"Cystic Fibrosis is a hereditary disease produced by the absence or malfunctioning of the Cystic Fibrosis Transmembrane Conductase Regulator (CFTR) gene. To date over 1,200 alterations in the DNA composition of the CFTR gene have been detected, although the deletion of the phenylalanine in position 508 (ΔF508) is responsible for more than 70% of the cases described in the European Population. CF i ...