Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1996-3-20
pubmed:abstractText
Partial peripheral nerve injury often leads to chronic neuropathic pain characterized by symptoms such as allodynia. In the present study, employing a rat model of experimental neuropathy produced by partial denervation of the tail, we examined whether peripheral nerve injury-induced mechanical and thermal allodynia were affected by the animal's age at the time of the injury. The motive of this study was the demonstration in other neuropathy models of the age effects on the manifestation of neuropathic pain symptoms following partial peripheral nerve injury. We compared two groups of young (n = 23, 7-8 weeks old, 150-200 g) and old rats (n = 14, 16-18 months old, 550-800 g). We found that the older rats exhibited more vigorously the behavioral signs of mechanical allodynia during the first week after the nerve injury. With respect to thermal (cold or warm) allodynia, however, we detected no significant difference between young and old rat groups. The results of the present study, as those of previous studies, support the idea that the age at the time of partial peripheral nerve injury affects the severity of certain neuropathic pain symptoms appearing after the injury. However, the present results argue against the suggestion from previous studies that younger subjects are more vulnerable to partial peripheral nerve injury-induced neuropathic pain symptoms.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0304-3940
pubmed:author
pubmed:issnType
Print
pubmed:day
20
pubmed:volume
199
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
158-60
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1995
pubmed:articleTitle
Mechanical allodynia is more strongly manifested in older rats in an experimental model of peripheral neuropathy.
pubmed:affiliation
Neuroscience Research Institute, College of Medicine, Korea University, Seoul, Korea.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't