2022
Alpha-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
Oxidative stress battles neuronal Bcl-xL in a fight to the death
Park HA, Broman K, Jonas EA. Oxidative stress battles neuronal Bcl-xL in a fight to the death. Neural Regeneration Research 2020, 16: 12-15. PMID: 32788441, PMCID: PMC7818872, DOI: 10.4103/1673-5374.286946.Peer-Reviewed Original ResearchBcl-xLMitochondrial membraneBcl-xL.BCL2 proteinFO ATP synthaseBcl-XL bindsPost-translational phosphorylationOxidative stressBcl-x geneSynaptic vesicle recyclingActivation of caspasesPro-survival proteinsMitochondrial ATP productionAnti-apoptotic roleUndergoes proteolytic cleavageMultiprotein complexesATP synthaseTranscription factorsVesicle recyclingBCL2 familyApoptotic signalingKey regulatorPhysiological processesAlters formationATP productionRoles 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
Vitamin 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