2024
“Dark” Pathways of Protein Transnitrosylation Injure Synapses in Alzheimer’s Disease: Mechanism and Potential Treatment
LIPTON S. “Dark” Pathways of Protein Transnitrosylation Injure Synapses in Alzheimer’s Disease: Mechanism and Potential Treatment. 2024, pl. DOI: 10.14869/toxpt.51.1.0_pl.Peer-Reviewed Original ResearchAlzheimer's diseaseDisruption of protein functionUbiquitin-protein hydrolaseS-nitrosylationS-nitrosylation reactionLoss of synapsesCorrelated to cognitive declineGuanosine triphosphataseMitochondrial fragmentationAD brainProtein functionAmyloid-betaAggregated proteinsProtein hydrolaseSynapse lossSynaptic lossBioenergetic compromiseSynaptic damageTransnitrosylation reactionsProteinUCH-L1Environmental factorsEnzymeAlzheimerCascade
2023
Aberrant protein S-nitrosylation contributes to hyperexcitability-induced synaptic damage in Alzheimer’s disease: Mechanistic insights and potential therapies
Ghatak S, Nakamura T, Lipton S. Aberrant protein S-nitrosylation contributes to hyperexcitability-induced synaptic damage in Alzheimer’s disease: Mechanistic insights and potential therapies. Frontiers In Neural Circuits 2023, 17: 1099467. PMID: 36817649, PMCID: PMC9932935, DOI: 10.3389/fncir.2023.1099467.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseSynaptic damageReactive oxygen speciesS-nitrosylation contributesNeuronal hyperactivitySynaptic lossSynapse lossSynaptic degenerationCommon causePotential therapyAD modelCognitive declineHyperexcitabilityDiseaseSingle neuronsActivity contributesMolecular changesProtein S-nitrosylationDeleterious effectsNeural network functionS-nitrosylationOxygen speciesEarly signaturesPatientsTherapy
2022
Mechanistic insight into female predominance in Alzheimer’s disease based on aberrant protein S-nitrosylation of C3
Yang H, Oh C, Amal H, Wishnok J, Lewis S, Schahrer E, Trudler D, Nakamura T, Tannenbaum S, Lipton S. Mechanistic insight into female predominance in Alzheimer’s disease based on aberrant protein S-nitrosylation of C3. Science Advances 2022, 8: eade0764. PMID: 36516243, PMCID: PMC9750152, DOI: 10.1126/sciadv.ade0764.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseAD brainPostmortem Alzheimer's diseaseComplement component 3Sex-dependent mannerConsequent cognitive declineSynaptic phagocytosisΒ-estradiol levelsFemale predominanceAberrant protein S-nitrosylationSynaptic damageAD pathogenesisSNO proteinsCognitive declineProtein SDiseaseRobust alterationsBrainComponent 3Protein S-nitrosylationHuman brainS-nitrosylationS-nitrosoproteomePatientsPathogenesisInhibition of autophagic flux by S-nitrosylation of SQSTM1/p62 promotes neuronal secretion and cell-to-cell transmission of SNCA/α-synuclein in Parkinson disease and Lewy body dementia
Oh C, Nakamura T, Lipton S. Inhibition of autophagic flux by S-nitrosylation of SQSTM1/p62 promotes neuronal secretion and cell-to-cell transmission of SNCA/α-synuclein in Parkinson disease and Lewy body dementia. Autophagy Reports 2022, 1: 223-225. PMID: 38098743, PMCID: PMC10721282, DOI: 10.1080/27694127.2022.2076770.Peer-Reviewed Original ResearchLewy body dementiaParkinson's diseaseSNCA/α-synucleinAutophagic fluxNitric oxideΑ-synucleinHuman postmortem brainS-nitrosylationNeuronal damageAberrant protein S-nitrosylationSynaptic damageΑ-synucleinopathiesPostmortem brainsPathogenic eventsDiseased brainExcessive reactive oxygenSQSTM1/p62Neurodegenerative disordersInhibits autophagic fluxNeuronal secretionCell-based modelCell transmissionProtein S-nitrosylationDementiaDisease
2021
TCA cycle metabolic compromise due to an aberrant S-nitrosoproteome in HIV-associated neurocognitive disorder with methamphetamine use
Doulias P, Nakamura T, Scott H, McKercher S, Sultan A, Deal A, Albertolle M, Ischiropoulos H, Lipton S. TCA cycle metabolic compromise due to an aberrant S-nitrosoproteome in HIV-associated neurocognitive disorder with methamphetamine use. Journal Of NeuroVirology 2021, 27: 367-378. PMID: 33876414, PMCID: PMC8477648, DOI: 10.1007/s13365-021-00970-4.Peer-Reviewed Original ResearchConceptsNeurocognitive disordersMeth usePathogenesis of HIVHuman postmortem brainAberrant protein S-nitrosylationCNS pathologyControl brainsSynaptic damageS-nitrosylationHIV-1Metabolic compromisePostmortem brainsMethamphetamine useNitric oxideDrug abuseRedox stressNitrosative stressBrainHIVProtein S-nitrosylationDisordersS-nitrosoproteomeSystematic inhibitionTCA cycle enzymesPathogenesisα-Synuclein Oligomers Induce Glutamate Release from Astrocytes and Excessive Extrasynaptic NMDAR Activity in Neurons, Thus Contributing to Synapse Loss
Trudler D, Sanz-Blasco S, Eisele Y, Ghatak S, Bodhinathan K, Akhtar M, Lynch W, Piña-Crespo J, Talantova M, Kelly J, Lipton S. α-Synuclein Oligomers Induce Glutamate Release from Astrocytes and Excessive Extrasynaptic NMDAR Activity in Neurons, Thus Contributing to Synapse Loss. Journal Of Neuroscience 2021, 41: 2264-2273. PMID: 33483428, PMCID: PMC8018774, DOI: 10.1523/jneurosci.1871-20.2020.Peer-Reviewed Original ResearchConceptsLewy body dementiaExtrasynaptic NMDA receptorsSynaptic damageParkinson's diseaseNeuronal lossLewy bodiesNMDAR activityDisease progressionΑSyn oligomersPotential disease-modifying interventionsNeurodegenerative diseasesΑ-synucleinExtrasynaptic NMDAR activitySynaptic NMDAR activityDisease-modifying interventionsPatch-clamp recordingsMajor neuropathological characteristicsSynaptic lossAstrocytic glutamateGlutamate releaseSynapse lossSpine lossExtrasynaptic NMDARsFemale miceHippocampal slices
2012
Redox control of protein misfolding and mitochondrial fragmentation via s-nitrosylation: Implications for synaptic damage in neurodegenerative diseases
Lipton⁎ S. Redox control of protein misfolding and mitochondrial fragmentation via s-nitrosylation: Implications for synaptic damage in neurodegenerative diseases. Free Radical Biology And Medicine 2012, 53: s29. DOI: 10.1016/j.freeradbiomed.2012.08.133.Peer-Reviewed Original Research
2011
Redox Regulation of Protein Misfolding, Synaptic Damage, and Neuronal Loss in Neurodegenerative Diseases
Nakamura T, Lipton S. Redox Regulation of Protein Misfolding, Synaptic Damage, and Neuronal Loss in Neurodegenerative Diseases. 2011, 65-99. DOI: 10.1002/9781118063903.ch2.Peer-Reviewed Original ResearchRedox modulation by S-nitrosylation contributes to protein misfolding, mitochondrial dynamics, and neuronal synaptic damage in neurodegenerative diseases
Nakamura T, Lipton S. Redox modulation by S-nitrosylation contributes to protein misfolding, mitochondrial dynamics, and neuronal synaptic damage in neurodegenerative diseases. Cell Death & Differentiation 2011, 18: 1478-1486. PMID: 21597461, PMCID: PMC3178424, DOI: 10.1038/cdd.2011.65.Peer-Reviewed Original ResearchConceptsS-nitrosylationProtein misfoldingCritical protein thiolsDynamin-related protein 1Protein disulfide isomeraseS-nitrosylation contributesNitrosative stressPosttranslational modificationsMitochondrial dynamicsNeuronal lossSynaptic damageDownstream pathwaysRedox modulationProtein thiolsNormal neuronal signalingMitochondrial dysfunctionN-methyl-D-aspartate (NMDA) receptor activationNeuronal signalingProtein 1Eventual neuronal lossNeuronal cell damageNeuronal cell injuryMisfoldingNeuronal NO synthaseNeurodegenerative diseasesRole of the Mitochondrial Fission Protein Drp1 in Synaptic Damage and Neurodegeneration
Nakamura T, Cho D, Lipton S. Role of the Mitochondrial Fission Protein Drp1 in Synaptic Damage and Neurodegeneration. 2011, 215-234. DOI: 10.1007/978-94-007-1291-1_8.Peer-Reviewed Original ResearchMitochondrial fission protein Drp1Fission protein Drp1Mitochondrial fissionProtein Drp1Dynamin-related protein 1Abnormal mitochondrial morphologyMitochondrial fusionDrp1 activityPosttranslational modificationsMitochondrial morphologyMitochondrial structureCell deathDrp1Protein 1Recent insightsNeurodegenerative diseasesSynaptic damageNeuronal cell injuryNeurodegenerative conditionsFissionMitofusinsDynaminGTPasesFusionOPA1