2023
Brn3b regulates the formation of fear-related midbrain circuits and defensive responses to visual threat
Lee H, Weinberg-Wolf H, Lee H, Lee T, Conte J, Godoy-Parejo C, Demb J, Rudenko A, Kim IJ. Brn3b regulates the formation of fear-related midbrain circuits and defensive responses to visual threat. PLOS Biology 2023, 21: e3002386. PMID: 37983249, PMCID: PMC10695396, DOI: 10.1371/journal.pbio.3002386.Peer-Reviewed Original ResearchConceptsTranscription factor Brn3bLoss of neuronsVisual threatLateral posterior nucleusMutant mice displayDefensive responsesDefensive freezing responsesPosterior nucleusTachykinin 2Mice displayMidbrain circuitVisual circuitsNeural circuitryBrn3bSpecific genetic componentsFreezing responseFear-associated behaviorsSocial isolationTac2Behavioral phenotypesMolecular mechanismsFunctional organizationGenetic componentResponseSimilar mechanism
2021
Photoreceptive Ganglion Cells Drive Circuits for Local Inhibition in the Mouse Retina
Pottackal J, Walsh HL, Rahmani P, Zhang K, Justice NJ, Demb JB. Photoreceptive Ganglion Cells Drive Circuits for Local Inhibition in the Mouse Retina. Journal Of Neuroscience 2021, 41: 1489-1504. PMID: 33397711, PMCID: PMC7896016, DOI: 10.1523/jneurosci.0674-20.2020.Peer-Reviewed Original ResearchMeSH KeywordsAmacrine CellsAnimalsCorticotropin-Releasing HormoneElectrophysiological PhenomenaExcitatory Postsynaptic PotentialsFemaleGamma-Aminobutyric AcidGap JunctionsMaleMiceMice, Inbred C57BLNeural InhibitionNeuronsOptogeneticsPhotoreceptor Cells, VertebrateRetinaRetinal Cone Photoreceptor CellsRetinal Ganglion CellsRetinal Rod Photoreceptor CellsRod OpsinsSynapsesConceptsGap junction-mediated electrical synapsesAmacrine cellsElectrical synapsesIpRGC activityGanglion cellsRetinal interneuronsRetinal circuitsPhotosensitive retinal ganglion cellsGABAergic amacrine cellsRetinal ganglion cellsWhole-cell recordingsSpecific RGC typesAbsence of rodsIpRGC typesRGC typesPharmacological blockadeRetinal neuronsMelanopsin expressionMature retinaMouse retinaSynaptic circuitsNeuronal circuitsInterneuronsOptogenetic stimulationLocal inhibition
2016
Mind the Gap Junctions: The Importance of Electrical Synapses to Visual Processing
Demb JB, Singer JH. Mind the Gap Junctions: The Importance of Electrical Synapses to Visual Processing. Neuron 2016, 90: 207-209. PMID: 27100191, PMCID: PMC5751935, DOI: 10.1016/j.neuron.2016.04.007.Peer-Reviewed Original ResearchMolecular features distinguish ten neuronal types in the mouse superficial superior colliculus
Byun H, Kwon S, Ahn HJ, Liu H, Forrest D, Demb JB, Kim IJ. Molecular features distinguish ten neuronal types in the mouse superficial superior colliculus. The Journal Of Comparative Neurology 2016, 524: 2300-2321. PMID: 26713509, PMCID: PMC4892959, DOI: 10.1002/cne.23952.Peer-Reviewed Original ResearchConceptsSpecific cell typesCell typesMolecular markersEts variant gene 1Distinct expression patternsSuperior colliculusMouse SSCsTranscription factorsCadherin-7Retinoid-related orphan receptor βContactin-3Cell adhesion moleculeProtein 3BNeuronal typesSSC neuronsExpression patternsGene expressionMolecular mechanismsProtocadherin 20Gene 1Binding proteinCadherin-6Netrin-G2Calcium binding proteinMolecular families
2013
An optimized fluorescent probe for visualizing glutamate neurotransmission
Marvin JS, Borghuis BG, Tian L, Cichon J, Harnett MT, Akerboom J, Gordus A, Renninger SL, Chen TW, Bargmann CI, Orger MB, Schreiter ER, Demb JB, Gan WB, Hires SA, Looger LL. An optimized fluorescent probe for visualizing glutamate neurotransmission. Nature Methods 2013, 10: 162-170. PMID: 23314171, PMCID: PMC4469972, DOI: 10.1038/nmeth.2333.Peer-Reviewed Original ResearchAnimalsAstrocytesBiosensing TechniquesCaenorhabditis elegansCalcium SignalingEscherichia coli ProteinsExcitatory Postsynaptic PotentialsFluorescent DyesGlutamic AcidGreen Fluorescent ProteinsHippocampusMiceMotor CortexNeuronsPhotic StimulationPyramidal CellsRecombinant Fusion ProteinsRetinaSignal-To-Noise RatioSynaptic TransmissionZebrafishTranssynaptic Tracing with Vesicular Stomatitis Virus Reveals Novel Retinal Circuitry
Beier KT, Borghuis BG, El-Danaf RN, Huberman AD, Demb JB, Cepko CL. Transsynaptic Tracing with Vesicular Stomatitis Virus Reveals Novel Retinal Circuitry. Journal Of Neuroscience 2013, 33: 35-51. PMID: 23283320, PMCID: PMC3711516, DOI: 10.1523/jneurosci.0245-12.2013.Peer-Reviewed Original ResearchConceptsStarburst amacrine cellsVesicular stomatitis virusDirection-selective retinal ganglion cellsRetinal ganglion cell typesGanglion cell typesRetinal ganglion cellsStomatitis virusCell typesDensity of neuropilTranssynaptic tracerNeurotropic virusesPresynaptic sourceAmacrine cellsSynaptic relationshipsGanglion cellsRetinal circuitryPostsynaptic neuronsSynaptic partnersMouse retinaViral tracersCell type-specific dissectionNeural circuitsNeural circuitryViral spreadVirus
1999
Motion Opponency in Visual Cortex
Heeger D, Boynton G, Demb J, Seidemann E, Newsome W. Motion Opponency in Visual Cortex. Journal Of Neuroscience 1999, 19: 7162-7174. PMID: 10436069, PMCID: PMC6782843, DOI: 10.1523/jneurosci.19-16-07162.1999.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingVisual motion perceptionMotion opponencyMotion perceptionVisual cortexSecondary visual cortical areasHuman MT complexHuman visual cortexDirection-selective signalsVisual cortical areasSensitive brain areasPrimary visual cortexMacaque monkey brainMagnetic resonance imagingPopulations of neuronsMultiunit electrophysiological recordingsBrain activityPerceptual studiesNeuronal correlatesFMRI measurementsArea MTCortical areasBrain areasMonkey brainResonance imaging