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Cannabinoid withdrawal syndrome is reduced in pre-proenkephalin knock-out mice

Mostra el registre parcial de l'element Valverde Granados, Olga Maldonado, Rafael, 1961- Valjent, Emmanuel Zimmer, Anne M. Zimmer, Andreas 2012-07-05T06:54:19Z 2012-07-05T06:54:19Z 2000
dc.identifier.citation Valverde O, Maldonado R, Valjent E, Zimmer AM, Zimmer A. Cannabinoid withdrawal syndrome is reduced in pre-proenkephalin knock-out mice. J Neurosci. 2000; 20(24): 9284-9
dc.identifier.issn 0270-6474
dc.description.abstract The functional interactions between the endogenous cannabinoid and opioid systems were evaluated in pre-proenkephalin-deficient mice. Antinociception induced in the tail-immersion test by acute Delta9-tetrahydrocannabinol was reduced in mutant mice, whereas no difference between genotypes was observed in the effects induced on body temperature, locomotion, or ring catalepsy. During a chronic treatment with Delta9-tetrahydrocannabinol, the development of tolerance to the analgesic responses induced by this compound was slower in mice lacking enkephalin. In addition, cannabinoid withdrawal syndrome, precipitated in Delta9-tetrahydrocannabinol-dependent mice by the injection of SR141716A, was significantly attenuated in mutant mice. These results indicate that the endogenous enkephalinergic system is involved in the antinociceptive responses of Delta9-tetrahydrocannabinol and participates in the expression of cannabinoid abstinence.
dc.description.sponsorship This work was supported by European Commission Grant BIOM ED-2/98–2227 and Fondo de Investigaciones Sanitaria Grant 99/0624 (R.M.), Dr. Esteve S.A. Laboratories, and La Fondation des Treilles, and by a grant from the Land Nordrhein-Westfalen (Innovationsprogramm Forschung) (A.Z.).
dc.language.iso eng
dc.publisher Society for Neuroscience
dc.relation.ispartof J Neurosci. 2000; 20(24): 9284-9
dc.rights (c) 2000, Society for Neuroscience. The published version is available at:
dc.subject.other Cannabinoides -- Efectes fisiològics
dc.subject.other Cannabinoides -- Receptors
dc.subject.other Drogoaddicció -- Aspectes moleculars
dc.title Cannabinoid withdrawal syndrome is reduced in pre-proenkephalin knock-out mice
dc.type info:eu-repo/semantics/article
dc.subject.keyword Cannabinoid
dc.subject.keyword Opioid
dc.subject.keyword Mice
dc.subject.keyword Mutation
dc.subject.keyword Withdrawal
dc.subject.keyword Addiction
dc.subject.keyword Tolerance
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion

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