2020
Impaired hypocretin/orexin system alters responses to salient stimuli in obese male mice
Tan Y, Hang F, Liu ZW, Stoiljkovic M, Wu M, Tu Y, Han W, Lee AM, Kelley C, Hajos M, Lu L, de Lecea L, de Araujo I, Picciotto M, Horvath TL, Gao XB. Impaired hypocretin/orexin system alters responses to salient stimuli in obese male mice. Journal Of Clinical Investigation 2020, 130: 4985-4998. PMID: 32516139, PMCID: PMC7456212, DOI: 10.1172/jci130889.Peer-Reviewed Original ResearchConceptsHcrt cellsObese miceDiet-induced obese miceObese male miceExcessive energy intakeNeuropeptide hypocretin/orexinHypocretin/orexinHcrt neuronsMale miceHcrt systemClinical studiesCommon causeSynaptic transmissionObese animalsEnergy intakeAcute stressCognitive functionSalient stimuliAlters responsesExact mechanismMiceHomeostatic regulationNeuronal networksBehavioral changesNeurons
2016
CaMKII Phosphorylation of TARPγ-8 Is a Mediator of LTP and Learning and Memory
Park J, Chávez AE, Mineur YS, Morimoto-Tomita M, Lutzu S, Kim KS, Picciotto MR, Castillo PE, Tomita S. CaMKII Phosphorylation of TARPγ-8 Is a Mediator of LTP and Learning and Memory. Neuron 2016, 92: 75-83. PMID: 27667007, PMCID: PMC5059846, DOI: 10.1016/j.neuron.2016.09.002.Peer-Reviewed Original ResearchConceptsCaMKII phosphorylation siteCaMKII substratePhosphorylation sitesDependent protein kinase IIProtein kinase IIReceptor-dependent activationNMDA receptor-dependent activationProtein phosphorylationAMPAR-mediated transmissionKinase IICaMKII-dependent enhancementLong-term potentiationCaMKII phosphorylationCellular mechanismsPhosphorylationMolecular targetsAMPA receptorsCrucial mediatorSynaptic plasticityMemory formationSynaptic insertionEssential stepSynaptic transmissionActivity-dependent strengtheningBasal transmission
2012
Acetylcholine as a Neuromodulator: Cholinergic Signaling Shapes Nervous System Function and Behavior
Picciotto MR, Higley MJ, Mineur YS. Acetylcholine as a Neuromodulator: Cholinergic Signaling Shapes Nervous System Function and Behavior. Neuron 2012, 76: 116-129. PMID: 23040810, PMCID: PMC3466476, DOI: 10.1016/j.neuron.2012.08.036.Peer-Reviewed Original ResearchConceptsBrain areasAlters neuronal excitabilityAbility of acetylcholineNeuronal networksNervous system functionGroups of neuronsCholinergic modulationReceptor subtypesNeuronal excitabilityFood intakeSynaptic transmissionNeuronal populationsSynaptic plasticityAcetylcholineSynaptic propertiesDrug abuseSite of releaseNeuromodulatorsClassical roleOngoing stimulusNeuronsDiverse effectsSystem functionResponseCholinergic
2008
Regulation of Synaptic Efficacy in Hypocretin/Orexin-Containing Neurons by Melanin Concentrating Hormone in the Lateral Hypothalamus
Rao Y, Lu M, Ge F, Marsh DJ, Qian S, Wang AH, Picciotto MR, Gao XB. Regulation of Synaptic Efficacy in Hypocretin/Orexin-Containing Neurons by Melanin Concentrating Hormone in the Lateral Hypothalamus. Journal Of Neuroscience 2008, 28: 9101-9110. PMID: 18784290, PMCID: PMC2562258, DOI: 10.1523/jneurosci.1766-08.2008.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnalysis of VarianceAnimalsAnimals, NewbornBehavior, AnimalBenzazepinesBenzhydryl CompoundsCentral Nervous System StimulantsDopamine AgonistsDose-Response Relationship, DrugExcitatory Amino Acid AgentsGlutamic AcidGreen Fluorescent ProteinsHypothalamic Area, LateralHypothalamic HormonesIn Vitro TechniquesIntracellular Signaling Peptides and ProteinsMelaninsMiceMice, Inbred C57BLMice, TransgenicModafinilMotor ActivityNeuronsNeuropeptidesOrexinsPertussis ToxinPituitary HormonesReceptors, SomatostatinSynapsesSynaptic TransmissionTime FactorsConceptsHypocretin/orexin neuronsMCHR1 KO miceOrexin-containing neuronsLateral hypothalamusWild-type miceOrexin neuronsHypocretin/orexinKO miceMCH receptor 1Action potential firingEffects of modafinilMelanin-Concentrating HormoneHypocretin/orexin signalingGroups of neuronsMCH neuronsMiniature EPSCsWT miceHypocretin/Glutamatergic synapsesOrexin signalingSynaptic transmissionPertussis toxinBrain areasReciprocal innervationInhibitory influence
2003
Identification and Characterization of AplysiaAdducin, an Aplysia Cytoskeletal Protein Homologous to Mammalian Adducins: Increased Phosphorylation at a Protein Kinase C Consensus Site during Long-Term Synaptic Facilitation
Gruenbaum LM, Gilligan DM, Picciotto MR, Marinesco S, Carew TJ. Identification and Characterization of AplysiaAdducin, an Aplysia Cytoskeletal Protein Homologous to Mammalian Adducins: Increased Phosphorylation at a Protein Kinase C Consensus Site during Long-Term Synaptic Facilitation. Journal Of Neuroscience 2003, 23: 2675-2685. PMID: 12684453, PMCID: PMC6742073, DOI: 10.1523/jneurosci.23-07-02675.2003.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAplysiaCalmodulin-Binding ProteinsCloning, MolecularConsensus SequenceCytoskeletal ProteinsHumansKineticsMammalsMiceModels, BiologicalMolecular Sequence DataMotor NeuronsNervous SystemNeuronal PlasticityNeuronsNeurons, AfferentPhosphorylationProtein Kinase CProtein Structure, TertiarySequence Homology, Amino AcidSerotoninSynaptic TransmissionConceptsMammalian adducinsProtein kinase CProtein kinase C consensus sitesLong-term facilitationPKC phosphorylation sitesAplysia nervous systemProtein HomologousPhosphorylation sitesConsensus sitesMembrane cytoskeletonRegulatory componentsCandidate proteinsLong-term synaptic facilitationKinase CAdducinAplysia homologIncreased phosphorylationPhosphorylationNervous system extractsAplysia neuronsShort-term facilitationParticulate fractionSynaptic alterationsMotor neuronsSynaptic transmission