1997
DOI: 10.1016/s0024-3205(97)00155-0
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Peripheral noxious stimulation releases spinal PGE2 during the first phase in the formalin assay of the rat

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Cited by 29 publications
(11 citation statements)
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“…Behavioral and eletrophysiological studies have indicated that spinal cyclooxygenase products, i.e., prostaglandins are involved in the nociceptive effect of formalin (Malmberg and Yaksh, 1992a;Chapman and Dickenson, 1992). In fact, increase in prostaglandin levels following formalin administration has been demonstrated by (Scheuren et al, 1997) and recently, (Park et al, 2000) suggested that PGE 2 may act as a retrograde messenger in the EAAs-induced spinal hyperalgesia.…”
Section: Discussionmentioning
confidence: 99%
“…Behavioral and eletrophysiological studies have indicated that spinal cyclooxygenase products, i.e., prostaglandins are involved in the nociceptive effect of formalin (Malmberg and Yaksh, 1992a;Chapman and Dickenson, 1992). In fact, increase in prostaglandin levels following formalin administration has been demonstrated by (Scheuren et al, 1997) and recently, (Park et al, 2000) suggested that PGE 2 may act as a retrograde messenger in the EAAs-induced spinal hyperalgesia.…”
Section: Discussionmentioning
confidence: 99%
“…In contrast to PGE 2 , PGD 2 may be involved in anti-inflammatory processes [4,5]. An injection of formalin for instance into a rat hind paw leads to a rapid PGE 2 increase in the spinal cord within minutes which is mainly caused by constitutively expressed COX-1 [3,6,7]. In these experiments microdialysis was used to collect the samples and immunoassays to determine PGE 2 concentrations, but the role of PGD 2 is unclear.…”
Section: Introductionmentioning
confidence: 99%
“…Les prostaglandines, et particulière-ment la PGE2, sont libérées dans la corne postérieure de la moelle épinière lors d'une stimulation nociceptive périphé-rique [47,67], d'une inflammation périphérique [22,31,63], de l'injection systémique de cytokines [63] ou de l'administration de substances activant la transmission médullaire du message nociceptif (Substance P, NMDA, Kaïnate) [37,86]. Cette libération est réduite par des inhibiteurs mixtes des COX ou des inhibiteurs sélectifs de la COX2 [73].…”
Section: Mécanisme De L'action Centrale Des Ains : Quelles Hypothèses ?unclassified