2022
The Role of Alpha-Tocotrienol during Development of Primary Hippocampal Neurons
Park H, Crowe-White K, Ciesla L, Bannerman S, Scott M, Davis A, Adhikari B, Burnett G, Broman K, Ferdous K, Lackey K, Lickznerski P, Jonas E. The Role of Alpha-Tocotrienol during Development of Primary Hippocampal Neurons. Current Developments In Nutrition 2022, 6: 800. PMCID: PMC9194400, DOI: 10.1093/cdn/nzac064.019.Peer-Reviewed Original ResearchPrimary hippocampal neuronsHippocampal neuronsPrimary rat hippocampal neuronsRat hippocampal neuronsAlpha-tocotrienolProtein levelsBcl-xLMitochondrial functionMitochondrial superoxide levelsNeuroprotective propertiesNeuronal ATPSholl analysisNeurobasal mediumNeurite complexityB cellsVitamin ENeuron developmentNeuronsBeneficial effectsSuperoxide levelsNeuronal growthConditioned mediaNeurite morphologyIntracellular ATPMitochondrial superoxideAlpha-tocotrienol enhances arborization of primary hippocampal neurons via upregulation of Bcl-xL
Park HA, Crowe-White KM, Ciesla L, Scott M, Bannerman S, Davis AU, Adhikari B, Burnett G, Broman K, Ferdous KA, Lackey KH, Licznerski P, Jonas EA. Alpha-tocotrienol enhances arborization of primary hippocampal neurons via upregulation of Bcl-xL. Nutrition Research 2022, 101: 31-42. PMID: 35366596, PMCID: PMC9081260, DOI: 10.1016/j.nutres.2022.02.007.Peer-Reviewed Original ResearchConceptsPrimary hippocampal neuronsControl neuronsHippocampal neuronsAlpha-tocotrienolBcl-xLVitamin E familyCerebral ischemiaNeuronal viabilityMature neuronsB cellsNeurite complexityNeuronal functionMitochondrial energy productionBrain developmentCentral mechanismsNeuronsBeneficial effectsOxidative stressBcl-xL upregulationProtein levelsNeurite branchingTreatmentE familyATP levelsNeurite outgrowth
2021
Vitamin E Improves Neurite Complexity by Enhancing Mitochondrial Function
Park H, Crowe-White K, Davis A, Bannerman S, Burnett G, Scott M, Broman K, Lackey K, Licznerski P, Jonas E. Vitamin E Improves Neurite Complexity by Enhancing Mitochondrial Function. Current Developments In Nutrition 2021, 5: 5140915. PMCID: PMC8181647, DOI: 10.1093/cdn/nzab049_028.Peer-Reviewed Original ResearchPost-translational cleavagePrimary hippocampal neuronsBcl-xLMitochondrial functionHippocampal neuronsNeurite complexityNeurite outgrowthOxidative stressProtein levelsPotential therapeutic roleProtein Bcl-xLVitamin E familyATP/ADP ratioNormal physiological developmentNovel functionBrain injuryTherapeutic roleReal-time PCRSholl analysisNew synapsesNeurobasal mediumATP productionNeurite injuryControl groupVitamin E
2020
Roles of Vitamin E in Energy Metabolism During Neurite Outgrowth
Stratton Z, Davis A, Jonas E, Crowe-White K, Park H. Roles of Vitamin E in Energy Metabolism During Neurite Outgrowth. Current Developments In Nutrition 2020, 4: nzaa057_051. PMCID: PMC7259054, DOI: 10.1093/cdn/nzaa057_051.Peer-Reviewed Original ResearchPrimary hippocampal neuronsBrain injuryHippocampal neuronsControl groupNeurite outgrowthNeuronal energy metabolismMaintenance of synapsesVitamin E familyEnergy metabolismNeurite lossNeurobasal mediumVitamin EAlpha-tocotrienolBrain developmentNeuronsOxidative stressNeurite growthBranched neuritesCentral targetMitochondrial inner membrane potentialE familyATP levelsTreatmentNeuritesInjury
2019
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 outgrowthVitamin E Prevents ΔN-Bcl-xL-associate Mitochondrial Dysfunction in Primary Hippocampal Neurons (P14-024-19)
Park H, Mnatsakanyan N, Broman K, Jonas E. Vitamin E Prevents ΔN-Bcl-xL-associate Mitochondrial Dysfunction in Primary Hippocampal Neurons (P14-024-19). Current Developments In Nutrition 2019, 3: nzz052.p14-024-19. PMCID: PMC6574370, DOI: 10.1093/cdn/nzz052.p14-024-19.Peer-Reviewed Original ResearchBcl-xL.Bcl-xLPrimary hippocampal neuronsMitochondrial dysfunctionRedox statusBcl-xL protein levelsCaspase-dependent cleavageAnti-apoptotic Bcl-xLMitochondrial redox statusPro-survival proteinsNeuronal deathMitochondrial oxidative stressHippocampal neuronsOxidative stressReactive oxygen species formationMitochondrial membraneCaspase activitySubsequent oxidative stressMitochondrial potentialMitochondrial functionNeuronal energy metabolismOxygen species formationDependent cleavageOxidative stress productionEnergy metabolism
2017
ΔN-Bcl-xL, a therapeutic target for neuroprotection
Park HA, Jonas EA. ΔN-Bcl-xL, a therapeutic target for neuroprotection. Neural Regeneration Research 2017, 12: 1791-1794. PMID: 29239317, PMCID: PMC5745825, DOI: 10.4103/1673-5374.219033.Peer-Reviewed Original ResearchΔN-BclNeuronal deathNeuronal viabilityMitochondrial dysfunctionPrimary hippocampal neuronsABT-737Excitotoxic injuryGlutamate toxicityHippocampal neuronsAnti-apoptotic proteinsTherapeutic targetB cellsPrimary neuronsNeuronal functionAcute productionNeuroprotectionAltered metabolismMitochondrial damageNeuronsCentral targetMitochondrial functionDysfunctionDeathMitochondrial anti-apoptotic proteinDependent effects
2015
Bcl-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 ResearchConceptsDeath 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 increaseNeurons
2014
Fluorescent Measurement of Synaptic Activity Using SynaptopHluorin in Isolated Hippocampal Neurons.
Li H, Park HA, Jonas EA. Fluorescent Measurement of Synaptic Activity Using SynaptopHluorin in Isolated Hippocampal Neurons. Bio-protocol 2014, 4 PMID: 27446978, PMCID: PMC4950945, DOI: 10.21769/bioprotoc.1304.Peer-Reviewed Original Research
2013
A 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 neuronsComplexes
2008
Bcl-xL induces Drp1-dependent synapse formation in cultured hippocampal neurons
Li H, Chen Y, Jones AF, Sanger RH, Collis LP, Flannery R, McNay EC, Yu T, Schwarzenbacher R, Bossy B, Bossy-Wetzel E, Bennett MV, Pypaert M, Hickman JA, Smith PJ, Hardwick JM, Jonas EA. Bcl-xL induces Drp1-dependent synapse formation in cultured hippocampal neurons. Proceedings Of The National Academy Of Sciences Of The United States Of America 2008, 105: 2169-2174. PMID: 18250306, PMCID: PMC2542873, DOI: 10.1073/pnas.0711647105.Peer-Reviewed Original ResearchConceptsBcl-xL proteinBcl-xLVesicle clustersDynamin-related protein 1Synapse formationOverexpression of Drp1Mitochondrial fission proteinSynaptic vesicle clustersMitochondrial localizationFission proteinsGTPase activityDrp1Cultured hippocampal neuronsMitochondrial functionHippocampal neuronsNeuronal synapsesRecombinant systemsABT-737Protein 1ProteinTissue lysatesAdult neuronsSpontaneous miniature synaptic currentsOverexpressionMiniature synaptic currents