Cell Cycle, DNA, Complementary, Female, Heterogeneous Nuclear Ribonucleoprotein A1, Heterogeneous-Nuclear Ribonucleoprotein Group A-B, Heterogeneous-Nuclear Ribonucleoproteins, Humans, Lung Neoplasms, Male, Pancreas, Pancreatic Neoplasms, RNA, Reverse Transcriptase Polymerase Chain Reaction, Ribonucleoproteins, Smoking, Tumor Cells, Cultured, Up-Regulation