Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-2
pubmed:dateCreated
1994-4-4
pubmed:abstractText
In prior studies, rats with a chronic constriction injury to the sciatic nerve have been found to have small- to medium-sized, pyknotic, and hyperchromatic neurons ('dark neurons'; DNs) in spinal dorsal horn laminae I-III. It has been proposed that DNs are produced by an excitotoxic insult involving N-methyl-D-aspartate receptor activation subsequent to ectopic nociceptor discharge, and that at least some DNs are inhibitory interneurons whose functional impairment or death contributes to a central state of hyperexcitability that underlies neuropathic hyperalgesia and allodynia. We show here that laminae I-III DNs are also present 2 days after a surgical procedure that does not include major nerve damage. We propose that this is also the result of a nociceptor-driven excitotoxic insult and that the functional impairment of the affected neurons may contribute to postoperative pain and tenderness.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0304-3940
pubmed:author
pubmed:issnType
Print
pubmed:day
12
pubmed:volume
162
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
78-80
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Does pain damage spinal cord neurons? Transsynaptic degeneration in rat following a surgical incision.
pubmed:affiliation
Department of Orthopaedics, University of Göteborg, Sahlgren Hospital, Sweden.
pubmed:publicationType
Journal Article