Figure 2

Mouse pancreatic cancers originate from pancreatic ductal cells. (a) Double staining of ductal cell marker CK-19 and EGFP. Scale bars: 20 μm. (b) The counted results of ductal cells and acinar cells positive for EGFP staining in a. (c) Double staining for EGFP and CK-19 on the pancreatic cancer tissue induced by oncogenic lentivirus-expressing EGFP. Scale bars: 40 μm.