A. Schematic representation of the differentiation
protocol until day 80. B. Representative examples of the expression
of mature markers of basal cells, NGFR and KRT14, after culturing RUES2 ESC to
day 80 according to the protocol shown in A (representative of n=6 independent
experiments, inset scale bar: 20μM). DE, definitive endoderm; AFE,
anterior foregut endoderm; LP, lung progenitor.