Obesity and cancer are two major health issues all around the world due to their elevated prevalence. Several experimental and epidemiological studies have demonstrated the relationship between obesity and cancer, in which obesity is considered a risk factor for cancer development. The ultimate goal of knowing the epigenetic contribution to the relationship between obesity and cancer is to find the method of intervention or treatment of obesity and cancer. Therefore, providing the most general perspective on epigenetic contribution to the relationship between obesity and cancer is necessary. Obesity is closely related to some common cancers that are currently encountered, including breast, esophagus, liver, kidney, uterus, colorectal, pancreatic, and gallbladder. Obesity has a significant impact that increases the risk of cancer deaths and thereby indirectly affects the choice of treatment. It is estimated that about 4-8% of cancer cases are caused by obesity. In particular, the basic mechanism to understand the relationship between cancer is very complicated and has not been fully understood. This work is aimed at summarizing the current knowledge of the role of epigenetic regulation in the relationship between obesity, and potential applications.
Keywords: Cancer; DNA methylation; Epigenetics; Histone modification; Obesity.
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