2006
Non-synaptic dendritic spines in neocortex
Arellano J, Espinosa A, Fairén A, Yuste R, DeFelipe J. Non-synaptic dendritic spines in neocortex. Neuroscience 2006, 145: 464-469. PMID: 17240073, DOI: 10.1016/j.neuroscience.2006.12.015.Peer-Reviewed Original Research
2002
Spaceflight Induces Changes in the Synaptic Circuitry of the Postnatal Developing Neocortex
DeFelipe J, Arellano J, Merchán-Pérez A, González-Albo M, Walton K, Llinás R. Spaceflight Induces Changes in the Synaptic Circuitry of the Postnatal Developing Neocortex. Cerebral Cortex 2002, 12: 883-891. PMID: 12122037, DOI: 10.1093/cercor/12.8.883.Peer-Reviewed Original ResearchConceptsLayers II/IIISynaptic circuitrySynaptic densityFlight animalsLaminar-specific mannerLower synaptic densityDensity of synapsesDays of spaceflightAsymmetrical synapsesCortical synapsesLayer IVCortical synaptogenesisLong-term spaceflightControl animalsDeveloping NeocortexAdult patternCortical organizationNeocortical circuitrySynapsesGround control animalsMonth periodSignificant differencesFuture long-term spaceflightsAnimalsNeocortical representationsSynaptically Released Acetylcholine Evokes Ca2+Elevations in Astrocytes in Hippocampal Slices
Araque A, Martín E, Perea G, Arellano J, Buño W. Synaptically Released Acetylcholine Evokes Ca2+Elevations in Astrocytes in Hippocampal Slices. Journal Of Neuroscience 2002, 22: 2443-2450. PMID: 11923408, PMCID: PMC6758296, DOI: 10.1523/jneurosci.22-07-02443.2002.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAnimalsAstrocytesCalciumCholinergic FibersDiagonal Band of BrocaElectric StimulationGlutamic AcidHippocampusIn Vitro TechniquesIntracellular FluidNeurons, AfferentNeurotransmitter AgentsPatch-Clamp TechniquesRatsRats, WistarReceptors, GlutamateReceptors, MuscarinicSeptum of BrainSignal TransductionSynapsesConceptsAstrocytic responseIntracellular Ca2Stratum oriens/alveusHippocampal stratum oriensOriens/alveusMuscarinic cholinergic receptorsGlutamate receptor antagonistsGlutamate transporter activityWhole-cell membrane currentsDifferent brain areasLevels of astrocytesCholinergic receptorsHippocampal astrocytesMuscarinic receptorsCholinergic activityReceptor antagonistStratum oriensAcetylcholine actsCholinergic afferentsAxonal inputsHippocampal slicesDiagonal bandGlial cellsTransporter antagonistsBrain slicesMicrostructure of the neocortex: Comparative aspects
DeFelipe J, Alonso-Nanclares L, Arellano J. Microstructure of the neocortex: Comparative aspects. Brain Cell Biology 2002, 31: 299-316. PMID: 12815249, DOI: 10.1023/a:1024130211265.Peer-Reviewed Original ResearchConceptsDifferent cortical areasCortical areasExtrinsic afferent systemsNeocortex of humansInhibitory GABAergic interneuronsDensity of excitatoryNumber of synapsesSpecific cortical circuitsDistinct cortical areasSpiny cellsInhibitory circuitsGABAergic interneuronsInhibitory synapsesNeocortical neuronsNeuronal elementsPyramidal cellsAfferent systemsCortical circuitsNeocortical circuitsCortical tissueNumber of neuronsNeocortexNeuronsExcitatoryBasic microcircuit
2001
Barrel Pattern Formation Requires Serotonin Uptake by Thalamocortical Afferents, and Not Vesicular Monoamine Release
Persico A, Mengual E, Moessner R, Hall S, Revay R, Sora I, Arellano J, DeFelipe J, Giménez-Amaya J, Conciatori M, Marino R, Baldi A, Cabib S, Pascucci T, Uhl G, Murphy D, Lesch K, Keller F. Barrel Pattern Formation Requires Serotonin Uptake by Thalamocortical Afferents, and Not Vesicular Monoamine Release. Journal Of Neuroscience 2001, 21: 6862-6873. PMID: 11517274, PMCID: PMC6763105, DOI: 10.1523/jneurosci.21-17-06862.2001.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsBiogenic MonoaminesCarrier ProteinsExtracellular SpaceFenclonineGABA Plasma Membrane Transport ProteinsImmunohistochemistryMembrane GlycoproteinsMembrane ProteinsMembrane Transport ProteinsMiceMice, Inbred C57BLMice, KnockoutNerve Tissue ProteinsNeurons, AfferentNeuropeptidesOrganic Anion TransportersSerotoninSerotonin AntagonistsSerotonin Plasma Membrane Transport ProteinsSomatosensory CortexSynapsesSynaptic VesiclesThalamusVesicular Biogenic Amine Transport ProteinsVesicular Monoamine Transport ProteinsVibrissaeConceptsVMAT2-KO miceDensity of synapsesKnock-out (KO) miceVesicular monoamine transporterThalamocortical afferentsCerebral cortexSynaptic contactsThalamocortical neuronsKO miceLayer IVBarrel cortexMonoamine releaseNeonatal rodentsBarrel fieldPostnatal growthVesicular releaseSerotonin transporterMonoamine transportersCortexPlasma membrane serotonin transporterSynaptic vesiclesQuantitative electron microscopyMiceComplete absenceRelease