A Aiello1, G Accardi1, C Giuseppina1, C M Gambino1, M E Ligotti1, S Vasto2, C Caruso1. 1. Department of Pathobiology and Medical Biotechnologies (DIBIMED) - University of Palermo, Palermo, Italy. 2. Department of Biological Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Palermo, Italy.