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Identification a functional glycine receptor subtype in retinal amacrine and ganglion cells

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INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE 2004年第13期45卷 U408-U408页

作者： Li, P Slaughter, MM SUNY Buffalo Dept Physiol & Biophys Buffalo NY 14260 USA

4250

关键词： inhibitory receptors retina: proximal (bipolar amacrine and ganglion cells) receptors: pharmacology/physiology

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Retinal ganglion cell remodelling in experimental glaucoma

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INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE 2005年第13期46卷 1233-1233页

作者： Datta, AV Taylor, M Albon, J Erichsen, JT Boulton, M Morgan, JE School of Optometry & Vision Sciences Cardiff University Cardiff United Kingdom Ophthalmology University Hospital of Wales Cardiff United Kingdom

1233

关键词： retina: proximal (bipolar amacrine and ganglion cells) pathology: experimental intraocular pressure

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Recovery of a late multifocal ERG waveform complex in experimental ocular hypertension following IOP reduction

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INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE 2002年第13期43卷 U487-U487页

作者： Hoeve, JNV Kim, CBY Nickells, RW Kaufman, PL Heatley, GA Faha, B Nork, TM Univ Wisconsin Madison WI USA Canji Inc San Francisco CA USA

2121

关键词： 396 electroretinography: non-clinical 444 intraocular pressure 557 retina: proximal(bipolar amacrine and ganglion cells)

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Wide-field ganglion cell types in the macaque retina

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INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE 2002年第13期43卷 U649-U649页

作者： Yamada, ES Marshak, DW Fed Univ Para Dept Fisiol BR-66059 Belem Para Brazil Univ Texas Dept Neurobiol & Anat Houston TX USA

2776

关键词： 415 ganglion cells 474 microscopy: light/fluorescence/immunohistochemistry 557 retina: proximal(bipolar amacrine and ganglion cells)

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Complex inhibitory microcircuitry regulates retinal signaling near visual threshold

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JOURNAL OF NEUROPHYSIOLOGY 2015年第1期114卷 341-353页

作者： Grimes, William N. Zhang, Jun Tian, Hua Graydon, Cole W. Hoon, Mrinalini Rieke, Fred Diamond, Jeffrey S. NINDS Synapt Physiol Sect Bethesda MD 20892 USA Univ Washington Howard Hughes Med Inst Dept Physiol & Biophys Seattle WA 98195 USA Univ Washington Dept Biol Struct Seattle WA 98195 USA

Neuronal microcircuits, small, localized signaling motifs involving two or more neurons, underlie signal processing and computation in the brain. Compartmentalized signaling within a neuron may enable it to participate in multiple, independent microcircuits. Each A17 amacrine cell in the mammalian retina contains within its dendrites hundreds of synaptic feedback microcircuits that operate independently to modulate feedforward signaling in the inner retina. Each of these microcircuits comprises a small (amacrine cell). We conclude that A17-mediated feedback inhibition improves the signal to noise ratio of RBC-AII transmission near visual threshold, thereby improving visual sensitivity at night.

关键词： amacrine feedback GABA retina microcircuit

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Morphological Survey from Neurons to Circuits of the Mouse Retina

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Methods in molecular biology (Clifton, N.J.) 2018年 1753卷 3-25页

作者： Yoshihiko Tsukamoto Department of Biology Hyogo College of Medicine Nishinomiya Hyogo Japan. ytsuka@hyo-med.ac.jp.

The mouse retina has a layered structure that is composed of five classes of neurons supported by Müller glial and pigment epithelial cells. Recent studies have made progress in the classification of bipolar and ganglion cells, and also in the wiring of rod-driven signaling, color coding, and directional selectivity. Molecular biological techniques, such as genetic manipulation, transcriptomics, and fluorescence imaging, have contributed a lot to these advancements. The mouse retina has consistently been an important experimental system for both basic and clinical neurosciences.

关键词： amacrine Bipolar Chemical synapse Electron microscopy Ganglion Gap junction Mouse Müller glia Retina Rod and cone

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Functional architecture of the photoreceptive ganglion cell in primate retina: Spectral sensitivity and dynamics of the intrinsic response

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INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE 2003年第13期44卷 U731-U731页

作者： Smith, VC Pokorny, J Gamlin, PD Packer, OS Peterson, BB Dacey, DM Univ Chicago Chicago IL 60637 USA Univ Alabama Vis Sci Res Ctr Birmingham AL USA Univ Washington WaNPRC Seattle WA 98195 USA

5185

关键词： retina: proximal(bipolar amacrine and gangli ganglion cells retinal connections networks circuitry

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LAMINAR DISTRIBUTIONS OF CHOLINE-ACETYLTRANSFERASE AND ACETYLCHOLINESTERASE ACTIVITIES IN THE INNER PLEXIFORM LAYER OF RAT RETINA

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JOURNAL OF NEUROCHEMISTRY 1985年第4期44卷 1091-1099页

作者： ROSS, CD DUNNING, DD JUENGEL, LI GODFREY, DA Department of Physiology Oral Roberts University Tulsa Oklahoma U.S.A.

Choline acetyltransferase and acetylcholinesterase activities were measured in samples taken at 7-micron increments through the inner plexiform layer of rat retina. These enzyme activities were not uniformly distributed through the depth of the inner plexiform layer. Peaks of choline acetyltransferase activity occurred at about one-third and peaks of acetylcholinesterase activity at about one-fifth of the depth into the inner plexiform layer from either side. The positions of the two peaks of choline acetyltransferase activity most likely correspond to the locations of processes from cholinergic amacrine somata in the inner nuclear layer, which spread in sublamina a, and processes from cholinergic amacrine somata "displaced" in the ganglion cell layer which spread in sublamina b of the inner plexiform layer. The peaks of acetylcholinesterase activity may in addition correspond to the processes of cholinoceptive amacrine and ganglion cells. The magnitudes of choline acetyltransferase and acetylcholinesterase activities are as high as found anywhere in rat brain, emphasizing the important role of cholinergic mechanisms in visual processing through the rat inner plexiform layer.

关键词： Choline acetyltransferase Acetylcholinesterase Retina Inner plexiform layer Cholinergic amacrine

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Analysis of the inner retina following implantation of a subretinal artificial silicon retina in RCS rats

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INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE 2003年第13期44卷 U703-U703页

作者： Sippy, BD Yin, H Ball, SL Phillips, MJ Blum, M Chow, AY Pardue, MT Emory Univ Atlanta VA Med Ctr Atlanta GA 30322 USA Atlanta VA Med Ctr Decatur GA USA Case Western Reserve Univ Cleveland VA Med Ctr Cole Eye Inst CCF Cleveland OH 44106 USA Optobion Naperville IL USA

5062

关键词： microscopy: light/fluorescence/immunohistochem retina: proximal(bipolar amacrine and gangli animal model

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Functional polarity of dendrites and axons of primate A1 amacrine cells

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VISUAL NEUROSCIENCE 2007年第4期24卷 449-457页

作者： Davenport, Christopher M. Detwiler, Peter B. Dacey, Dennis M. Univ Washington Neurobiol & Behav Grad Program Seattle WA 98195 USA Univ Washington Dept Physiol & Biochem Seattle WA 98195 USA Univ Washington Dept Biol Struct Seattle WA 98195 USA

The Al cell is an axon-bearing amacrine cell of the primate retina with a diffusely stratified, moderately branched dendritic tree (similar to 400 mu m diameter). Axons arise from proximal dendrites forming a second concentric, larger arborization (>4 turn diameter) of thin processes with bouton-like swellings along their length. Al cells are ON-OFF transient cells that fire a brief high frequency burst of action potentials in response to light (Stafford & Dacey, 1997). It has been hypothesized that Al cells receive local input to their dendrites, with action potentials propagating output via the axons across the retina, serving a global inhibitory function. To explore this hypothesis we recorded intracellularly from Al cells in an in vitro macaque monkey retina preparation. Al cells have an antagonistic center-surround receptive field structure for the ON and OFF components of the light response. Blocking the ON pathway with L-AP4 eliminated ON center responses but not OFF center responses or ON or OFF surround responses. Blocking GABAergic inhibition with picrotoxin increased response amplitudes without affecting receptive field structure. TTX abolished action potentials, with little effect on the sub-threshold light response or basic receptive field structure. We also used multi-photon laser scanning microscopy to record light-induced calcium transients in morphologically identified dendrites and axons of Al cells. TTX completely abolished such calcium transients in the axons but not in the dendrites. Together these results support the current model of Al function, whereby the dendritic tree receives synaptic input that determines the center-surround receptive field;and action potentials arise in the axons, which propagate away from the dendritic field across the retina.

关键词： retina amacrine calcium receptive field axon

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