2018
Restoration of vision after de novo genesis of rod photoreceptors in mammalian retinas
Yao K, Qiu S, Wang YV, Park SJH, Mohns EJ, Mehta B, Liu X, Chang B, Zenisek D, Crair MC, Demb JB, Chen B. Restoration of vision after de novo genesis of rod photoreceptors in mammalian retinas. Nature 2018, 560: 484-488. PMID: 30111842, PMCID: PMC6107416, DOI: 10.1038/s41586-018-0425-3.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBeta CateninBlindnessCell CycleCell ProliferationCellular ReprogrammingDisease Models, AnimalFemaleGTP-Binding Protein alpha SubunitsHeterotrimeric GTP-Binding ProteinsMaleMiceNeurogenesisNeurogliaRegenerative MedicineRetinal Rod Photoreceptor CellsStem CellsTranscription FactorsTransducinVisual CortexVisual PathwaysConceptsMüller gliaGene transferMG proliferationRod photoreceptorsMammalian retinaCell fate specificationPopulations of stemSubsequent gene transferFate specificationRetinal stem cellsTranscription factorsRetinal neuronsCell cycleDouble mutant miceRegenerative machineryDe novo genesisΒ-cateninStem cellsProgenitor cellsRestoration of visionPrimary visual cortexMutant miceAbsence of injuryPhotoreceptorsRetinal injuryConvergence and Divergence of CRH Amacrine Cells in Mouse Retinal Circuitry
Park SJH, Pottackal J, Ke JB, Jun NY, Rahmani P, Kim IJ, Singer JH, Demb JB. Convergence and Divergence of CRH Amacrine Cells in Mouse Retinal Circuitry. Journal Of Neuroscience 2018, 38: 3753-3766. PMID: 29572434, PMCID: PMC5895998, DOI: 10.1523/jneurosci.2518-17.2018.Peer-Reviewed Original ResearchConceptsAlpha ganglion cellsGanglion cell typesAmacrine cellsGanglion cellsCRH cellsAlpha cellsGABAergic synapsesInhibitory interneuronsExcitation/inhibition balanceCorticotropin-releasing hormoneCre transgenic miceFire action potentialsTonic excitatory driveCell typesBalance of excitationGABA releaseExcitatory circuitsRetinal circuitryExcitatory driveInhibition balanceInhibitory inputsMammalian retinaMouse retinaAction potentialsOptogenetic analyses
2015
Function and Circuitry of VIP+ Interneurons in the Mouse Retina
Park SJ, Borghuis BG, Rahmani P, Zeng Q, Kim IJ, Demb JB. Function and Circuitry of VIP+ Interneurons in the Mouse Retina. Journal Of Neuroscience 2015, 35: 10685-10700. PMID: 26224854, PMCID: PMC4518048, DOI: 10.1523/jneurosci.0222-15.2015.Peer-Reviewed Original ResearchConceptsGanglion cell layerAmacrine cell typesInner nuclear layerAmacrine cellsGanglion cellsINL cellsON pathwayGanglion cell dendritesGanglion cell typesBipolar cell terminalsWhole-cell recordingsCell typesNervous system functionSpatial tuningBipolar cell pathwaysTransgenic mouse lineGCL cellsOptic nerveGABAergic interneuronsRetinal functionCell dendritesRetinal circuitryInhibitory interneuronsNuclear layerBipolar interneurons
2014
Kainate Receptors Mediate Signaling in Both Transient and Sustained OFF Bipolar Cell Pathways in Mouse Retina
Borghuis BG, Looger LL, Tomita S, Demb JB. Kainate Receptors Mediate Signaling in Both Transient and Sustained OFF Bipolar Cell Pathways in Mouse Retina. Journal Of Neuroscience 2014, 34: 6128-6139. PMID: 24790183, PMCID: PMC4004803, DOI: 10.1523/jneurosci.4941-13.2014.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsDrug InteractionsExcitatory Amino Acid AntagonistsFemaleGlutamic AcidHexamethoniumIn Vitro TechniquesLightMaleMiceMice, Inbred C57BLNicotinic AntagonistsPatch-Clamp TechniquesPhotic StimulationPropionatesReceptors, Kainic AcidRetinaRetinal Bipolar CellsSignal TransductionVisual PathwaysConceptsGlutamate releaseBipolar cellsCone bipolar cell typesOFF bipolar cell pathwaysMouse bipolar cellsGanglion cell dendritesKainate-type glutamate receptorsBipolar cell typesLight-evoked responsesBipolar cell pathwaysGanglion cellsOFF layerCell dendritesReceptor mediatesGlutamate receptorsKainate receptorsAMPA receptorsTwo-photon imagingMouse retinaBipolar pathwayIntact circuitsOFF pathwaysElectrophysiological recordingsCircuit mechanismsReceptorsDevelopmental Changes in NMDA Receptor Subunit Composition at ON and OFF Bipolar Cell Synapses onto Direction-Selective Retinal Ganglion Cells
Stafford BK, Park SJ, Wong KY, Demb JB. Developmental Changes in NMDA Receptor Subunit Composition at ON and OFF Bipolar Cell Synapses onto Direction-Selective Retinal Ganglion Cells. Journal Of Neuroscience 2014, 34: 1942-1948. PMID: 24478373, PMCID: PMC3905152, DOI: 10.1523/jneurosci.4461-13.2014.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsAnimals, NewbornExcitatory Amino Acid AgonistsFemaleGene Expression Regulation, DevelopmentalGlutamic AcidGreen Fluorescent ProteinsIn Vitro TechniquesLightMaleMembrane PotentialsMiceMice, Inbred C57BLMice, TransgenicNeurotransmitter AgentsN-MethylaspartatePatch-Clamp TechniquesReceptors, N-Methyl-D-AspartateRetinaRetinal Bipolar CellsRetinal Ganglion CellsSynapsesVisual PathwaysConceptsNMDA-type glutamate receptorsDirection-selective ganglion cellsExtrasynaptic NMDA-type glutamate receptorsNMDAR-mediated responsesBipolar cell synapsesGanglion cellsCell synapsesMature retinaSpecific ganglion cell typesDirection-selective retinal ganglion cellsNMDA receptor subunit compositionActivity-dependent synaptic developmentBipolar cell inputsGanglion cell typesRetinal ganglion cellsFirst postnatal monthReceptor subunit compositionWhole-cell recordingsGlutamatergic synapse formationCell typesGluN2B antagonist ifenprodilReceptor blockadeGlutamate releaseBipolar synapsesGlutamatergic synapses
2013
Adaptation to Background Light Enables Contrast Coding at Rod Bipolar Cell Synapses
Ke JB, Wang YV, Borghuis BG, Cembrowski MS, Riecke H, Kath WL, Demb JB, Singer JH. Adaptation to Background Light Enables Contrast Coding at Rod Bipolar Cell Synapses. Neuron 2013, 81: 388-401. PMID: 24373883, PMCID: PMC4267681, DOI: 10.1016/j.neuron.2013.10.054.Peer-Reviewed Original ResearchMeSH Keywords2-Amino-5-phosphonovalerateAdaptation, OcularAnimalsBiophysicsComputer SimulationExcitatory Amino Acid AntagonistsGlucosamine 6-Phosphate N-AcetyltransferaseGreen Fluorescent ProteinsIn Vitro TechniquesLightMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicModels, NeurologicalPatch-Clamp TechniquesQuinoxalinesRetinal Bipolar CellsRetinal Rod Photoreceptor CellsSynapsesVisual Pathways
2012
Form and Function of the M4 Cell, an Intrinsically Photosensitive Retinal Ganglion Cell Type Contributing to Geniculocortical Vision
Estevez ME, Fogerson PM, Ilardi MC, Borghuis BG, Chan E, Weng S, Auferkorte ON, Demb JB, Berson DM. Form and Function of the M4 Cell, an Intrinsically Photosensitive Retinal Ganglion Cell Type Contributing to Geniculocortical Vision. Journal Of Neuroscience 2012, 32: 13608-13620. PMID: 23015450, PMCID: PMC3474539, DOI: 10.1523/jneurosci.1422-12.2012.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsBeta-GalactosidaseCholera ToxinCholine O-AcetyltransferaseDendritesElectroretinographyFemaleGeniculate BodiesGreen Fluorescent ProteinsLightMaleMembrane PotentialsMiceMice, Inbred C57BLMice, TransgenicPatch-Clamp TechniquesPhotic StimulationRetinaRetinal Ganglion CellsRod OpsinsVisual CortexVisual FieldsVisual PathwaysConceptsM4 cellsM2 cellsDorsal lateral geniculate nucleusPhotosensitive retinal ganglion cellsInner plexiform layerRetinal ganglion cellsLateral geniculate nucleusRetinal output neuronsNonlinear spatial summationCholinergic bandDendritic stratificationON sublaminaLarge somataPlexiform layerGanglion cellsDendritic arborsGeniculate nucleusPhotopigment melanopsinVentral retinaDorsal retinaMouse retinaDirection selectivityFunctional rodsCentral projectionsM3 cellsIntrinsic properties and functional circuitry of the AII amacrine cell
DEMB JB, SINGER JH. Intrinsic properties and functional circuitry of the AII amacrine cell. Visual Neuroscience 2012, 29: 51-60. PMID: 22310372, PMCID: PMC3561778, DOI: 10.1017/s0952523811000368.Peer-Reviewed Original ResearchConceptsAII amacrine cellsAmacrine cellsPhotopic conditionsOFF ganglion cellsRod amacrine cellsCone bipolar cellsGanglion cell typesCone-mediated visionRod-mediated visionAII networkCell typesGanglion cellsRetinal neuronsExcitatory interneuronsBipolar cellsMammalian retinaFunctional circuitryAIIDistinct cell typesOutput neuronsNeuronsInhibition pathwayMotion sensitivityPhotoreceptor pathwaysCells
2008
Distinct expressions of contrast gain control in parallel synaptic pathways converging on a retinal ganglion cell
Beaudoin DL, Manookin MB, Demb JB. Distinct expressions of contrast gain control in parallel synaptic pathways converging on a retinal ganglion cell. The Journal Of Physiology 2008, 586: 5487-5502. PMID: 18832424, PMCID: PMC2655385, DOI: 10.1113/jphysiol.2008.156224.Peer-Reviewed Original ResearchConceptsCone bipolar cellsOFF ganglion cellsRod bipolar cellsGanglion cellsRetinal ganglion cellsBipolar cellsInhibitory inputsExcitatory inputsSynaptic pathwaysContrast gain controlOFF cone bipolar cellsIonotropic glutamate receptor antagonistsY-type ganglion cellsRod bipolar pathwayAII amacrine cellsGlutamate receptor antagonistsGanglion cell firingWhole-cell recordingsLoose-patch recordingsAmacrine cellsReceptor antagonistRetinal pathwaysAII cellsSynaptic mechanismsSynaptic currentsDisinhibition Combines with Excitation to Extend the Operating Range of the OFF Visual Pathway in Daylight
Manookin MB, Beaudoin DL, Ernst ZR, Flagel LJ, Demb JB. Disinhibition Combines with Excitation to Extend the Operating Range of the OFF Visual Pathway in Daylight. Journal Of Neuroscience 2008, 28: 4136-4150. PMID: 18417693, PMCID: PMC2557439, DOI: 10.1523/jneurosci.4274-07.2008.Peer-Reviewed Original ResearchConceptsOFF ganglion cellsAII amacrine cellsCone bipolar cellsGanglion cellsAmacrine cellsAII cellsBipolar cellsPresence of CNQXBipolar cell synapsesD-APOFF visual pathwayBipolar cell pathwaysGap junctionsGlycine releaseExcitatory responsesIonotropic glutamateSynaptic inhibitionCell synapsesON pathwayGlycine receptorsLight decrementsVisual pathwayElectrical synapsesMeclofenamic acidDaylight vision
2007
Cellular Mechanisms for Direction Selectivity in the Retina
Demb JB. Cellular Mechanisms for Direction Selectivity in the Retina. Neuron 2007, 55: 179-186. PMID: 17640521, DOI: 10.1016/j.neuron.2007.07.001.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsDirection selectivityGanglion cellsDirection-selective ganglion cellsExcitatory circuitryInhibitory circuitryInhibitory interneuronsSynaptic inputsMammalian visual systemAction potentialsCellular mechanismsDirection preferenceMultiple sensory systemsDirection-selective mechanismsRetinaSensory systems
2006
Making selective 'cone-ections'
Demb JB. Making selective 'cone-ections'. Nature Neuroscience 2006, 9: 595-596. PMID: 16639404, DOI: 10.1038/nn0506-595.Commentaries, Editorials and Letters
2005
Do We Know What the Early Visual System Does?
Carandini M, Demb JB, Mante V, Tolhurst DJ, Dan Y, Olshausen BA, Gallant JL, Rust NC. Do We Know What the Early Visual System Does? Journal Of Neuroscience 2005, 25: 10577-10597. PMID: 16291931, PMCID: PMC6725861, DOI: 10.1523/jneurosci.3726-05.2005.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
2001
Cellular Basis for the Response to Second-Order Motion Cues in Y Retinal Ganglion Cells
Demb J, Zaghloul K, Sterling P. Cellular Basis for the Response to Second-Order Motion Cues in Y Retinal Ganglion Cells. Neuron 2001, 32: 711-721. PMID: 11719210, DOI: 10.1016/s0896-6273(01)00484-6.Peer-Reviewed Original ResearchConceptsGanglion cellsEPSP/IPSP sequencesY cellsOFF ganglion cellsY ganglion cellsRetinal ganglion cellsSecond-order motion cuesSecond-order motion stimuliDendritic fieldsInhibitory effectCell inhibitionCellular basisMotion stimuliCortical cellsSecond-order motionCellsPerceive motionResponseTetrodotoxinCortexRetina
1999
Normal planum temporale asymmetry in dyslexics with a magnocellular pathway deficit
Best M, Demb J. Normal planum temporale asymmetry in dyslexics with a magnocellular pathway deficit. Neuroreport 1999, 10: 607-612. PMID: 10208598, DOI: 10.1097/00001756-199902250-00030.Peer-Reviewed Original ResearchMeSH KeywordsAdultAuditory PathwaysDyslexiaFemaleHumansMagnetic Resonance ImagingMaleReference ValuesTemporal LobeVisual PathwaysConceptsPlanum temporalePT asymmetryPlanum temporale asymmetrySagittal magnetic resonance imagesMagnocellular visual pathwayMagnocellular deficitVisual pathwayAbnormal symmetryDifferent subtypesPathway deficitsMagnetic resonance imagesSubject groupsMagnocellular pathway deficitDyslexic subjectsResonance imagesDeficitsSubjectsHemispheric symmetryGroupAbnormalitiesSubtypes
1998
Functional Magnetic Resonance Imaging of Early Visual Pathways in Dyslexia
Demb J, Boynton G, Heeger D. Functional Magnetic Resonance Imaging of Early Visual Pathways in Dyslexia. Journal Of Neuroscience 1998, 18: 6939-6951. PMID: 9712663, PMCID: PMC6792964, DOI: 10.1523/jneurosci.18-17-06939.1998.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrain MappingDyslexiaFemaleHumansMagnetic Resonance ImagingMalePhotic StimulationPsychophysicsReadingVisual PathwaysConceptsFunctional magnetic resonance imagingMagnetic resonance imagingBrain activityResonance imagingM pathwayReduced brain activityPrimary visual cortexMotion-sensitive areasSpeed discriminationPerceptual thresholdHigher V1Pathway abnormalitiesVisual motion perceptionEarly visual pathwayGroups of dyslexicsVisual cortexVisual pathwayLower perceptual thresholdsExtrastriate areasArea MTMagnocellular pathwayStimulus speedPathway inputEarly visual systemNormal readersPsychophysical evidence for a magnocellular pathway deficit in dyslexia
Demb J, Boynton G, Best M, Heeger D. Psychophysical evidence for a magnocellular pathway deficit in dyslexia. Vision Research 1998, 38: 1555-1559. PMID: 9747491, DOI: 10.1016/s0042-6989(98)00075-3.Peer-Reviewed Original ResearchMeSH KeywordsAdultContrast SensitivityDyslexiaFemaleHumansMaleMotion PerceptionPsychophysicsSensory ThresholdsTime FactorsVisual PathwaysConceptsSpeed discriminationPsychophysical performanceMagnocellular pathway deficitIndividual differencesPsychophysical evidenceMotion discriminationPsychophysical predictorsDyslexiaDetection taskMagnocellular pathwayPsychophysical thresholdsPathway deficitsContrast sensitivityDeficitsDiscriminationPathway integritySpeed thresholdTaskHypothesisPathway abnormalitiesPredictorsDetection thresholdPerformance