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