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
2013
Nicotinic α7 receptors enhance NMDA cognitive circuits in dorsolateral prefrontal cortex
Yang Y, Paspalas CD, Jin LE, Picciotto MR, Arnsten AF, Wang M. Nicotinic α7 receptors enhance NMDA cognitive circuits in dorsolateral prefrontal cortex. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 12078-12083. PMID: 23818597, PMCID: PMC3718126, DOI: 10.1073/pnas.1307849110.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAconitineAlpha7 Nicotinic Acetylcholine ReceptorAnalysis of VarianceAnimalsBridged Bicyclo Compounds, HeterocyclicCholinergic AgonistsCholinergic AntagonistsCognitionFemaleIontophoresisMacaca mulattaMaleMecamylamineMicroscopy, ImmunoelectronN-MethylaspartatePhenolsPiperidinesPrefrontal CortexQuinuclidinesReceptors, NicotinicSpatial BehaviorSynapsesVisual PerceptionConceptsDorsolateral prefrontal cortexΑ7 nAChRsPrefrontal cortexΑ7 nicotinic acetylcholine receptorGlutamatergic NMDA receptorsCognitive circuitsNicotinic α7 receptorsPrimary visual cortexNMDA receptor actionGenetic insultsNicotinic acetylcholine receptorsDlPFC circuitsPrimate dlPFCACh depletionNMDA actionNMDA receptorsPyramidal cellsΑ7 receptorsNeuronal firingNAChR blockadeAcetylcholine receptorsVisual cortexPersistent firingCognitive functionLow-dose stimulation
2003
Nicotine Induces Glutamate Release from Thalamocortical Terminals in Prefrontal Cortex
Lambe EK, Picciotto MR, Aghajanian GK. Nicotine Induces Glutamate Release from Thalamocortical Terminals in Prefrontal Cortex. Neuropsychopharmacology 2003, 28: 216-225. PMID: 12589374, DOI: 10.1038/sj.npp.1300032.Peer-Reviewed Original ResearchConceptsPrefrontal cortexSpontaneous excitatory postsynaptic currentsPrefrontal cortical activationEmotional cuesHigh-affinity nicotinic receptorsCognitive functionCortical activationThalamocortical terminalsGlutamate releaseBrain regionsLayer V pyramidal neuronsCognitionPrefrontal cortical slicesExcitatory postsynaptic currentsRelease of glutamateCortexStimulation of nAChRsNicotinic acetylcholine receptorsΑ4β2 nAChRsDifferent neurotransmittersCerebral cortexPyramidal neuronsCortical slicesPostsynaptic currentsΜ-opioid
2002
Nicotinic receptors in aging and dementia
Picciotto MR, Zoli M. Nicotinic receptors in aging and dementia. Developmental Neurobiology 2002, 53: 641-655. PMID: 12436427, DOI: 10.1002/neu.10102.Peer-Reviewed Original ResearchConceptsNicotinic agonistsCognitive functionNeuronal nicotinic acetylcholine receptorsDevelopment of dementiaNicotinic acetylcholine receptorsCholinergic markersCholinergic functionNeuronal degenerationNicotinic receptorsEpidemiological studiesNicotinic functionAnimal studiesNeurodegenerative illnessesAcetylcholine receptorsCognitive deficitsDementiaNeurodegenerative diseasesImpaired subjectsDistinct actionsPatientsAgonistsDiseaseNicotineReceptorsSmoking