To this purpose, three versions of a cryptide identified in human ApoB [33,35] have been here tested towards six bacterial strains clinically isolated from CF patients, such as P. aeruginosa RP 73, P. aeruginosa KK 27, P. aeruginosa 14, P. aeruginosa AA2, B. multivorans LMG 17582, and B. cenocepacia LMG 18863. This evidence concerns the gene APOB and cystic fibrosis.