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
2005
Actions of BAX on Mitochondrial Channel Activity and on Synaptic Transmission
Jonas EA, Hardwick JM, Kaczmarek LK. Actions of BAX on Mitochondrial Channel Activity and on Synaptic Transmission. Antioxidants & Redox Signaling 2005, 7: 1092-1100. PMID: 16115013, DOI: 10.1089/ars.2005.7.1092.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBcl-2-Associated X ProteinBcl-X ProteinCell MembraneElectrophysiologyIntracellular MembranesLiposomesLoligoMitochondriaMultigene FamilyNeurotransmitter AgentsPatch-Clamp TechniquesPeptidesPresynaptic TerminalsProtein Structure, TertiarySynapsesSynaptic TransmissionTime FactorsConceptsMitochondrial membraneBcl-2 family proteins BaxCell deathOuter mitochondrial membraneAction of BaxMitochondrial channel activityChannel activityNormal physiological settingsAntiapoptotic Bcl-xL proteinBcl-xL proteinDeath channelMitochondrial architectureMitochondrial channelsProapoptotic fragmentsLarge conductance channelPresynaptic terminalsBcl-xL.Proapoptotic proteinsAlternative functionsProtein BaxPhysiological settingsPhysiological roleSynaptic transmissionBaxNeurotransmitter releaseOligomeric Bax Is a Component of the Putative Cytochrome c Release Channel MAC, Mitochondrial Apoptosis-induced Channel
Dejean LM, Martinez-Caballero S, Guo L, Hughes C, Teijido O, Ducret T, Ichas F, Korsmeyer SJ, Antonsson B, Jonas EA, Kinnally KW. Oligomeric Bax Is a Component of the Putative Cytochrome c Release Channel MAC, Mitochondrial Apoptosis-induced Channel. Molecular Biology Of The Cell 2005, 16: 2424-2432. PMID: 15772159, PMCID: PMC1087246, DOI: 10.1091/mbc.e04-12-1111.Peer-Reviewed Original ResearchConceptsMitochondrial apoptosis-induced channelOligomeric BaxBcl-2 family proteinsHeLa cellsBcl-2-overexpressing cellsCytochrome cChannel activityMAC activityIntrinsic apoptotic pathwayApoptotic cellsFamily proteinsIntrinsic apoptosisApoptotic pathwaySingle-channel behaviorMitochondriaBaxBax antibodiesMean conductanceBakUntreated cellsRelease channelProteinApoptosisCellsTranslocation