http://www.cnr.it/ontology/cnr/individuo/prodotto/ID172760
Arvanil, anandamide and N-arachidonoyl-dopamine (NADA) inhibit emesis through cannabinoid CB1 and vanilloid TRPV1 receptors in the ferret (Articolo in rivista)
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- Arvanil, anandamide and N-arachidonoyl-dopamine (NADA) inhibit emesis through cannabinoid CB1 and vanilloid TRPV1 receptors in the ferret (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
Sharkey, K. A (1).; Cristino, L.(2); Oland, L. D.(1); Van Sickle, M. D.(1); Starowicz, K.(3); Pittman, Q. J.(1); Guglielmotti, V.(2); Davison, J. S.(1); Di Marzo, V.(3) (2007)
Arvanil, anandamide and N-arachidonoyl-dopamine (NADA) inhibit emesis through cannabinoid CB1 and vanilloid TRPV1 receptors in the ferret
in European journal of neuroscience (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Sharkey, K. A (1).; Cristino, L.(2); Oland, L. D.(1); Van Sickle, M. D.(1); Starowicz, K.(3); Pittman, Q. J.(1); Guglielmotti, V.(2); Davison, J. S.(1); Di Marzo, V.(3) (literal)
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- 1: Hotchkiss Brain Institute and Institute of Infection, Immunity and Inflammation, Department of Physiology & Biophysics, University of Calgary, Calgary, Alberta, Canada 2: Endocannabinoid Research Group, Istituto di Cibernetica, CNR, 80078 Pozzuoli, Naples, Italy 3: Endocannabinoid Research Group, Istituto di Chimica Biomolecolare, CNR, 80078 Pozzuoli, Naples, Italy (literal)
- Titolo
- Arvanil, anandamide and N-arachidonoyl-dopamine (NADA) inhibit emesis through cannabinoid CB1 and vanilloid TRPV1 receptors in the ferret (literal)
- Abstract
- Cannabinoid (CB) agonists suppress nausea and vomiting (emesis). Similarly, transient receptor potential vanilloid-1 (TRPV1) receptor agonists are anti-emetic. Arvanil, N-(3-methoxy-4-hydroxy-benzyl)-arachidonamide, is a synthetic `hybrid' agonist of CB1 and TRPV1 receptors. Anandamide and N-arachidonoyl-dopamine (NADA) are endogenous agonists at both these receptors. We investigated if arvanil, NADA and anandamide were anti-emetic in the ferret and their mechanism of action. All compounds reduced the episodes of emesis in response to morphine 6 glucuronide. These effects were attenuated by AM251, a CB1 antagonist that was pro-emetic per se, and TRPV1 antagonists iodoresiniferatoxin and AMG 9810, which were without pro-emetic effects. Similar sensitivity to arvanil and NADA was found for prodromal signs of emesis. We analysed the distribution of TRPV1 receptors in the ferret brainstem and, for comparison, the co-localization of CB1 and TRPV1 receptors in the mouse brainstem. TRPV1 immunoreactivity was largely restricted to the nucleus of the solitary tract of the ferret, with faint labeling in the dorsal motor nucleus of the vagus and sparse distribution in the area postrema. A similar distribution of TRPV1, and its extensive co-localization with CB1, was observed in the mouse. Our findings suggest that CB1 and TRPV1 receptors in the brainstem play a major role in the control of emesis by agonists of these two receptors. While there appears to be an endogenous `tone' of CB1 receptors inhibiting emesis, this does not seem to be the case for TRPV1 receptors, indicating that endogenously released endocannabinoids/endovanilloids inhibit emesis preferentially via CB1 receptors. (literal)
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