Biology of Retinal Ganglion Cells

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Cells of the Nervous System".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 3009

Special Issue Editor


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Guest Editor
Department of Neurology, Center of Experimental Neurology (ZEN), Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
Interests: neurodegeneration; neuronal plasticity; neuronal repair; regeneration; neuroinflammation

Special Issue Information

Dear Colleagues,

In neuroscience, retinal ganglion cells (RGCs) have played a major role in the establishment of the fundamental principles governing patterned neuronal network formation and maturation in the central nervous system (CNS). In addition, the use of retinal ganglion cells has been instrumental in the elucidation of the mechanisms responsible for neuronal cell death and for the inhibition of axonal regeneration in the injured CNS of mammals. The extraordinary importance of retinal ganglion cells in neuroscience is in great part due to their accessibility in the eye, allowing for relatively simple assessment of experimental treatments with pharmacological compounds, viral vectors, blocking antibodies, etc. In addition, the degeneration of retinal ganglion cells and their axon in the optic nerve is involved in the visual function deficits associated with prevalent and incurable diseases such as glaucoma or multiple sclerosis. For these reasons, RGCs have received particular attention from basic scientists and clinicians. Tremendous progress has been accomplished in recent years with the identification of RGC subpopulations, several of which are anatomically well-characterized, and their role in visual and non-visual functions, in addition to their differential vulnerability to injury.

In this Special Issue of Cells, I invite you to contribute with original research articles, reviews, or shorter perspective articles in regard to all aspects related to the theme of the “Biology of Retinal Ganglion Cells”. Expert articles describing mechanistic, functional, cellular, biochemical, or general aspects of retinal ganglion cells are highly welcome. Relevant topics include but are not limited to

  • RGC function
  • Axonal regeneration
  • Neuronal survival
  • Gene therapy
  • Neuroinflammation
  • Neuronal development
  • Retinogenesis
  • Retinotectal projection
  • The optic nerve
  • Glaucoma
  • Multiple sclerosis
  • Gene therapy
  • Cell therapy

Dr. Vincent Pernet
Guest Editor

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Keywords

  • retinal ganglion cells
  • vision
  • optic nerve
  • development
  • retinal diseases

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Published Papers (1 paper)

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Research

14 pages, 1930 KiB  
Communication
Retinal Ganglion Cells: Global Number, Density and Vulnerability to Glaucomatous Injury in Common Laboratory Mice
by Marie Claes and Lieve Moons
Cells 2022, 11(17), 2689; https://doi.org/10.3390/cells11172689 - 29 Aug 2022
Cited by 8 | Viewed by 2595
Abstract
How many RBPMS+ retinal ganglion cells (RGCs) does a standard C57BL/6 laboratory mouse have on average and is this number substrain- or sex-dependent? Do RGCs of (European) C57BL/6J and -N mice show a different intrinsic vulnerability upon glaucomatous injury? Global RGC numbers [...] Read more.
How many RBPMS+ retinal ganglion cells (RGCs) does a standard C57BL/6 laboratory mouse have on average and is this number substrain- or sex-dependent? Do RGCs of (European) C57BL/6J and -N mice show a different intrinsic vulnerability upon glaucomatous injury? Global RGC numbers and densities of common laboratory mice were previously determined via axon counts, retrograde tracing or BRN3A immunohistochemistry. Here, we report the global RGC number and density by exploiting the freely available tool RGCode to automatically count RGC numbers and densities on entire retinal wholemounts immunostained for the pan-RGC marker RBPMS. The intrinsic vulnerability of RGCs from different substrains to glaucomatous injury was evaluated upon introduction of the microbead occlusion model, followed by RBPMS counts, retrograde tracing and electroretinography five weeks post-injury. We demonstrate that the global RGC number and density varies between substrains, yet is not sex-dependent. C57BL/6J mice have on average 46K ± 2K RBPMS+ RGCs per retina, representing a global RGC density of 3268 ± 177 RGCs/mm2. C57BL/6N mice, on the other hand, have on average less RBPMS+ RGCs (41K ± 3K RGCs) and a lower density (3018 ± 189 RGCs/mm2). The vulnerability of the RGC population of the two C57BL/6 substrains to glaucomatous injury did, however, not differ in any of the interrogated parameters. Full article
(This article belongs to the Special Issue Biology of Retinal Ganglion Cells)
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