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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2006-1-17
pubmed:abstractText
The previous study showed involvement of spinal glia in tetanically sciatic stimulation-induced long-term potentiation (LTP) of C-fiber-evoked field potentials in the spinal dorsal horn. In the present study, the electrophysiological recording and paw withdrawal threshold (PWT) to von Frey stimulation were assessed following unilaterally tetanically sciatic stimulation in rats. Tetanic stimuli elicited LTP of both A- and C-fiber-evoked field potentials. After stimulation with the same parameter, bilateral PWTs to mechanical stimuli decreased. Intrathecal administration of fluorocitrate (1 nmol/10 microl), an astrocyte inhibitor, partially inhibited tetanic stimulation-induced reduction of bilateral PWTs. A similar effect also occurred at the contralateral side. And this bilateral inhibition of mechanical threshold lasted 8 days. Similarly, intrathecal administration of d-amino acid oxygenase (50 microg/mul, 10 microl), D-serine inhibitor, partially inhibited tetanic sciatic stimulation-induced reduction of bilateral PWTs for 24 h. The results showed that spinal glia plays an important role in bilaterally mechanical allodynia by tetanic sciatic stimulation of the sciatic nerve.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0006-291X
pubmed:author
pubmed:issnType
Print
pubmed:day
24
pubmed:volume
340
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1264-72
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Involvement of spinal glia in tetanically sciatic stimulation-induced bilateral mechanical allodynia in rats.
pubmed:affiliation
Institute of Neurobiology, Fudan University, Shanghai 200433, PR China.
pubmed:publicationType
Journal Article