The caudo-ventral pallium is a novel pallial domain expressing Gdf10 and generating Ebf3-positive neurons of the medial amygdala

In rodents, the medial nucleus of the amygdala receives direct inputs from the accessory olfactory bulbs and is mainly implicated in pheromone-mediated reproductive and defensive behaviors. The principal neurons of the medial amygdala are GABAergic neurons generated principally in the caudo-ventral medial ganglionic eminence and preoptic area. Beside GABAergic neurons, the medial amygdala also contains glutamatergic Otp-expressing neurons cells generated in the lateral hypothalamic neuroepithelium and a non-well characterized Pax6-positive population. In the present work, we describe a novel glutamatergic Ebf3-expressing neuronal subpopulation distributed within the periphery of the postero-ventral medial amygdala. These neurons are generated in a pallial domain characterized by high expression of Gdf10. This territory is topologically the most caudal tier of the ventral pallium and accordingly, we named it Caudo-Ventral Pallium (CVP). In the absence of Pax6, the CVP is disrupted and Ebf3-expressing neurons fail to be generated. Overall, this work proposes a novel model of the neuronal composition of the medial amygdala and unravels for the first time a new novel pallial subpopulation originating from the CVP and expressing the transcription factor Ebf3.This work was supported by Grants of the French National Research Agency (Agence Nationale de la Recherche; ANR) [ANR-13-BSV4-0011] and by the French Government through the ‘Investments for the Future’ LABEX SIGNALIFE [ANR-11-LABX-0028-01] to M.S., by the Spanish Government (BFU2007-60263 and BFU2010-17305) to A.F, and by the Medical Research Council (MR/K013750/1) to T.T. N.R.-R. is funded by a postdoctoral fellowship from the Ville de Nice, France (“Aide Individuelle aux Jeunes Chercheurs 2016”).Peer reviewe

A922 Sequential measurement of 1 hour creatinine clearance (1-CRCL) in critically ill patients at risk of acute kidney injury (AKI)

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ESICM LIVES 2016: part two : Milan, Italy. 1-5 October 2016.

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