2017
Synaptic NMDA Receptor Activation Induces Ubiquitination and Degradation of STEP61
Xu J, Kurup P, Nairn AC, Lombroso PJ. Synaptic NMDA Receptor Activation Induces Ubiquitination and Degradation of STEP61. Molecular Neurobiology 2017, 55: 3096-3111. PMID: 28466270, PMCID: PMC5668205, DOI: 10.1007/s12035-017-0555-x.Peer-Reviewed Original ResearchConceptsMK-801-treated miceProtein tyrosine Phosphatase 61GluN1/GluN2B receptorsNMDA receptor signalingD-serine treatmentMouse frontal cortexNMDAR signalingSynaptic NMDARsCortical samplesHuman schizophreniaTherapeutic effectFrontal cortexGluN2B receptorsSynaptic plasticityNeurological disordersCognitive deficitsReceptor signalingD-serineSTEP61SchizophreniaBicucullineMiceProteasomal degradationSurface localizationSignaling
2015
Down‐regulation of BDNF in cell and animal models increases striatal‐enriched protein tyrosine phosphatase 61 (STEP61) levels
Xu J, Kurup P, Azkona G, Baguley TD, Saavedra A, Nairn AC, Ellman JA, Pérez-Navarro E, Lombroso PJ. Down‐regulation of BDNF in cell and animal models increases striatal‐enriched protein tyrosine phosphatase 61 (STEP61) levels. Journal Of Neurochemistry 2015, 136: 285-294. PMID: 26316048, PMCID: PMC4769989, DOI: 10.1111/jnc.13295.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzothiepinsBrainBrain-Derived Neurotrophic FactorCells, CulturedCysteine Proteinase InhibitorsDown-RegulationEmbryo, MammalianFemaleFlavonesLeupeptinsMaleMiceMice, Inbred C57BLMice, TransgenicMotor ActivityNeuronsProtein Tyrosine PhosphatasesRatsRats, Sprague-DawleyRNA, Small InterferingTime FactorsConceptsBrain-derived neurotrophic factorNormal cognitive functionSynaptic strengtheningStriatal-enriched protein tyrosine phosphataseBDNF expressionBDNF knockdownCortical culturesRegulation of BDNFN-methyl-D-aspartate receptor functionNeuropsychiatric disordersCognitive functionBetter therapeutic strategiesMouse frontal cortexNMDA receptor subunit GluN2BSTEP61 levelsHyperlocomotor activityMotor abnormalitiesNeurotrophic factorNMDA receptorsFrontal cortexKinase B signalingTherapeutic strategiesAgonists resultsAnimal modelsCultured neurons