Jacques Pouyssegur1, José López-Barneo2. 1. Centre Scientifique de Monaco (CSM), Monaco; Institute for Research on Cancer & Aging (IRCAN), Centre A. Lacassagne, University of Nice-Sophia Antipolis, Nice, France. Electronic address: pouysseg@unice.fr. 2. Institute of Biomedicine of Seville (IBiS), Hospital Universitario Virgen del Rocío/CSIC /Universidad de Sevilla. Electronic address: lbarneo@us.es.