糖尿病和癌症是两大类严重影响全世界人类健康的疾病,随着人类生存环境的改变和生活水平的提高,此二种疾病的发病率有逐年上升趋势。糖尿病和癌症有许多共同的危险因素,大量的流行病学调查提示,与非糖尿病人群比较,糖尿病病人更易罹患癌症,如乳腺癌[1]、大肠癌[2]、前 Diabetes and cancer are two major types of diseases that seriously affect human health worldwide. As the living environment of humans changes and their living standards rise, the incidence of these two diseases has been increasing year by year. Diabetes and cancer have many common risk factors. A large number of epidemiological studies suggest that patients with diabetes are more likely to develop cancer than non-diabetic patients such as breast cancer [1], colorectal cancer [2],