Carcinoma, Pancreatic Ductal/pathology; Neoplasms, Experimental/pathology; Pancreatic Neoplasms/pathology; Protein Kinase C-delta/metabolism; Aged; Animals; Blotting, Western; Carcinoma, Pancreatic Ductal/enzymology; Carcinoma, Pancreatic Ductal/genetics; Cell Line, Tumor; Cell Movement/drug effects; Cell Proliferation/drug effects; Culture Media, Serum-Free/pharmacology; Disease Progression; Female; Humans; Immunohistochemistry; Lung Neoplasms/enzymology; Lung Neoplasms/genetics; Lung Neoplasms/secondary; Male; Mice; Middle Aged; Mitogen-Activated Protein Kinase 1/metabolism; Mitogen-Activated Protein Kinase 3/metabolism; Neoplasms, Experimental/enzymology; Neoplasms, Experimental/genetics; Pancreatic Neoplasms/enzymology; Pancreatic Neoplasms/genetics; Phosphatidylinositol 3-Kinases/metabolism; Protein Kinase C-delta/genetics; Proto-Oncogene Proteins c-akt/metabolism; Signal Transduction; Transplantation, Heterologous