Expression patterns of Slit and Robo family members in adult mouse spinal cord and peripheral nervous system

The secreted glycoproteins, Slit1-3, are classic axon guidance molecules that act as repulsive cues through their well characterised receptors Robo1-2 to allow precise axon pathfinding and neuronal migration. The expression patterns of Slit1-3 and Robo1-2 have been most characterized in the rodent d...

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Veröffentlicht in:PloS one 2017-02, Vol.12 (2), p.e0172736-e0172736
Hauptverfasser: Carr, Lauren, Parkinson, David B, Dun, Xin-Peng
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Parkinson, David B
Dun, Xin-Peng
description The secreted glycoproteins, Slit1-3, are classic axon guidance molecules that act as repulsive cues through their well characterised receptors Robo1-2 to allow precise axon pathfinding and neuronal migration. The expression patterns of Slit1-3 and Robo1-2 have been most characterized in the rodent developing nervous system and the adult brain, but little is known about their expression patterns in the adult rodent peripheral nervous system. Here, we report a detailed expression analysis of Slit1-3 and Robo1-2 in the adult mouse sciatic nerve as well as their expression in the nerve cell bodies within the ventral spinal cord (motor neurons) and dorsal root ganglion (sensory neurons). Our results show that, in the adult mouse peripheral nervous system, Slit1-3 and Robo1-2 are expressed in the cell bodies and axons of both motor and sensory neurons. While Slit1 and Robo2 are only expressed in peripheral axons and their cell bodies, Slit2, Slit3 and Robo1 are also expressed in satellite cells of the dorsal root ganglion, Schwann cells and fibroblasts of peripheral nerves. In addition to these expression patterns, we also demonstrate the expression of Robo1 in blood vessels of the peripheral nerves. Our work gives important new data on the expression patterns of Slit and Robo family members within the peripheral nervous system that may relate both to nerve homeostasis and the reaction of the peripheral nerves to injury.
doi_str_mv 10.1371/journal.pone.0172736
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metabolism</topic><topic>Biology and Life Sciences</topic><topic>Blood vessels</topic><topic>Blood Vessels - metabolism</topic><topic>Brain</topic><topic>Cell adhesion &amp; migration</topic><topic>Cell migration</topic><topic>Cell Movement - genetics</topic><topic>Cells (biology)</topic><topic>Dentistry</topic><topic>Dorsal root ganglia</topic><topic>Drosophila</topic><topic>Fibroblasts</topic><topic>Ganglia, Spinal - metabolism</topic><topic>Gene expression</topic><topic>Gene Expression Regulation, Developmental</topic><topic>Glycoproteins</topic><topic>Homeostasis</topic><topic>Immunoglobulins</topic><topic>Insects</topic><topic>Intercellular Signaling Peptides and Proteins - biosynthesis</topic><topic>Intercellular Signaling Peptides and Proteins - metabolism</topic><topic>Mammals</topic><topic>Medicine and Health Sciences</topic><topic>Membrane Proteins - biosynthesis</topic><topic>Membrane Proteins - metabolism</topic><topic>Mice</topic><topic>Motor neurons</topic><topic>Motor Neurons - 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The expression patterns of Slit1-3 and Robo1-2 have been most characterized in the rodent developing nervous system and the adult brain, but little is known about their expression patterns in the adult rodent peripheral nervous system. Here, we report a detailed expression analysis of Slit1-3 and Robo1-2 in the adult mouse sciatic nerve as well as their expression in the nerve cell bodies within the ventral spinal cord (motor neurons) and dorsal root ganglion (sensory neurons). Our results show that, in the adult mouse peripheral nervous system, Slit1-3 and Robo1-2 are expressed in the cell bodies and axons of both motor and sensory neurons. While Slit1 and Robo2 are only expressed in peripheral axons and their cell bodies, Slit2, Slit3 and Robo1 are also expressed in satellite cells of the dorsal root ganglion, Schwann cells and fibroblasts of peripheral nerves. In addition to these expression patterns, we also demonstrate the expression of Robo1 in blood vessels of the peripheral nerves. Our work gives important new data on the expression patterns of Slit and Robo family members within the peripheral nervous system that may relate both to nerve homeostasis and the reaction of the peripheral nerves to injury.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>28234971</pmid><doi>10.1371/journal.pone.0172736</doi><tpages>e0172736</tpages><oa>free_for_read</oa></addata></record>
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subjects Animals
Axon guidance
Axons
Axons - metabolism
Biology and Life Sciences
Blood vessels
Blood Vessels - metabolism
Brain
Cell adhesion & migration
Cell migration
Cell Movement - genetics
Cells (biology)
Dentistry
Dorsal root ganglia
Drosophila
Fibroblasts
Ganglia, Spinal - metabolism
Gene expression
Gene Expression Regulation, Developmental
Glycoproteins
Homeostasis
Immunoglobulins
Insects
Intercellular Signaling Peptides and Proteins - biosynthesis
Intercellular Signaling Peptides and Proteins - metabolism
Mammals
Medicine and Health Sciences
Membrane Proteins - biosynthesis
Membrane Proteins - metabolism
Mice
Motor neurons
Motor Neurons - metabolism
Nerve Tissue Proteins - biosynthesis
Nerve Tissue Proteins - genetics
Nerve Tissue Proteins - metabolism
Nervous system
Neurons
Peripheral nerves
Peripheral nervous system
Peripheral Nervous System - metabolism
Phosphorylation
Physiological aspects
Proteins
Receptors
Receptors, Immunologic - biosynthesis
Receptors, Immunologic - metabolism
Research and Analysis Methods
Rodents
Roundabout Proteins
Satellite cells
Schwann cells
Sciatic nerve
Sciatic Nerve - metabolism
Sensory neurons
Sensory Receptor Cells - metabolism
Sensory receptors
Slit protein
Spinal cord
Spinal Cord - metabolism
title Expression patterns of Slit and Robo family members in adult mouse spinal cord and peripheral nervous system
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