Journal
LIFE SCIENCES
Volume 68, Issue 11, Pages 1317-1321Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0024-3205(00)01018-3
Keywords
pain; inflammation; cyclooxygenase; carrageenan
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The effect of resveratrol, an aryl hydrocarbon receptor (AhR) antagonist, known to inhibit inducible cyclooxygenase-2 (COX2) and its transcription were examined in a model of hyperalgesia induced by carrageenan in the rat. Pretreatment with resveratrol did not reverse swelling and edema, but reversed the hyperalgesia induced by local tissue injury provoked by carrageenan. This reversal, occurring at resveratrol concentrations as low as 2 mg/kg, lasted for at least 48 hours. The link with COX2 activity inhibition and COX2 gene transcription, as well as a potential AhR inhibitory effect, remain to be established. (C) 2001 Elsevier Science Inc. All rights reserved.
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