We found that the number of both vimentin- and α-SMA-positive cells was decreased in tumors from the Shi-Re and Pi-Xu ZHENG models of pancreatic cancer compared with the control tumor, while tumors from the Xue-Yu model exhibited no changes in CAF activity (Figures 2(a) and 2(b)). This evidence concerns the gene ACTA1 and pancreatic neoplasm.