- - 1 Ligand-regulated internalization of the ORL1 receptor: a confocal study Abbreviated title: ORL1 receptor endocytosis Maïthé Corbani‡‡, Christophe Gonindard‡ and Jean-Claude Meunier From the Institut de Pharmacologie et de Biologie Structurale, Centre National de la Recherche Scientifique, Toulouse, and ‡the Institut Européen de Biologie Cellulaire, Ramonville-Sainte-Agne, France. ‡‡ : to whom correspondence and reprint requests should be addressed. Corresponding author : Maïthé CORBANI, Institut de Pharmacologie et de Biologie Structurale, CNRS-UMR5089, 205 route de Narbonne 31017 Toulouse cedex 4 (France) Tel : +33 5 61 17 59 56 ; Fax : +33 5 61 17 59 97 ; e-mail : maithe.corbani@ipbs.fr Key words: G protein-coupled receptor; green fluorescent protein; nociceptin/orphanin FQ; endocytosis. Grants : This work was supported in part by grants from the Association pour la Recherche sur le Cancer (ARC, n° 9428) and the European Commission (n° BMH4 CT97 2317). Endocrinology. First published March 11, 2004 as doi:10.1210/en.2004-0062 Copyright (C) 2004 by The Endocrine Society