2022
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
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-nitrosylationDementiaDiseaseS-Nitrosylation of p62 Inhibits Autophagic Flux to Promote α-Synuclein Secretion and Spread in Parkinson's Disease and Lewy Body Dementia
Oh C, Dolatabadi N, Cieplak P, Diaz-Meco M, Moscat J, Nolan J, Nakamura T, Lipton S. S-Nitrosylation of p62 Inhibits Autophagic Flux to Promote α-Synuclein Secretion and Spread in Parkinson's Disease and Lewy Body Dementia. Journal Of Neuroscience 2022, 42: 3011-3024. PMID: 35169022, PMCID: PMC8985870, DOI: 10.1523/jneurosci.1508-21.2022.Peer-Reviewed Original ResearchConceptsLewy body dementiaParkinson's diseaseAutophagic fluxInhibits autophagic fluxΑ-synucleinPluripotent stem cell-derived neuronsStem cell-derived neuronsΑ-synuclein secretionS-nitrosylationCell-derived neuronsHuman postmortem brainProtein S-nitrosylationΑ-synuclein aggregationPostmortem brainsConsequent secretionPathologic pathwaysNervous systemAdaptor protein p62Autophagic inhibitionDysfunctional autophagyNeurodegenerative disordersDiseaseIndividual neuronsDementiaSecretion
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 enzymesPathogenesis