2015
STEP61 is a substrate of the E3 ligase parkin and is upregulated in Parkinson’s disease
Kurup PK, Xu J, Videira RA, Ononenyi C, Baltazar G, Lombroso PJ, Nairn AC. STEP61 is a substrate of the E3 ligase parkin and is upregulated in Parkinson’s disease. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 1202-1207. PMID: 25583483, PMCID: PMC4313846, DOI: 10.1073/pnas.1417423112.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCorpus StriatumCyclic AMP Response Element-Binding ProteinDown-RegulationGene Expression Regulation, EnzymologicHEK293 CellsHumansMAP Kinase Signaling SystemMiceMice, KnockoutMitogen-Activated Protein Kinase 3MPTP PoisoningProtein Tyrosine Phosphatases, Non-ReceptorRatsRats, Sprague-DawleyUbiquitinationUbiquitin-Protein LigasesUp-RegulationConceptsE3 ubiquitin ligase ParkinSubstantia nigra pars compactaPathophysiology of PDProtein tyrosine phosphataseUbiquitin ligase ParkinSporadic Parkinson's diseaseE3 ligase ParkinRegulation of ParkinParkinson's diseaseTyrosine phosphataseParkin mutantsE3 ligaseProteasome systemDopaminergic neuronsDownstream targetsAutosomal recessive juvenile parkinsonismNovel substrateSTEP61ParkinCellular modelSTEP61 levelsSNc dopaminergic neuronsProtein levelsFunction contributesERK1/2
2014
Alterations in STriatal‐Enriched protein tyrosine Phosphatase expression, activation, and downstream signaling in early and late stages of the YAC128 Huntington's disease mouse model
Gladding CM, Fan J, Zhang LY, Wang L, Xu J, Li EH, Lombroso PJ, Raymond LA. Alterations in STriatal‐Enriched protein tyrosine Phosphatase expression, activation, and downstream signaling in early and late stages of the YAC128 Huntington's disease mouse model. Journal Of Neurochemistry 2014, 130: 145-159. PMID: 24588402, PMCID: PMC4065618, DOI: 10.1111/jnc.12700.Peer-Reviewed Original ResearchConceptsDisease mouse modelYAC128 Huntington's disease mouse modelHuntington's disease mouse modelYAC128 miceCalpain-mediated cleavageMitogen-activated protein kinaseMouse modelCalpain inhibitionProtein tyrosine Phosphatase 61Wild-type cortical neuronsP38 phosphorylationNMDA receptor traffickingSTEP61 levelsSynaptic dysfunctionNMDAR localizationP38 mitogen-activated protein kinaseStriatal apoptosisCortical neuronsExtracellular signal-regulated proteinApoptotic signalingMutant huntingtin proteinStriatal tissueStriatal neurodegenerationTransgenic miceCalcium homeostasis