TP53 and pancreatic neoplasm: The expression levels of miR-34a were significantly lower in the pancreatic cancer cell lines MIA-PaCa-2 and MIA-PaCa-2+pLXSN than those of MIA-PaCa2 cells that were stably transfected with vector encoding WT-TP53 (MIA-PaCa-2+WT-TP53) (Figure 3A).