In order to identify which types of human gastric tumors (intestinal or diffuse type) the C2mE-related mice are more similar to, we compared expression profile of the two types of human gastric cancer with those of K19-C2mE, K19-Wnt1/C2mE, and K19-Nog/C2mE transgenic mice. This evidence concerns the gene WNT1 and gastric cancer.