2020
Connectomic analysis reveals an interneuron with an integral role in the retinal circuit for night vision
Park SJ, Lieberman EE, Ke JB, Rho N, Ghorbani P, Rahmani P, Jun NY, Lee HL, Kim IJ, Briggman KL, Demb JB, Singer JH. Connectomic analysis reveals an interneuron with an integral role in the retinal circuit for night vision. ELife 2020, 9: e56077. PMID: 32412412, PMCID: PMC7228767, DOI: 10.7554/elife.56077.Peer-Reviewed Original ResearchConceptsAII amacrine cellsProjection neuronsSingle interneuron typeConnectomic analysisBipolar cell pathwaysNovel neural circuitGABAergic cellsAmacrine cellsCentral neuronsGanglion cellsSynaptic layersRetinal circuitsInterneuron typesSurround inhibitionMouse retinaNight visionON responseExcitatory centerOptogenetic analysesNeural circuitsInhibitory surroundCell pathwaysRod photoreceptorsReceptive fieldsRb pathway
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
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 ResearchConceptsGanglion 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 receptorsKainate 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 mechanismsReceptors
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
2008
Disinhibition 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