TRPM5 and cystic fibrosis: Within the upper half of the oxyntic glands after 3 weeks the number of TRPM5 cells was increased 1.6 fold (CF: 6.2 ± 1.8, HF: 9.8 ± 2.0, P < 0.0001) and after 6 months 1.8 fold (CF: 5.2 ± 1.2, HF: 9.3 ± 2.8, P < 0.0001).