2008
Cortical Adenylyl Cyclase 1 Is Required for Thalamocortical Synapse Maturation and Aspects of Layer IV Barrel Development
Iwasato T, Inan M, Kanki H, Erzurumlu RS, Itohara S, Crair MC. Cortical Adenylyl Cyclase 1 Is Required for Thalamocortical Synapse Maturation and Aspects of Layer IV Barrel Development. Journal Of Neuroscience 2008, 28: 5931-5943. PMID: 18524897, PMCID: PMC2733830, DOI: 10.1523/jneurosci.0815-08.2008.Peer-Reviewed Original ResearchConceptsTC synapsesLayer IV barrel neuronsCritical period plasticityPrimary somatosensory cortexFormation of barrelsAdenylyl cyclase 1Knock-out (KO) miceType 1 adenylyl cyclaseDendritic asymmetryBarrel neuronsThalamocortical synapsesActivity-dependent mannerTrigeminal pathwayFormation of cAMPSomatosensory cortexBarrel cortexBarrel developmentSynapse maturationPresynaptic maturationBarrel hollowsTC axonsSubcortical regionsFunctional maturationMutant miceBRL mice
2007
Increased Thalamocortical Synaptic Response and Decreased Layer IV Innervation in GAP-43 Knockout Mice
Albright MJ, Weston MC, Inan M, Rosenmund C, Crair MC. Increased Thalamocortical Synaptic Response and Decreased Layer IV Innervation in GAP-43 Knockout Mice. Journal Of Neurophysiology 2007, 98: 1610-1625. PMID: 17581849, DOI: 10.1152/jn.00219.2007.Peer-Reviewed Original ResearchConceptsExcitatory postsynaptic potentialsField excitatory postsynaptic potentialsGAP-43Thalamocortical synapsesSynaptic responsesCompetitive glutamate receptor antagonistN-methyl-D-aspartate receptorsAcute brain slice preparationBarrel map formationThalamocortical synaptic responsesWild-type littermate controlsGlutamate receptor antagonistsBrain slice preparationGrowth-associated proteinThalamic innervationThalamic neuronsBarrel mapReceptor antagonistIsoxazolepropionate (AMPA) receptorsPostsynaptic potentialsLayer IVSlice preparationBarrel cortexSynaptic transmissionAMPAR functionDevelopment of Cortical Maps: Perspectives From the Barrel Cortex
Inan M, Crair MC. Development of Cortical Maps: Perspectives From the Barrel Cortex. The Neuroscientist 2007, 13: 49-61. PMID: 17229975, DOI: 10.1177/1073858406296257.Peer-Reviewed Original ResearchConceptsBarrel mapThalamic axonsBarrel cortexBarrel map formationActivity-dependent cuesMolecular cuesSensory afferentsMotor cortexPrimary somatosensoryThalamocortical axonsSomatosensory cortexCortical neuronsSynapse maturationNeuronal activityFunctional maturationVentricular cellsCortical mapsCortexAxonsNeocortical developmentWiring principlesCortical patterningMammalian neocortexNeocortexNeurons
2006
Barrel Map Development Relies on Protein Kinase A Regulatory Subunit IIβ-Mediated cAMP Signaling
Inan M, Lu HC, Albright MJ, She WC, Crair MC. Barrel Map Development Relies on Protein Kinase A Regulatory Subunit IIβ-Mediated cAMP Signaling. Journal Of Neuroscience 2006, 26: 4338-4349. PMID: 16624954, PMCID: PMC6674004, DOI: 10.1523/jneurosci.3745-05.2006.Peer-Reviewed Original ResearchConceptsBarrel map formationLayer IV neuronsActivity-dependent developmentAMPA receptor functionCAMP/PKA-dependent pathwayLong-term potentiationThalamocortical synapsesThalamocortical afferentsTC synapsesThalamocortical synapseBarrel cortexPKA targetsBarrel patternCortical developmentPKA-dependent pathwayBrain circuitryPostsynaptic processesSynapse formationReceptor functionCAMP-dependent protein kinaseHebbian mechanismsDevelopmental increaseMiceSynapsesActivity-dependent models
2001
Barrel Cortex Critical Period Plasticity Is Independent of Changes in NMDA Receptor Subunit Composition
Lu H, Gonzalez E, Crair M. Barrel Cortex Critical Period Plasticity Is Independent of Changes in NMDA Receptor Subunit Composition. Neuron 2001, 32: 619-634. PMID: 11719203, DOI: 10.1016/s0896-6273(01)00501-3.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrain MappingCritical Period, PsychologicalExcitatory Amino Acid AntagonistsExcitatory Postsynaptic PotentialsGene Expression Regulation, DevelopmentalLong-Term PotentiationMiceMice, Inbred C57BLMice, KnockoutNeuronal PlasticityPiperidinesQuinoxalinesReceptors, AMPAReceptors, N-Methyl-D-AspartateSomatosensory CortexSynapsesThalamusConceptsNMDA receptor subunit compositionReceptor subunit compositionSubunit compositionMouse somatosensory barrel cortexCritical periodNR2A knockout miceCritical period plasticitySomatosensory barrel cortexNMDAR subunit compositionCurrent kineticsAfferent innervationBarrel cortexNR2B subunitKnockout miceSynaptic plasticityNR2A subunitPlasticity windowSubunits
1999
Altered spatial patterns of functional thalamocortical connections in the barrel cortex after neonatal infraorbital nerve cut revealed by optical recording
Higashi S, Crair MC, Kurotani T, Inokawa H, Toyama K. Altered spatial patterns of functional thalamocortical connections in the barrel cortex after neonatal infraorbital nerve cut revealed by optical recording. Neuroscience 1999, 91: 439-452. PMID: 10366001, DOI: 10.1016/s0306-4522(98)00666-6.Peer-Reviewed Original ResearchConceptsInfraorbital nerve cutNerve cutNormal ratsLayer IVSomatosensory cortexDextran amine labelingThalamocortical slice preparationPostnatal day 7Cytochrome oxidase stainingThalamocortical transmissionThalamocortical connectionsDextran amineThalamocortical axonsThalamic stimulationBarrel cortexFunctional synapsesSlice preparationAxon terminalsVoltage-sensitive dyeTerminal arborsAltered spatial patternDay 7P5-P6RatsBarrel formation