抗辐射性
放射治疗
癌症
癌症研究
癌细胞
DNA修复
DNA损伤
生物
谷氨酰胺
医学
生物信息学
内科学
氨基酸
DNA
生物化学
作者
Yilin Yu,Jie Yu,Shengfang Ge,Yun chao Su,Xianqun Fan
摘要
Currently, cancer treatment mainly consists of surgery, radiotherapy, chemotherapy, immunotherapy, and molecular targeted therapy, of which radiotherapy is one of the major pillars.However, the occurrence of radioresistance largely limits its therapeutic effect.Metabolic reprogramming is an important hallmark in cancer progression and treatment resistance.In radiotherapy, DNA breakage is the major mechanism of cell damage, and in turn, cancer cells are prone to increase the metabolic flux of glucose, glutamine, serine, arginine, fatty acids etc., thus providing sufficient substrates and energy for DNA damage repair.Therefore, studying the linkage between metabolic reprogramming and cancer radioresistance may provide new ideas for improving the efficacy of tumor therapy.This review mainly focuses on the role of metabolic alterations, including glucose, amino acid, lipid, nucleotide and other ion metabolism, in radioresistance, and proposes possible therapeutic targets to improve the efficacy of cancer radiotherapy.
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