Alpha-Tocotrienol Prevents Oxidative Stress-Mediated Post-Translational Cleavage of Bcl-xL in Primary Hippocampal Neurons
Park HA, Mnatsakanyan N, Broman K, Davis AU, May J, Licznerski P, Crowe-White KM, Lackey KH, Jonas EA. Alpha-Tocotrienol Prevents Oxidative Stress-Mediated Post-Translational Cleavage of Bcl-xL in Primary Hippocampal Neurons. International Journal Of Molecular Sciences 2019, 21: 220. PMID: 31905614, PMCID: PMC6982044, DOI: 10.3390/ijms21010220.Peer-Reviewed Original ResearchConceptsPrimary hippocampal neuronsHippocampal neuronsReactive oxygen speciesMitochondrial dysfunctionBcl-xLMitochondrial membrane potentialMitochondrial functionProduction of ROSExcitotoxic conditionsGlutamate challengeNeuroprotective propertiesMembrane potentialNeuronal deathExcitotoxic stimulationBcl-xL levelsNeuronal survivalIntracellular ATP depletionMitochondrial reactive oxygen speciesB cellsImportant causeDysfunctionNeuronsROS productionATP depletionNeurite outgrowthA Bcl-xL–Drp1 complex regulates synaptic vesicle membrane dynamics during endocytosis
Li H, Alavian KN, Lazrove E, Mehta N, Jones A, Zhang P, Licznerski P, Graham M, Uo T, Guo J, Rahner C, Duman RS, Morrison RS, Jonas EA. A Bcl-xL–Drp1 complex regulates synaptic vesicle membrane dynamics during endocytosis. Nature Cell Biology 2013, 15: 773-785. PMID: 23792689, PMCID: PMC3725990, DOI: 10.1038/ncb2791.Peer-Reviewed Original ResearchConceptsBcl-xLVesicle retrievalProtein-protein interactionsClathrin-coated pitsProtein Bcl-xLCalmodulin-dependent mannerRecruitment of vesiclesNeurotransmitter releaseDepletion of Drp1GTPase Drp1Vesicle endocytosisEndocytic vesiclesMembrane dynamicsPlasma membraneClathrin complexMutagenesis studiesPresynaptic plasticityMitochondrial ATPATP availabilityReserve poolDrp1EndocytosisVesiclesHippocampal neuronsComplexesBcl-xL Is Necessary for Neurite Outgrowth in Hippocampal Neurons
Park HA, Licznerski P, Alavian KN, Shanabrough M, Jonas EA. Bcl-xL Is Necessary for Neurite Outgrowth in Hippocampal Neurons. Antioxidants & Redox Signaling 2015, 22: 93-108. PMID: 24787232, PMCID: PMC4281845, DOI: 10.1089/ars.2013.5570.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBcl-X ProteinCells, CulturedFemaleHippocampusImmunoblottingIn Situ Nick-End LabelingNeuritesNeuronsPregnancyRatsConceptsDeath receptor 6Hippocampal neuronsNeurite outgrowthExacerbation of hypoxiaBcl-xLNeuronal outgrowthNeuronal process outgrowthNeuronal injuryNeurodegenerative stimuliVivo ischemiaHypoxic injuryNeuronal survivalBrain injuryImpairs neurite outgrowthHypoxic controlsSynapse numberAxonal pruningNeurite damageB cellsReceptor 6Synaptic plasticityDR6 expressionSynapse formationEarly increaseNeuronsActin/α-Actinin-Dependent Transport of AMPA Receptors in Dendritic Spines: Role of the PDZ-LIM Protein RIL
Schulz TW, Nakagawa T, Licznerski P, Pawlak V, Kolleker A, Rozov A, Kim J, Dittgen T, Köhr G, Sheng M, Seeburg PH, Osten P. Actin/α-Actinin-Dependent Transport of AMPA Receptors in Dendritic Spines: Role of the PDZ-LIM Protein RIL. Journal Of Neuroscience 2004, 24: 8584-8594. PMID: 15456832, PMCID: PMC6729893, DOI: 10.1523/jneurosci.2100-04.2004.Peer-Reviewed Original ResearchConceptsAMPA receptorsDendritic spinesLIM domain-containing proteinsDomain-containing proteinsActin-dependent mannerCultured neuronsPostsynaptic density fractionSynaptic AMPA receptorsLIM domainsPDZ domainProtein complexesActin cytoskeletonC-terminal peptideNovel regulationHeterologous cellsReceptor transportRILsExcitatory transmissionForebrain synaptosomesMiniature EPSCsSynaptic accumulationRat forebrainSynaptic sitesSynaptic surfaceReceptorsThe transcription factor orthodenticle homeobox 2 influences axonal projections and vulnerability of midbrain dopaminergic neurons
Chung CY, Licznerski P, Alavian KN, Simeone A, Lin Z, Martin E, Vance J, Isacson O. The transcription factor orthodenticle homeobox 2 influences axonal projections and vulnerability of midbrain dopaminergic neurons. Brain 2010, 133: 2022-2031. PMID: 20573704, PMCID: PMC2892944, DOI: 10.1093/brain/awq142.Peer-Reviewed Original ResearchConceptsMidbrain dopaminergic neuronsVentral mesencephalic culturesTranscription factor orthodenticle homeobox 2Orthodenticle homeobox 2Dopaminergic neuronsMesencephalic culturesShort hairpin RNAHomeobox 2A10 dopaminergic neuronsCyclase-activating peptideHairpin RNAConditional knockout miceVentral mesencephalonNeuronal vulnerabilityDopaminergic projectionsAxonal projectionsParkinson's diseaseAdult miceKnockout miceMN9D cellsNeuropilin-2Elevated geneNeuronsNeuropilin-1Human midbrain