FFAR4 and cystic fibrosis: After 6 months the number of labeled cells was even lower (GPR120: CF: 6.5 ± 2.1, HF: 2.7 ± 1.7, 0.4 fold decrease, P < 0.0001; TRPM5: CF: 6.1 ± 2.3, HF: 3.2 ± 1.2, 0.5 fold decrease, P < 0.0001) (Figure 3B).