2021
Preservation of vision after CaMKII-mediated protection of retinal ganglion cells
Guo X, Zhou J, Starr C, Mohns EJ, Li Y, Chen EP, Yoon Y, Kellner CP, Tanaka K, Wang H, Liu W, Pasquale LR, Demb JB, Crair MC, Chen B. Preservation of vision after CaMKII-mediated protection of retinal ganglion cells. Cell 2021, 184: 4299-4314.e12. PMID: 34297923, PMCID: PMC8530265, DOI: 10.1016/j.cell.2021.06.031.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsBrainCalcium-Calmodulin-Dependent Protein Kinase Type 2Cyclic AMP Response Element-Binding ProteinCytoprotectionDependovirusDisease Models, AnimalEnzyme ActivationGlaucomaMice, Inbred C57BLNeurotoxinsOptic Nerve InjuriesRetinal Ganglion CellsSignal TransductionVision, OcularConceptsRetinal ganglion cellsRGC survivalRGC somataGanglion cellsDiverse insultsRGC axon projectionOptic nerve injurySole output neuronsPreservation of visionElevated intraocular pressureIrreversible vision lossPathological statesExcitotoxic injuryNerve injuryGlaucoma modelIntraocular pressureRGC axonsVision lossVisual functionNormal retinaVisual cortexAxon projectionsGenetic deficiencyInjuryRetinaPhotoreceptive 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
2018
Melanopsin Shows Its (Contrast-)Sensitive Side
Pottackal J, Demb JB. Melanopsin Shows Its (Contrast-)Sensitive Side. Neuron 2018, 99: 630-632. PMID: 30138585, DOI: 10.1016/j.neuron.2018.08.007.Peer-Reviewed Original ResearchConvergence 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
2017
Selective synaptic connections in the retinal pathway for night vision
Beaudoin DL, Kupershtok M, Demb JB. Selective synaptic connections in the retinal pathway for night vision. The Journal Of Comparative Neurology 2017, 527: 117-132. PMID: 28856684, PMCID: PMC5832573, DOI: 10.1002/cne.24313.Peer-Reviewed Original ResearchMeSH KeywordsAmacrine CellsAnimalsGuinea PigsNeural PathwaysNight VisionRetinal Ganglion CellsSynapsesConceptsAII amacrine cellsRetinal ganglion cellsAmacrine cellsRGC typesBipolar terminalsSynaptic connectionsCertain retinal ganglion cellsConnected retinal ganglion cellsIonotropic glutamate receptor antagonistsOFF alpha cellsGlutamate receptor antagonistsInner plexiform layerBipolar cell terminalsSelective synaptic connectionsBipolar cell activityOFF alphaRetinal connectionsRetinal pathwaysPlexiform layerReceptor antagonistDirect synapsesGanglion cellsGlycinergic synapsesInhibitory currentsMammalian retina
2016
Divisive suppression explains high-precision firing and contrast adaptation in retinal ganglion cells
Cui Y, Wang YV, Park SJ, Demb JB, Butts DA. Divisive suppression explains high-precision firing and contrast adaptation in retinal ganglion cells. ELife 2016, 5: e19460. PMID: 27841746, PMCID: PMC5108594, DOI: 10.7554/elife.19460.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAdaptation, OcularAnimalsMiceModels, NeurologicalRetinal Ganglion CellsVisual PerceptionConceptsExcitatory synaptic inputsSynaptic inputsGanglion cell functionContrast adaptationRetinal ganglion cellsGanglion cell inputsComplex neural circuitsGanglion cell outputCell-intrinsic mechanismsGanglion cellsDivisive interactionMouse retinaNeural circuitsSpike responsesCell functionDivisive suppressionSensory processingCell inputSpike generation mechanismMillisecond precisionVisual processingSpike trainsCell outputSuppressionRetina
2014
NMDA and AMPA receptors contribute similarly to temporal processing in mammalian retinal ganglion cells
Stafford BK, Manookin MB, Singer JH, Demb JB. NMDA and AMPA receptors contribute similarly to temporal processing in mammalian retinal ganglion cells. The Journal Of Physiology 2014, 592: 4877-4889. PMID: 25217374, PMCID: PMC4259533, DOI: 10.1113/jphysiol.2014.276543.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsCells, CulturedGuinea PigsKineticsReceptors, AMPAReceptors, N-Methyl-D-AspartateRetinal Ganglion CellsConceptsGanglion cellsNMDAR kineticsOFF alphaMammalian retinal ganglion cellsNMDA-type glutamate receptorsAMPAR-mediated responsesOFF alpha cellsGanglion cell typesRetinal ganglion cellsGuinea pig retinaNMDAR-mediated responsesBipolar cell pathwaysCell typesFast excitatory neurotransmissionGlutamatergic transmissionPresynaptic inhibitionGlutamate releaseSame synapsesSynaptic inhibitionGlutamate receptorsHz stimulationPostsynaptic AMPAExcitatory neurotransmissionSensory neuronsAMPA receptorsExcitatory Synaptic Inputs to Mouse On-Off Direction-Selective Retinal Ganglion Cells Lack Direction Tuning
Park SJ, Kim IJ, Looger LL, Demb JB, Borghuis BG. Excitatory Synaptic Inputs to Mouse On-Off Direction-Selective Retinal Ganglion Cells Lack Direction Tuning. Journal Of Neuroscience 2014, 34: 3976-3981. PMID: 24623775, PMCID: PMC3951696, DOI: 10.1523/jneurosci.5017-13.2014.Peer-Reviewed Original ResearchConceptsDirection-selective ganglion cellsOFF direction-selective ganglion cellsStarburst amacrine cellsGlutamate releaseBipolar cellsExcitatory currentsPreferred direction motionBipolar cell typesExcitatory synaptic inputsNull-direction inhibitionGABA-A receptorsWhole-cell recordingsNull-direction motionDSGC dendritesGABA releaseCholinergic inputAmacrine cellsGanglion cellsSynaptic mechanismsSynaptic inputsMammalian retinaMouse retinaIntensity-based glutamate-sensing fluorescent reporterDirection selectivityDirection tuningDevelopmental 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
Two-Photon Imaging of Nonlinear Glutamate Release Dynamics at Bipolar Cell Synapses in the Mouse Retina
Borghuis BG, Marvin JS, Looger LL, Demb JB. Two-Photon Imaging of Nonlinear Glutamate Release Dynamics at Bipolar Cell Synapses in the Mouse Retina. Journal Of Neuroscience 2013, 33: 10972-10985. PMID: 23825403, PMCID: PMC3718381, DOI: 10.1523/jneurosci.1241-13.2013.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsFemaleGlutamic AcidMaleMiceMice, Inbred C57BLMicroscopy, Fluorescence, MultiphotonPhotic StimulationRetinaRetinal Ganglion CellsSynapsesConceptsInner plexiform layerGanglion cellsPlexiform layerY-type retinal ganglion cellsY-type ganglion cellsPresynaptic bipolar cellsBipolar cell outputBipolar cell synapsesRetinal ganglion cellsWhole-cell recordingsPostsynaptic ganglion cellsIntact neural circuitsReceptive field propertiesPresynaptic release sitesBipolar terminalsGlutamate releaseGlutamate synapsesSynaptic basisCell synapsesBipolar cellsExcitatory currentsSurround inhibitionMouse retinaTwo-photon imagingIndependent release
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 cells
2011
Delayed-Rectifier K Channels Contribute to Contrast Adaptation in Mammalian Retinal Ganglion Cells
Weick M, Demb JB. Delayed-Rectifier K Channels Contribute to Contrast Adaptation in Mammalian Retinal Ganglion Cells. Neuron 2011, 71: 166-179. PMID: 21745646, PMCID: PMC3134798, DOI: 10.1016/j.neuron.2011.04.033.Peer-Reviewed Original ResearchConceptsRetinal ganglion cellsGanglion cellsSubsequent depolarizationContrast adaptationOFF alpha ganglion cellsMammalian retinal ganglion cellsAlpha ganglion cellsGuinea pig retinaK channelsSuppress excitabilityPig retinaNa channel inactivationFiring responsesBrief depolarizationBrief hyperpolarizationRectifier K channelsVisual stimulationSomatic membrane patchesChannel inactivationDepolarizationPhysiological rangeIntrinsic mechanismHyperpolarizationCellsSalamander cellsSpectral and Temporal Sensitivity of Cone-Mediated Responses in Mouse Retinal Ganglion Cells
Wang YV, Weick M, Demb JB. Spectral and Temporal Sensitivity of Cone-Mediated Responses in Mouse Retinal Ganglion Cells. Journal Of Neuroscience 2011, 31: 7670-7681. PMID: 21613480, PMCID: PMC3122925, DOI: 10.1523/jneurosci.0629-11.2011.Peer-Reviewed Original ResearchConceptsCone-mediated responsesM-opsin expressionGanglion cellsMouse retinaMouse retinal ganglion cellsRod-mediated responsesSlower temporal processingRetinal ganglion cellsWild-type miceGanglion cell responsesCone-mediated visionMouse ganglion cellsVentral retinaDorsal retinaRod functionCone functionCell responsesS-opsinRetinaMiceMouse photoreceptorsExpression ratioLight stimulationPhotoreceptor typesTemporal processing
2010
Neurons show their true colours
Demb JB, Brainard DH. Neurons show their true colours. Nature 2010, 467: 670-671. PMID: 20930837, DOI: 10.1038/467670b.Peer-Reviewed Original ResearchNMDA Receptor Contributions to Visual Contrast Coding
Manookin MB, Weick M, Stafford BK, Demb JB. NMDA Receptor Contributions to Visual Contrast Coding. Neuron 2010, 67: 280-293. PMID: 20670835, PMCID: PMC2913150, DOI: 10.1016/j.neuron.2010.06.020.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsContrast SensitivityDizocilpine MaleateElectric ConductivityExcitatory Amino Acid AgonistsExcitatory Amino Acid AntagonistsGene Expression RegulationGuinea PigsIn Vitro TechniquesLightMiceMice, Inbred C57BLN-MethylaspartatePatch-Clamp TechniquesPhotic StimulationPiperidinesReceptors, N-Methyl-D-AspartateRetinaRetinal Ganglion CellsVisual PerceptionConceptsNMDA receptorsOFF alphaAlpha cellsNMDA-type glutamate receptorsOFF alpha cellsDelta cellsGanglion cell typesNMDA receptor contributionCell typesExcitatory responsesGlutamate receptorsInhibitory currentsAMPA receptorsReceptor contributionGluN2B subunitContrast sensitivityContrast codingReceptorsNMDAAMPACertain cell typesCellsVisual processingAlpha
2009
Activity acts locally
Demb JB, Feller MB. Activity acts locally. Nature 2009, 460: 961-963. PMID: 19693075, DOI: 10.1038/460961a.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsMiceRetinaRetinal Bipolar CellsRetinal Ganglion CellsSynapsesSynaptic Transmission
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 ResearchMeSH KeywordsAnimalsContrast SensitivityElectrophysiologyGuinea PigsModels, NeurologicalNonlinear DynamicsPhotic StimulationRetinal Ganglion CellsSynapsesVisual PathwaysConceptsCone 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 currents
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 StatementsMeSH KeywordsAction PotentialsAmacrine CellsAnimalsHumansMotion PerceptionRetinaRetinal Ganglion CellsSignal TransductionSynaptic TransmissionVisual PathwaysConceptsDirection selectivityGanglion cellsDirection-selective ganglion cellsExcitatory circuitryInhibitory circuitryInhibitory interneuronsSynaptic inputsMammalian visual systemAction potentialsCellular mechanismsDirection preferenceMultiple sensory systemsDirection-selective mechanismsRetinaSensory systemsFunctional Circuitry for Peripheral Suppression in Mammalian Y-Type Retinal Ganglion Cells
Zaghloul KA, Manookin MB, Borghuis BG, Boahen K, Demb JB. Functional Circuitry for Peripheral Suppression in Mammalian Y-Type Retinal Ganglion Cells. Journal Of Neurophysiology 2007, 97: 4327-4340. PMID: 17460102, DOI: 10.1152/jn.01091.2006.Peer-Reviewed Original ResearchConceptsAmacrine cellsGanglion cellsCenter responseSynaptic layersY-type retinal ganglion cellsHorizontal cellsY-type ganglion cellsSecond synaptic layerGanglion cell receptive fieldsRetinal ganglion cellsGuinea pig retinaStimulus-response curvesRetinal ganglion cell receptive fieldsFirst synaptic layerCurrent-clamp conditionsBipolar terminalsGlutamate releaseCell receptive fieldsPeripheral gratingsPeripheral suppressionIntracellular recordingsPig retinaSubthreshold membrane potentialsExcitatory centerInhibitory conductanceCellular Basis for Contrast Gain Control over the Receptive Field Center of Mammalian Retinal Ganglion Cells
Beaudoin DL, Borghuis BG, Demb JB. Cellular Basis for Contrast Gain Control over the Receptive Field Center of Mammalian Retinal Ganglion Cells. Journal Of Neuroscience 2007, 27: 2636-2645. PMID: 17344401, PMCID: PMC6672510, DOI: 10.1523/jneurosci.4610-06.2007.Peer-Reviewed Original ResearchConceptsReceptive field centerPresynaptic bipolar cellsGanglion cellsBipolar cellsAmacrine cellsGanglion cell receptive field centersContrast gain controlMammalian retinal ganglion cellsMammalian ganglion cellsRetinal ganglion cellsWhole-cell recordingsInhibitory neurotransmitter receptorsField centerVoltage-clamp conditionsInhibitory interneuronsSynaptic releaseNeurotransmitter receptorsCenter responseExtracellular recordingsPharmacological conditionsAdequate stimulationInhibitory conductanceCalcium bufferingSubthreshold responsesMembrane currents