CFTR and cystic fibrosis: Consistent with previous results using the MATG1061 antibody in freshly isolated nasal and bronchial epithelia cells [3], [5], [21] and freshly excised human tissue [7], [22] we found that the majority of non-CF cells showing a strong CFTR signal were TCE cells and CFTR appeared as a discrete band at the apical pole (Fig. 1B).