TGFB1 and bronchiectasis: There were increased levels of TGF-β1 in bronchiectasis patients with 1G/1G genotype (1239.0±361.5 pg/ml, n = 8, p<0.0001 to normal subjects and 2G/2G genotype), and 1G/2G genotype (1035.0±386.7 pg/ml, n = 24, p<0.0001 compared to normal subjects and 2G/2G genotype), compared to patients with 2G/2G genotype (400.3±185.5 pg/ml, n = 18) and normal subjects (419.8±126.0 pg/ml, n = 25) (Figure 3).