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Rapport annuel complet - GRSNC - Université de Montréal

Rapport annuel complet - GRSNC - Université de Montréal

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GIROUARD, HélèneTél. (514) 343-6111 ext.32786 PharmacologieUniversité <strong>de</strong> MontréalC.P. 6128, Succ. Centre-ville, MontréalFax (514) 343-2291 Canada H3C 3J7URL site WWW:E-Mail: helene.girouard@umontrreal.ca URL personnel CV:GIROUARD, HélèneStatut universitaire / University statusChercheure adjointePharmacologieFaculté <strong>de</strong> mé<strong>de</strong>cineUniversité <strong>de</strong> MontréalAppartenance à d'autres groupes / Affiliation with other groupsMembre associé du Groupe <strong>de</strong> recherche sur le système nerveux central (<strong>GRSNC</strong>)Membre du Groupe <strong>de</strong> recherche universitaire sur le Médicament (GRUM)Centre <strong>de</strong> recherche <strong>de</strong> l’Institut Universitaire <strong>de</strong> Gériatrie <strong>de</strong> Montréal (CRIUGM)Réseau Québécois <strong>de</strong> Recherche sur le Vieillissement (RQRV)Formation / TrainingPostdoc, University of Vermont, Pharmacologie, 2006-2008Postdoc, Weill Medical College of Cornell University, Neurobiologie, 2003-2006Ph.D., Université <strong>de</strong> Montréal, Physiologie, 1996-2002M.Sc., Université du Québec à Montréal, Biologie, 1993-1996A.R.C.T., Royal Music Conservatory of Toronto, Guitare classique, 1993-1995B.Sc., Université du Québec à Montréal, Biologie, 1991-1993Orientations <strong>de</strong> la recherche• Étu<strong>de</strong> <strong>de</strong>s mécanismes cellulaires et moléculaire du couplage neurovasculaire et <strong>de</strong> leurs dysfonctions reliées à l’hypertension et auvieillissement.• Étu<strong>de</strong>s <strong>de</strong>s dysfonctions neurovasculaires reliées à la démence et aux troubles cognitifs.• I<strong>de</strong>ntification <strong>de</strong>s voies <strong>de</strong> signalisation responsables <strong>de</strong> la communication astrocyto-vasculaire.Principaux projets en cours:• Etu<strong>de</strong> <strong>de</strong>s mécanismes responsable <strong>de</strong>s dysfonctions du couplage neurovasculaire chez la souris hypertendue.• Etu<strong>de</strong> <strong>de</strong>s mécanismes par lesquels les thérapies anti-hypertensives préviennent la démence et les dysfonctions cognitives.• Etu<strong>de</strong> <strong>de</strong>s mécanismes <strong>de</strong> modulation <strong>de</strong> la signalisation calcique et <strong>de</strong> l’activité <strong>de</strong>s canaux potassiques astrocytaires en fonctionResearch orientations• Cellular and molecular mechanisms un<strong>de</strong>rlying neurovascular coupling and their dysfunctions related to hypertension and ageing.• Neurovascular impairment in <strong>de</strong>mentia and cognitive dysfunctions.• I<strong>de</strong>ntification of signaling pathways un<strong>de</strong>rlying astrocyte-vascular communication.Current research projects:• Study of the mechanisms un<strong>de</strong>rlying neurovascular coupling impairment in hypertensive mice.• Study of the mechanisms by which anti-hypertensive therapies prevent cognitive dysfunctions and <strong>de</strong>mentia.• Study of astrocytic calcium signaling and potassium channel activity modulation mechanisms in function of vascular reactivity.Publications choisies/Selected publicationsGirouard H, Wang G, Gallo EF, Anrather J, Zhou P, Pickel VM, Ia<strong>de</strong>cola C. NMDA receptor activation increases free radical production through nitric oxi<strong>de</strong>and NOX2. J. Neurosc. 2009; 29(8): 2545-2552.Girouard H, Lessard A, Capone C, Milner TA, Ia<strong>de</strong>cola C. The neurovascular dysfunction induced by angiotensin II in the mouse neocortex is sexuallydimorphic.Am J Physiol Heart Circ Physiol. 2008; 294(1): H156-H163.Girouard H, Park L, Anrather J, Zhou P, Ia<strong>de</strong>cola C. Cerebrovascular nitrosative stress mediates neurovascular and endothelial dysfunction induced byangiotensin II. ATVB. 2007; 27(2): 303-309.Girouard H, Park L, Anrather J, Zhou P, Ia<strong>de</strong>cola C. Angiotensin II attenuates endothelium-<strong>de</strong>pen<strong>de</strong>nt responses in the cerebral microcirculation throughnox-2-<strong>de</strong>rived radicals. ATVB. 2006; 26(4):826-832.Girouard H, Ia<strong>de</strong>cola C. Invited Review: Neurovascular coupling in the normal brain and in hypertension, stroke and Alzheimer disease. J. Appl. Physiol.2006; 100(1): 328-335.Page 37

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