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. Author manuscript; available in PMC: 2009 Jun 11.
Published in final edited form as: J Cell Sci. 2008 Mar 4;121(Pt 7):1002–1013. doi: 10.1242/jcs.019315

Fig. 4.

Fig. 4

Promoter activity in EpCAM-positive cells. P0 cells in early (4–7 day) intermediate (14–21 day) and late (30 day) cultures. (a) Cells with advancement along fibroblast-like morphology. (b-d) GFP expression in P0 cells transduced with lentiviral vector using PGK, Alb and TTR promoters. (e,f) Late P0 cultures with CK-19 staining (e, red color) and merged image showing coexpression of GFP under TTR promoter (f, green color=GFP; arrows indicate CK-19-GFP coexpressing cells). (g,h) Epithelial cells in P3 cultures with merged images of CK-19 immunostaining and GFP under either TTR (g) or Alb promoter (h) (arrows). DAPI nuclear counterstain (blue). Magnification: ×200.