Journal
ANATOMY AND EMBRYOLOGY
Volume 206, Issue 5, Pages 337-347Publisher
SPRINGER
DOI: 10.1007/s00429-002-0301-6
Keywords
dorsal root ganglia; neuroglial cell plasticity; nerve damage; dye coupling; neuron-glia interactions
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This study investigated satellite cell changes in mouse L4 and L5 spinal ganglia 14 days after unilateral transection of sciatic and saphenous nerves. The ganglia were studied under the electron microscope in single and serial sections, and by dye injection. Satellite cell responses to axon injury of the neurons with which they are associated included the formation of bridges connecting previously separate perineuronal sheaths and the formation of new gap junctions, resulting in more extensive cell coupling. Some possible consequences of these satellite cell reactions are briefly discussed.
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