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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
7
pubmed:dateCreated
2003-11-19
pubmed:abstractText
Intrathecal administration of prostaglandin E(2) (PGE(2)) produces mechanical hyperalgesia, thermal hyperalgesia, and touch-evoked allodynia in rats. Experiments were conducted to examine the effects of intrathecal administration of relatively selective PGE(2) receptor (EP receptor) agonists to establish which spinal EP receptors mediate these behavioral effects of spinally administered PGE(2). Administration of either sulprostone (EP(3) receptor agonist) or PGE(1) alcohol (EP(4) receptor agonist) produced marked mechanical and thermal hyperalgesia and touch-evoked allodynia. Neither 17-phenyl trinor PGE(2) (EP(1) receptor agonist) nor butaprost (EP(2) receptor agonist) produced any significant changes in behavioral response thresholds to mechanical or thermal stimuli. However, 17-phenyl trinor PGE(2) (EP(1) receptor agonist) did produce marked touch-evoked allodynia. These data suggest that in rats activation of spinal EP(3) and EP(4) receptors by PGE(2) is important for development of both mechanical and thermal hyperalgesia as well as for touch-evoked allodynia. PGE(2)-induced allodynia also appears to involve activation of spinal EP(1) receptors.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
1526-5900
pubmed:author
pubmed:issnType
Print
pubmed:volume
4
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
392-9
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2003
pubmed:articleTitle
Spinal EP receptors mediating prostaglandin E2-induced mechanical hyperalgesia, thermal hyperalgesia, and touch-evoked allodynia in rats.
pubmed:affiliation
Department of Psychology, University of Alabama at Birmingham, Birmingham, AL, USA.
pubmed:publicationType
Journal Article