When FA was supplemented, BDF rats presented lower caspase-9 expression (F(3.20) = 9.96, p < 0.01) and higher levels of TIMP-1 (F(3.20) = 10.5, p < 0.001), even higher than CF rats (F(3.20) = 4.9, p < 0.05). This evidence concerns the gene CASP9 and cystic fibrosis.