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Neurites undergoing Wallerian degeneration show an apoptotic-like process with annexin V positive staining and loss of mitochondrial membrane potential

Record type: Article

Wallerian degeneration, the disintegration of the distal part of an injured axon, is an important event in many neurodegenerative diseases. We studied Wallerian degeneration in dorsal root ganglion (DRG) explants in culture by separating neurites from their cell bodies with a scalpel. The severed neurites showed Annexin V positive staining, that spreads distally with a rate comparable to that of slow axonal transport in intact neurons in vivo. Moreover, the injured neurites showed loss of mitochondrial membrane potential. These features resemble those seen when cells undergo apoptosis. These data contribute to a new understanding of the mechanism of axonal degeneration, have implications for the response of stromal cells in central nervous system (CNS) and raise the prospect of new pharmacological treatments for those neurodegenerative pathologies where the protection of the cell body alone does not alleviate the disease.

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Citation

Sievers, C., Platt, N., Perry, V.H., Coleman, M.P. and Conforti, L. (2003) Neurites undergoing Wallerian degeneration show an apoptotic-like process with annexin V positive staining and loss of mitochondrial membrane potential Neuroscience Research, 46, (2), pp. 161-169. (doi:10.1016/S0168-0102(03)00039-7).

More information

Published date: June 2003
Keywords: Neuron, Wallerian degeneration, Apoptotic-like cell death, Annexin V, Dorsal root ganglia, Axonal degeneration, Neurite transection
Organisations: Biological Sciences

Identifiers

Local EPrints ID: 56350
URI: http://eprints.soton.ac.uk/id/eprint/56350
ISSN: 0168-0102
PURE UUID: 7abba172-0938-41a3-92db-bffdc1d3f0e1

Catalogue record

Date deposited: 08 Aug 2008
Last modified: 17 Jul 2017 14:31

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Contributors

Author: C. Sievers
Author: N. Platt
Author: V.H. Perry
Author: M.P. Coleman
Author: L. Conforti

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