2024
The Structural and Functional Integrity of Rod Photoreceptor Ribbon Synapses Depends on Redundant Actions of Dynamins 1 and 3
Hanke-Gogokhia C, Zapadka T, Finkelstein S, Klingeborn M, Maugel T, Singer J, Arshavsky V, Demb J. The Structural and Functional Integrity of Rod Photoreceptor Ribbon Synapses Depends on Redundant Actions of Dynamins 1 and 3. Journal Of Neuroscience 2024, 44: e1379232024. PMID: 38641407, PMCID: PMC11209669, DOI: 10.1523/jneurosci.1379-23.2024.Peer-Reviewed Original ResearchRod ribbon synapsesDynamin-1Photoreceptor ribbon synapsesDynamin isoformsMembrane scissionRibbon synapsesConventional synapsesReduced synaptic vesicle densitySynaptic vesicle recycling processesEndocytosis of synaptic vesiclesRibbon-type active zonesVesicle densityConditional gene knockout approachGene knockout approachSynaptic vesicle densityVesicle endocytosisVesicle cycleDisrupt endocytosisDynaminSpecialized proteinsSynapse integrityEnlarged vesiclesSynaptic vesiclesKnockout approachRod photoreceptors
2020
Receptoral Mechanisms for Fast Cholinergic Transmission in Direction-Selective Retinal Circuitry
Pottackal J, Singer JH, Demb JB. Receptoral Mechanisms for Fast Cholinergic Transmission in Direction-Selective Retinal Circuitry. Frontiers In Cellular Neuroscience 2020, 14: 604163. PMID: 33324168, PMCID: PMC7726240, DOI: 10.3389/fncel.2020.604163.Peer-Reviewed Original ResearchDirection-selective ganglion cellsStarburst amacrine cellsFast cholinergic transmissionGABAergic inhibitionCholinergic transmissionGABAergic transmissionCholinergic excitationPostsynaptic currentsSynaptic mechanismsConventional synaptic transmissionReceptoral mechanismsReceptor blockadeAmacrine cellsGanglion cellsRetinal circuitryParacrine natureSynaptic transmissionConventional synapsesMammalian retinaMouse retinaParacrine transmissionParacrine modeDirection selectivityDistinct temporal propertiesReceptor kinetics
2008
Ultraweak Signals Can Cause Synaptic Depression and Adaptation
Demb JB, von Gersdorff H. Ultraweak Signals Can Cause Synaptic Depression and Adaptation. Neuron 2008, 57: 802-804. PMID: 18367079, DOI: 10.1016/j.neuron.2008.03.005.Commentaries, Editorials and Letters