLeak channelsVoltage-gated ion channelsF1 subcomplexATP synthaseC subunitInner membraneProkaryotic hostsCell stressPermeability transitionIon channelsGating mechanismOsmotic changesLarge conductanceC-ringChannels triggersNeuronal deathF1SubcomplexOsmotic gradient
2020
ATP synthase c-subunit ring as the channel of mitochondrial permeability transition: Regulator of metabolism in development and degeneration
Mnatsakanyan N, Jonas EA. ATP synthase c-subunit ring as the channel of mitochondrial permeability transition: Regulator of metabolism in development and degeneration. Journal Of Molecular And Cellular Cardiology 2020, 144: 109-118. PMID: 32461058, PMCID: PMC7877492, DOI: 10.1016/j.yjmcc.2020.05.013.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDisease SusceptibilityEnergy MetabolismHumansMitochondriaMitochondrial MembranesMitochondrial Proton-Translocating ATPasesModels, MolecularNeuronal PlasticityNeuronsPermeabilityProtein ConformationProtein SubunitsConceptsMitochondrial permeability transition poreC subunit ringMitochondrial permeability transitionPermeability transitionRegulator of metabolismPermeability transition poreImportant metabolic regulatorMitochondrial megachannelBiology todayRegulatory mechanismsCentral playerTransition poreMetabolic regulatorMolecular compositionRecent findingsRegulatorDegenerative diseasesPathophysiological roleRecent advancesMegachannelRoleMetabolismMysterious phenomenon
2019
A mitochondrial megachannel resides in monomeric F1FO ATP synthase
Mnatsakanyan N, Llaguno MC, Yang Y, Yan Y, Weber J, Sigworth FJ, Jonas EA. A mitochondrial megachannel resides in monomeric F1FO ATP synthase. Nature Communications 2019, 10: 5823. PMID: 31862883, PMCID: PMC6925261, DOI: 10.1038/s41467-019-13766-2.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalciumCryoelectron MicroscopyMitochondria, HeartMitochondrial MembranesMitochondrial Proton-Translocating ATPasesProtein SubunitsSwineUnilamellar LiposomesConceptsATP synthase monomersMitochondrial permeability transition poreATP synthaseGiant unilamellar vesiclesMitochondrial megachannelOligomeric stateSmall unilamellar vesiclesF1Fo-ATP synthaseMitochondrial ATP synthaseMitochondrial inner membraneCryo-EM density mapsPermeability transition porePorcine heart mitochondriaUnilamellar vesiclesInner membraneMPTP activityTransition poreElectron cryomicroscopyChannel activityLipid compositionDimer formationHeart mitochondriaSynthaseChannel formationVesiclesParkinson’s disease protein DJ-1 regulates ATP synthase protein components to increase neuronal process outgrowth
Chen R, Park HA, Mnatsakanyan N, Niu Y, Licznerski P, Wu J, Miranda P, Graham M, Tang J, Boon AJW, Cossu G, Mandemakers W, Bonifati V, Smith PJS, Alavian KN, Jonas EA. Parkinson’s disease protein DJ-1 regulates ATP synthase protein components to increase neuronal process outgrowth. Cell Death & Disease 2019, 10: 469. PMID: 31197129, PMCID: PMC6565618, DOI: 10.1038/s41419-019-1679-x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDopaminergic NeuronsGene ExpressionHumansMembrane Potential, MitochondrialMiceMice, Inbred C57BLMice, KnockoutMitochondriaMitochondrial MembranesMitochondrial Proton-Translocating ATPasesProtein BindingProtein Deglycase DJ-1Rats, Sprague-DawleyConceptsDJ-1C subunitATP synthaseParkinson's disease protein DJ-1Β-subunitProtein componentsATP synthase β subunitMitochondrial uncouplingDJ-1 bindsATP synthase efficiencyATP synthase F1Synthase β subunitATP production efficiencyProtein DJ-1Neuronal process extensionProtein levelsNeuronal process outgrowthDJ-1 knockoutWild-type counterpartsSubunit protein levelsDJ-1 mutationsSevere defectsCell metabolismKO neuronsKO cultures
2017
Phylogenetic Profiling of Mitochondrial Proteins and Integration Analysis of Bacterial Transcription Units Suggest Evolution of F1Fo ATP Synthase from Multiple Modules
Niu Y, Moghimyfiroozabad S, Safaie S, Yang Y, Jonas EA, Alavian KN. Phylogenetic Profiling of Mitochondrial Proteins and Integration Analysis of Bacterial Transcription Units Suggest Evolution of F1Fo ATP Synthase from Multiple Modules. Journal Of Molecular Evolution 2017, 85: 219-233. PMID: 29177973, PMCID: PMC5709465, DOI: 10.1007/s00239-017-9819-3.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateEvolution, MolecularHumansMitochondriaMitochondrial ProteinsMitochondrial Proton-Translocating ATPasesPhylogenyProtein DomainsProtein Structural ElementsTranscription, GeneticConceptsBacterial transcription unitsF1Fo-ATP synthaseHuman mitochondrial proteinsTranscription unitATP synthaseMitochondrial proteinsPhylogenetic profilesF-type ATP synthaseATP synthase genesSeparate transcription unitsKingdoms of lifeATP synthase complexPeripheral stalk subunitsC subunit ringComplex evolutionary processesAncestral modulesPhylogenetic profilingModular evolutionSynthase complexBacterial genomesUniversal enzymeSynthase geneBacterial classesIndependent assemblyΑ3β3 hexamerInhibition of Bcl-xL prevents pro-death actions of ΔN-Bcl-xL at the mitochondrial inner membrane during glutamate excitotoxicity
Park HA, Licznerski P, Mnatsakanyan N, Niu Y, Sacchetti S, Wu J, Polster BM, Alavian KN, Jonas EA. Inhibition of Bcl-xL prevents pro-death actions of ΔN-Bcl-xL at the mitochondrial inner membrane during glutamate excitotoxicity. Cell Death & Differentiation 2017, 24: 1963-1974. PMID: 28777375, PMCID: PMC5635221, DOI: 10.1038/cdd.2017.123.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsBcl-X ProteinBiphenyl CompoundsCell DeathCyclosporineGlutamic AcidMembrane Potential, MitochondrialMitochondrial MembranesMitochondrial Proton-Translocating ATPasesModels, BiologicalMutant ProteinsNeuritesNeurotoxinsNitrophenolsPiperazinesProtein SubunitsRats, Sprague-DawleyRhodaminesSulfonamidesConceptsBcl-xLABT-737ΔN-BclMitochondrial membraneWEHI-539ATP synthase c-subunitMitochondrial inner membrane depolarizationPro-death actionInner membrane depolarizationMitochondrial inner membraneOuter mitochondrial membraneMitochondrial inner membrane potentialATP synthase activityActivation of BaxInner membrane potentialMitochondrial permeability transition poreMitochondrial membrane potentialMembrane potentialPermeability transition poreAnti-apoptotic activityC subunitInner membraneB-cell lymphoma extra-large proteinBax activationGlutamate toxicity
2016
The Mitochondrial Permeability Transition Pore and ATP Synthase
Beutner G, Alavian K, Jonas EA, Porter GA. The Mitochondrial Permeability Transition Pore and ATP Synthase. Handbook Of Experimental Pharmacology 2016, 240: 21-46. PMID: 27590224, PMCID: PMC7439278, DOI: 10.1007/164_2016_5.BooksMeSH KeywordsAdenosine TriphosphateAnimalsApoptosisElectron TransportEnergy MetabolismHumansMitochondrial Membrane Transport ProteinsMitochondrial Permeability Transition PoreMitochondrial Proton-Translocating ATPasesConceptsPermeability transition poreElectron transport chainATP synthaseGeneration of ATPMitochondrial permeability transition poreATP generationTransition poreCell deathC subunit ringMitochondrial ATP generationFo subunitsEmbryonic mouse heartPTP openingTransport chainOxidative phosphorylationEquivalents NADHMature cellsSynthasePhysiologic roleMouse heartsATPRecent studiesPhosphorylationSubunitsFADH2
2015
Cell death disguised: The mitochondrial permeability transition pore as the c-subunit of the F1FO ATP synthase
Jonas EA, Porter GA, Beutner G, Mnatsakanyan N, Alavian KN. Cell death disguised: The mitochondrial permeability transition pore as the c-subunit of the F1FO ATP synthase. Pharmacological Research 2015, 99: 382-392. PMID: 25956324, PMCID: PMC4567435, DOI: 10.1016/j.phrs.2015.04.013.BooksMeSH KeywordsAdenosine TriphosphateAnimalsCell DeathMitochondriaMitochondrial Membrane Transport ProteinsMitochondrial MembranesMitochondrial Permeability Transition PoreMitochondrial Proton-Translocating ATPasesConceptsMitochondrial permeability transition poreATP synthaseC subunitCell deathF1Fo-ATP synthaseInner mitochondrial membranePermeability transition poreMitochondrial permeability transitionOuter membraneMitochondrial membraneRegulatory mechanismsOxidative phosphorylationATP productionTransition poreMitochondrial functionPermeability transitionMolecular componentsOsmotic dysregulationLarge conductancePathological roleRecent findingsPersistent openingSynthaseIon transportMembrane
2011
Bcl-xL regulates metabolic efficiency of neurons through interaction with the mitochondrial F1FO ATP synthase
Alavian KN, Li H, Collis L, Bonanni L, Zeng L, Sacchetti S, Lazrove E, Nabili P, Flaherty B, Graham M, Chen Y, Messerli SM, Mariggio MA, Rahner C, McNay E, Shore GC, Smith PJ, Hardwick JM, Jonas EA. Bcl-xL regulates metabolic efficiency of neurons through interaction with the mitochondrial F1FO ATP synthase. Nature Cell Biology 2011, 13: 1224-1233. PMID: 21926988, PMCID: PMC3186867, DOI: 10.1038/ncb2330.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsBcl-2 Homologous Antagonist-Killer ProteinBcl-2-Associated X ProteinBcl-X ProteinBiphenyl CompoundsCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneCells, CulturedEnergy MetabolismEnzyme InhibitorsHippocampusHydrolysisMembrane Potential, MitochondrialMitochondriaMitochondrial MembranesMitochondrial Proton-Translocating ATPasesNeuronsNitrophenolsOligomycinsOxygen ConsumptionPatch-Clamp TechniquesPiperazinesProton IonophoresRatsRecombinant Fusion ProteinsRNA InterferenceSulfonamidesSynapsesTime FactorsTransfectionConceptsBcl-xLSynthase complexATP synthaseMitochondrial F1Fo-ATP synthaseAnti-apoptotic BCL2 family proteinsF1Fo-ATP synthaseATP synthase complexF1FO-ATPase activityBcl-xL activityATPase activityBcl-xL proteinBCL2 family proteinsEndogenous Bcl-xLPresence of ATPFamily proteinsATPase complexNormal neuronal functionMembrane leak conductanceSubmitochondrial vesiclesΒ-subunitProtect cellsGenetic inhibitionMitochondrial efficiencyF1FoApoptotic molecules