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Conférences Servier - GRSNC - Université de Montréal

Conférences Servier - GRSNC - Université de Montréal

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DESCARRIES, LaurentTél. bureau: (514) 343-7070Pathologie et biologie cellulaireUniversité <strong>de</strong> MontréalC.P. 6128, Succ. Centre-ville, Montréal (Québec)Fax: (514) 343-5755 Canada H3C 3J7URL site WWW:E-Mail: laurent.<strong>de</strong>scarries@umontreal.ca URL personnel CV:DESCARRIES, LaurentStatut universitaire / University statusProfesseur titulairePathologie et biologie cellulaire et PhysiologieFaculté <strong>de</strong> mé<strong>de</strong>cineUniversité <strong>de</strong> MontréalAppartenance à d'autres groupes / Affiliation with other groupsMembre du Centre <strong>de</strong> recherche en sciences neurologiques (CRSN)Invited Professor, Department of Psychiatry, McGill University (2006-2007)Adjunct Professor, Department of Neurology and Neurosurgery, McGill UniversityFormation / TrainingM.D., Université <strong>de</strong> Montréal, 1961Hôpitaux Notre-Dame et Maisonneuve-Rosemont, Neurologie, 1961-1963Stages <strong>de</strong> recherche, Massachusetts General Hospital, Harvard University, Neurologie et neuropathologie expérimentales, 1963-1966CSPQ, FRCP(C), 1966Postdoctorat, Département <strong>de</strong> Biologie du CEA, Centre d'étu<strong>de</strong>s nucléaires <strong>de</strong> Saclay, France, Neurobiologie cellulaire, 1966-1969Orientation <strong>de</strong> la recherche•Distribution, ultrastructure, développement et capacités adaptatives <strong>de</strong>s neurones à monoamine (dopamine, noradrénaline, sérotonine) et •<strong>de</strong>sneurones à acétylcholine dans le système nerveux central.•Distribution fonctionnelle (cellulaire et subcellulaire) <strong>de</strong>s récepteurs et transporteurs <strong>de</strong>s neurotransmetteurs dans le système nerveux central.Principaux projets en cours:•Internalisation du récepteur 5-HT1A et traitement aux antidépresseurs.•Distribution subcelllulaire et internalisation du récepteur NK1 <strong>de</strong> la substance P dans le noyau raphe dorsalis.•Distribution et ultrastructure <strong>de</strong> l’innervation cholinergique du thalamus.•Co-localisation <strong>de</strong> la tyrosine hydroxylase et du transporteur VGlut2 du glutamate dans les neurones à dopamine.Research orientation•Distribution, fine structure, <strong>de</strong>velopment and adaptive capacities of monoamine (dopamine, noradrenaline, serotonine) andacetylcholine neurons or the central nervous system.•Functional distribution (cellular and subcellular) of neurotransmitter receptors and transporters in the central nervous system.Current research projects:•Internalization of 5-HT1A receptors and anti<strong>de</strong>pressant treatments•Subcellular distribution and internalization of substance P NK1 receptors in nucleus raphe dorsalis.•Distribution and fine structural features of the cholinergic innervation of thalamus.•Co-localization of tyrosine hydroxylase and of the VGlut2 glutamate transporter in dopamine neurons.Publications choisies/Selected publicationsDescarries, L., Mechawar, N. and Aznavour, N. (2004). Structural <strong>de</strong>terminants of the roles of acetylcholine in cerebral cortex. In Acetylcholine in theCerebral Cortex, L. Descarries, K. Krnjevic and M. Steria<strong>de</strong> eds, Progress in Brain Research, Vol. 145, pp 45-58.Riad, M., Zimmer, L., Rbah, L.., Watkins, K. C., Hamon, M. and Descarries, L. (2004). Acute treatment with the anti<strong>de</strong>pressant fluoxetine internalizes5-HT1A autoreceptors and reduces the in vivo binding of the PET radioligand {18F] MPPF in the nucleus raphe dorsalis or rat. J. Neurosci., 24: 5420-5426.Lacoste, B., Riad, M. and Descarries, L. (2006) Immunocytochemical evi<strong>de</strong>nce for the existence of substance P receptor (NK1) in serotoninneurons of rat and mouse dorsal raphe nucleus. Eur. J. Neurosci., 23: 2947-2958Aznavour, N., Rbah, L., Riad, M., Reilhac, A., Costes, N., Descarries, L. and Zimmer, L. (2006) A PET imaging study of 5-HT1A receptorsin cat brain after acute and chronic fluoxetine treatment. NeuroImage, in press.Page 27

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