Article (Scientific journals)
Slit2 is a repellent for retinal ganglion cell axons.
NICLOU, Simone P.; Jia, L; Raper, J A
2000In Journal of Neuroscience, 20 (13), p. 4962-74
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Keywords :
Glycoproteins; Intercellular Signaling Peptides and Proteins; Nerve Tissue Proteins; Recombinant Proteins; Semaphorin-3A; Nerve Growth Factor; R6FXH13RRC (Slit homolog 2 protein); Animals; Axons/drug effects/physiology; Brain/physiology; Cattle; Cell Membrane/physiology; Chick Embryo; Ganglia, Spinal/embryology; Glycoproteins/pharmacology; Humans; Mice; Nerve Fibers/physiology; Nerve Growth Factor/pharmacology; Nerve Tissue Proteins/genetics/pharmacology/physiology; Organ Culture Techniques; Recombinant Proteins/metabolism/pharmacology; Retinal Ganglion Cells/drug effects/physiology; Transcription, Genetic
Abstract :
[en] We set out to isolate inhibitory guidance cues that affect retinal ganglion cell (RGC) axons in vitro and that could potentially be involved in RGC pathfinding decisions. Here we describe the biochemical purification of an RGC growth cone collapsing factor from bovine brain membranes and its identification as Slit2. Recombinant human Slit2 collapses and repels RGC growth cones from all quadrants of the chick retina. In the developing mouse visual system, slit2 is expressed in the eye, in the optic stalk, and in the ventral diencephalon. Slit2 expression is strong in anterior ventral diencephalic structures but is absent from the ventral midline where the optic chiasm forms. The putative receptors for Slits, robo1 and robo2, are expressed in the inner retinal layer in which RGCs are located. A comparison of the expression patterns of Slit2 and retinal axon trajectories suggests that slit2 acts as a short range repellent for retinal ganglion cell axons.
Disciplines :
Oncology
Author, co-author :
NICLOU, Simone P. ;  Department of Neuroscience, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA.
Jia, L
Raper, J A
External co-authors :
yes
Language :
English
Title :
Slit2 is a repellent for retinal ganglion cell axons.
Publication date :
01 July 2000
Journal title :
Journal of Neuroscience
ISSN :
0270-6474
eISSN :
1529-2401
Publisher :
Society for Neuroscience, Washington, United States - District of Columbia
Volume :
20
Issue :
13
Pages :
4962-74
Peer reviewed :
Peer Reviewed verified by ORBi
Funding number :
R01 NS026527/NS/NINDS NIH HHS/United States; R01-NS26527/NS/NINDS NIH HHS/United States; R01-NS33656/NS/NINDS NIH HHS/United States
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