Pathogenic roles of alterations in vitamin D and vitamin D receptor in gastric tumorigenesis
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Chao Du1,2, Shiming Yang1, Xiaoyan Zhao1 and Hui Dong1,3
1 Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
2 Department of Gastroenterology and Hepatology, Chengdu Military General Hospital, Chengdu, Sichuan Province, China
3 Division of Gastroenterology, Department of Medicine, School of Medicine, University of California, San Diego, California, USA
Xiaoyan Zhao, email:
Hui Dong, email:
Keywords: vitamin D, vitamin D receptor, gastric cancer, tumorigenesis
Received: December 10, 2016 Accepted: January 20, 2017 Published: February 11, 2017
Gastric cancer is currently the second leading cause of cancer-related death worldwide, especially in Japan, Korea and China, and the 5-year survival rate of gastric cancer is less than 30%. Thus, it is important to shed more lights on novel agents to prevent gastric cancer or to improve survival rate of the patients. Vitamin D not only maintains calcium and bone homeostasis, but also mostly inhibits tumor genesis, invasion, and metastasis through activation of vitamin D receptor. Although epidemiological results are not consistent, accumulating evidence from gastric cancer cells, animal models, and clinical trials suggest that vitamin D deficiency may increase the risk and mortality of gastric cancer, but vitamin D supplement might be a safe and economical way to prevent or treat gastric cancer. Here, we reviewed the current studies on vitamin D and its receptor and focused on the pathogenic roles of their alterations in gastric tumorigenesis.
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