1. INSERM U413, Laboratory of Cellular & Molecular Neuroendocrinology, European Institute for Peptide Research (IFRMP 23), University of Rouen, 76821 Mont-Saint-Aignan, France; INSERM U533, Laboratory of Cellular & Molecular Physiopathology & Pharmacology, University of Nantes, 44322 Nantes, France; and IdRS, 11 rue des Moulineaux, 92150 Suresnes, France