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A Fast Axonally Transported Protein of the Frog Sciatic Sensory Axons Undergoes Similar Qualitative Changes During Regeneration In Vitro and In Vivo

Remgård, Pär; Ekström, Per A R LU and Edström, Anders LU (1991) In Journal of Neurochemistry 57(6). p.1907-1912
Abstract

The adult frog sciatic sensory neurons have been shown to regenerate in vitro. If a crush injury is made at the beginning of culture, regeneration starts after 3.4 days and proceeds at a rate of ∼0.8 mm/day for several days. Two‐dimensional gel electrophoresis was used to study the patterns of radiolabeled, fast axonally transported proteins during the first 7 days of regeneration. Interest was focused on one protein, referred to as rrp31 (regeneration‐related protein 31), which changed in apparent pl from 4.9 to 5.3 when the outgrowth of new fibers started. The change was noticeable 3 days after injury and became prominent during day 5 of culturing. By day 7 the pl changed again, this time toward the original value. The in vitro... (More)

The adult frog sciatic sensory neurons have been shown to regenerate in vitro. If a crush injury is made at the beginning of culture, regeneration starts after 3.4 days and proceeds at a rate of ∼0.8 mm/day for several days. Two‐dimensional gel electrophoresis was used to study the patterns of radiolabeled, fast axonally transported proteins during the first 7 days of regeneration. Interest was focused on one protein, referred to as rrp31 (regeneration‐related protein 31), which changed in apparent pl from 4.9 to 5.3 when the outgrowth of new fibers started. The change was noticeable 3 days after injury and became prominent during day 5 of culturing. By day 7 the pl changed again, this time toward the original value. The in vitro results were supported by experiments in vivo. In this case the change occurred earlier, with a peak only 3 days after injury, after which the pl decreased. If adenosine at 1 mM was included in the culturing medium, the outgrowth of sensory axons was inhibited in a nontoxic way, and the pl changes of rrp31 were prevented. The temporal nature of the pl changes suggests a role for rrp31 in the initiation of the regeneration process. Copyright © 1991, Wiley Blackwell. All rights reserved

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Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
frog sciatic nerve, axonal transport
in
Journal of Neurochemistry
volume
57
issue
6
pages
6 pages
publisher
Wiley-Blackwell
external identifiers
  • Scopus:0025885643
ISSN
0022-3042
DOI
10.1111/j.1471-4159.1991.tb06402.x
language
English
LU publication?
yes
id
56722773-4037-4302-aefc-cfe5ac5968fa
date added to LUP
2016-12-07 14:36:42
date last changed
2017-01-25 16:29:06
@article{56722773-4037-4302-aefc-cfe5ac5968fa,
  abstract     = {<p>The adult frog sciatic sensory neurons have been shown to regenerate in vitro. If a crush injury is made at the beginning of culture, regeneration starts after 3.4 days and proceeds at a rate of ∼0.8 mm/day for several days. Two‐dimensional gel electrophoresis was used to study the patterns of radiolabeled, fast axonally transported proteins during the first 7 days of regeneration. Interest was focused on one protein, referred to as rrp31 (regeneration‐related protein 31), which changed in apparent pl from 4.9 to 5.3 when the outgrowth of new fibers started. The change was noticeable 3 days after injury and became prominent during day 5 of culturing. By day 7 the pl changed again, this time toward the original value. The in vitro results were supported by experiments in vivo. In this case the change occurred earlier, with a peak only 3 days after injury, after which the pl decreased. If adenosine at 1 mM was included in the culturing medium, the outgrowth of sensory axons was inhibited in a nontoxic way, and the pl changes of rrp31 were prevented. The temporal nature of the pl changes suggests a role for rrp31 in the initiation of the regeneration process. Copyright © 1991, Wiley Blackwell. All rights reserved</p>},
  author       = {Remgård, Pär and Ekström, Per A R and Edström, Anders},
  issn         = {0022-3042},
  keyword      = {frog sciatic nerve,axonal transport},
  language     = {eng},
  number       = {6},
  pages        = {1907--1912},
  publisher    = {Wiley-Blackwell},
  series       = {Journal of Neurochemistry},
  title        = {A Fast Axonally Transported Protein of the Frog Sciatic Sensory Axons Undergoes Similar Qualitative Changes During Regeneration In Vitro and In Vivo},
  url          = {http://dx.doi.org/10.1111/j.1471-4159.1991.tb06402.x},
  volume       = {57},
  year         = {1991},
}