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Differential ability of two adult molluscan neurons to regenerate electrical synapses

Differential ability of two adult molluscan neurons to regenerate electrical synapses The ability of two electrical synapses (neuron L4‐R4 and neuron L19‐R19) to regenerate in the adult Helisoma nervous system was examined. The L4‐R4 electrical connection exhibited rapid restoration to 50% of normal strength, whereas L19‐R19 reconnection was weak or absent. This disparity is attributable to the inability of neuron 19 to sprout effectively across a crush site in the buccal commissure, although peripheral sprouting was pronounced. The factors which underlie the inability of neuron 19 (but not neuron 4) to sprout into a central environment are unknown, but dictate differential synapse restoration in this adult nervous system. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Developmental Neurobiology Wiley

Differential ability of two adult molluscan neurons to regenerate electrical synapses

Developmental Neurobiology , Volume 16 (5) – Sep 1, 1985

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References (19)

Publisher
Wiley
Copyright
Copyright © 1985 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1932-8451
eISSN
1932-846X
DOI
10.1002/neu.480160506
Publisher site
See Article on Publisher Site

Abstract

The ability of two electrical synapses (neuron L4‐R4 and neuron L19‐R19) to regenerate in the adult Helisoma nervous system was examined. The L4‐R4 electrical connection exhibited rapid restoration to 50% of normal strength, whereas L19‐R19 reconnection was weak or absent. This disparity is attributable to the inability of neuron 19 to sprout effectively across a crush site in the buccal commissure, although peripheral sprouting was pronounced. The factors which underlie the inability of neuron 19 (but not neuron 4) to sprout into a central environment are unknown, but dictate differential synapse restoration in this adult nervous system.

Journal

Developmental NeurobiologyWiley

Published: Sep 1, 1985

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