2025
Optic nerve injury impairs intrinsic mechanisms underlying electrical activity in a resilient retinal ganglion cell
Zapadka T, Tran N, Demb J. Optic nerve injury impairs intrinsic mechanisms underlying electrical activity in a resilient retinal ganglion cell. The Journal Of Physiology 2025 PMID: 39985791, DOI: 10.1113/jp286414.Peer-Reviewed Original ResearchOptic nerve crushRetinal ganglion cellsOptic nerveGanglion cellsSynaptic inputsVoltage-gated sodium channel currentsRetinal ganglion cell typesVoltage-gatedRetinal ganglion cell survivalChelation of intracellular calciumResting membrane potentialOptic nerve injuryVoltage-gated currentsAxonal injurySodium channel currentsRetinal ganglion cell axonsRGC typesAlpha retinal ganglion cellsAxon initial segmentIntracellular calciumRate of survivalNerve injuryElectrophysiological propertiesNerve crushIntrinsic excitability
2024
Specific retinal neurons regulate context-dependent defensive responses to visual threat
Lee T, Weinberg-Wolf H, Zapadka T, Rudenko A, Demb J, Kim I. Specific retinal neurons regulate context-dependent defensive responses to visual threat. PNAS Nexus 2024, 3: pgae423. PMID: 39359403, PMCID: PMC11443969, DOI: 10.1093/pnasnexus/pgae423.Peer-Reviewed Original ResearchRetinal ganglion cellsBehavioral responsesRetinal ganglion cell typesVisual threatAlpha retinal ganglion cellsLooming stimuliThreatening stimuliMature miceGanglion cellsBehavioral reactionsUnique contributionsCell ablationVisual pathwayOutput neuronsEarly visual pathwayStimuliContextual signalsDefense responsesAerial predatorsEnvironmental context
2022
Brainstem serotonin neurons selectively gate retinal information flow to thalamus
Reggiani J, Jiang Q, Barbini M, Lutas A, Liang L, Fernando J, Deng F, Wan J, Li Y, Chen C, Andermann M. Brainstem serotonin neurons selectively gate retinal information flow to thalamus. Neuron 2022, 111: 711-726.e11. PMID: 36584680, PMCID: PMC10131437, DOI: 10.1016/j.neuron.2022.12.006.Peer-Reviewed Original ResearchConceptsVisual information streamsRetinal ganglion cell typesBrainstem serotonin neuronsFiber photometry recordingsGanglion cell typesTwo-photon calcium imagingSerotonin neuronsVisual thalamusGlutamate releaseSerotonergic axonsRGC axonsSerotonin axonsThalamocortical neuronsAxon stimulationAwake micePresynaptic terminalsCalcium imagingOptogenetic stimulationCalcium activityLocal visual stimuliAxonsThalamusBoutonsVisual stimuliNeurons
2020
Organization, Function, and Development of the Mouse Retinogeniculate Synapse
Liang L, Chen C. Organization, Function, and Development of the Mouse Retinogeniculate Synapse. Annual Review Of Vision Science 2020, 6: 261-285. PMID: 32936733, DOI: 10.1146/annurev-vision-121219-081753.Peer-Reviewed Original ResearchConceptsRetinogeniculate synapseDistinct retinal ganglion cell typesRetinal ganglion cell typesGanglion cell typesImage-forming pathwayVisual thalamusThalamocortical neuronsVisual pathwayExperimental modelCircuit organizationThalamusSynapseMiceCell typesFunctional organizationRecent studiesPowerful experimental modelCurrent understandingVisual spaceVisual experiencePathwayNeuronsRGCs
2013
Transsynaptic 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
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