Supplementary Fig. 6: Immunofluorescence staining of ductal subpopulation markers in PDAC tissue.

FFPE tissue was co-stained for KRT19 (duct marker) and subpopulation markers CA9 (a), AQP3 (b), HLA-DR (c), and TFF1 (d), as shown in Fig. 3. Individual signals are shown here in addition to the merged signal to better demonstrate marker co-localization (n = 2). Scale bar, 250 µm.