Basic & Clinical Medicine ›› 2020, Vol. 40 ›› Issue (7): 986-989.

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Research of relation between glial cell line-derived neurotrophic factor and digestive system tumor

WANG Xiao-juan, LI Xiao-li, JIN Zheng-xu, ZHANG De-kui*   

  1. Department of Gastroenterology, the Second Hospital of Lanzhou University, Lanzhou 730000, China
  • Received:2019-10-24 Revised:2020-03-22 Online:2020-07-05 Published:2020-06-29
  • Contact: *sczdk1972@163.com

Abstract: Abnormal expression of GDNF (glial cell line-derived neurotrophic factor) and its receptor(RET) are associated with the emergence and development of tumors in the digestive system. GDNF and RET are associated with peripheral nerve invasion with a dose-dependent manner in pancreatic cancer, while RET(-) cancer cells lose the ability to invade and destroy nerves. RET mutations promote the proliferation, migration and survival of colon cancer cells, and are associated with poor prognosis of colon cancer patients. GDNF can promote the angiogenesis of liver cancer tissues independently of vasogenic growth factor, providing sufficient nutrition for the growth and invasion of tumor cells. Methylation of the GFR 3 promoter was found in gastric cancer, and the degree of methylation was negatively related to postoperative survival of patients.

Key words: glial cell line-derived neurotrophic factor(GDNF), liver cancer, colorectal cancer, pancreatic cancer, gastric cancer

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