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X-WR-CALNAME:Bordeaux Neurocampus
X-ORIGINAL-URL:https://www.bordeaux-neurocampus.fr
X-WR-CALDESC:Évènements pour Bordeaux Neurocampus
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DTSTART:20160327T010000
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DTSTART:20161030T010000
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DTSTART;VALUE=DATE:20160209
DTEND;VALUE=DATE:20160210
DTSTAMP:20260424T234233
CREATED:20160209T170633Z
LAST-MODIFIED:20201102T215429Z
UID:19953-1454976000-1455062399@www.bordeaux-neurocampus.fr
SUMMARY:HDR - Etienne Herzog
DESCRIPTION:« Vesicular glutamate transporters contribution to excitatory synapse biology in rodents. » \n\nIn the brain\, neurons communicate with each other mainly through chemical synapses. Within nerve endings\, classical neurotransmitters are loaded into synaptic vesicles by proton-dependent vesicular transporters before their exocytotic release. Glutamate\, the major excitatory transmitter in the brain\, is implicated in most neurophysiological functions. During my PhD Thesis I have contributed to the identification and characterization of three vesicular glutamate transporters (VGLUT) in the rat brain. In the present habilitation document\, I draw a synthesis of the salient features of VGLUTs and explain how this contributes to our better understanding of glutamatergic neurotransmission. \nThis review of the literature shows the complexity of VGLUT function and raises open questions remaining to explore. 4 selected publications illustrate my recent contribution to the field using vglut1venus and vglut1-/- mice. Through these we contributed to the characterisation of a new pool of synaptic vesicles (named super-pool)\, we identified the role of VGLUT1 in the regulation of the super-pool of vesicles\, questioned the presence of VGLUTs at astrocytes and paved the way toward the purification of subclasses of synaptosomes for proteomic studies. From the many perspectives to our work\, I selected a few that are presented in the form of a project. \nPublications récentes \nBiesemann C\, Grønborg M\, Luquet E\, Wichert SP\, Bernard V\, Bungers SR\, Cooper B\, Varoqueaux F\, Li L\, Byrne JA\, Urlaub H\, Jahn O\, Brose N*\, and Herzog E*. (2014) Proteomic screening of glutamatergic mouse brain synaptosomes isolated by fluorescence activated sorting The EMBO Journal\, 33 : 157–170 \nZhang\, C.L.\, Houbaert\, X.\, Lepleux\, M.\, Deshors\, M.\, Normand\, E.\, Gambino\, F.\, Herzog\, E.\, Humeau\, Y. (2014) Hippocampal projections to basolateral amygdala control contextual fear memory expression. Brain Structure and function\, DOI: 10.1007/s00429-014-0882. \nHoubaert X*\, Zhang C-L*\, Gambino F\, Lepleux M\, Deshors M\, Normand E\, Levet F\, Ramos M\, Billuart P\, Chelly J\, Herzog E & Humeau Y (2013)Target-specific vulnerability of excitatory synapses leads to deficits in associative memory in a model of intellectual disorder. The Journal of Neuroscience\, 33: 13805–13819 \nSiksou L*\, Silm K*\, Biesemann C\, Nehring RB\, Wojcik SM\, Triller A\, El Mestikawy S\, Marty S* & Herzog E* (2013) A role for vesicular glutamate transporter 1 in synaptic vesicle clustering and mobility. European Journal of Neuroscience\, 37: 1631–1642 \nLi D\,* Hérault K\,* Silm K\, Evrard A\, Wojcik SM\, Oheim M\, Herzog E*\, and Ropert N* (2013) Lack of Evidence for Vesicular Glutamate Transporter Expression in Mouse Astrocytes. The Journal of Neuroscience\, 33: 4434-4455 \nHerzog E*\, Nadrigny F*\, Silm K*\, Biesemann C\, Helling I\, Bersot T\, Steffens H\, Schwartzmann R\, Nägerl UV\, El Mestikawy S\, Rhee JS\, Kirchhoff F and Brose N. (2011) In Vivo Imaging of Intersynaptic Vesicle Exchange Using VGLUT1Venus Knock-In Mice. The Journal of Neuroscience\, 31\, 15544–15559. \nJury\n\nDr Erwan Bezard – Président\nDr Fekrijé Selimi – Rapporteur\n\nPr Fabio Benfenati -Rapporteur\nDr Bernard Poulain -Rapporteur\nPr Nils Brose – Examinateur\nPr Salah El Mestikawy – Examinateur\n\n\n\nEtienne Herzog\netienne.herzog@u-bordeaux.fr \nTeam Synapse & Cognition\nInterdisciplinary Institute for NeuroScience\nUniversité de Bordeaux \n  \nDernière mise à jour le 14.01.2016 \n
URL:https://www.bordeaux-neurocampus.fr/event/hdr-etienne-herzog/
CATEGORIES:HDR
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