Molecular analysis of gastric cancer identifies genomic markers of drug sensitivity in Asian gastric cancer.

Molecular analysis of gastric cancer identifies genomic markers of drug sensitivity in Asian gastric cancer.
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胃癌的分子分析确定了亚洲胃癌药物敏感性的基因组标志物

DOI:
10.7150/jca.25506
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发表时间:
2018
期刊:
影响因子:
3.9
通讯作者:
Zhang Z
Zhang Z
中科院分区:
医学3区
文献类型:
--
作者:
Yang Q;Zhu C;Zhang Y;Wang Y;Wang Y;Zhu L;Yang X;Li J;Nie H;Jiang S;Zhang X;Cao X;Li Q;Zhang X;Tian G;Hu L;Zhu L;Zhao G;Zhang Z

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背景:胃癌(GC)是世界范围内,尤其是东亚地区的主要致死性恶性肿瘤之一。抗肿瘤治疗的临床反应通常仅限于一部分患者。研究方法:为了发现对癌症治疗敏感性和耐药性的新生物标志物,我们对72名患者(41名化疗敏感性患者和31名化疗耐药性患者)进行了超深度靶向测序。结果:发现16个突变的癌基因与胃癌化疗中常用的药物有关。这些研究中发现的基因主要涉及肿瘤化疗药物的激活和失活、细胞凋亡和增殖的变化、药物外排、DNA损伤修复以及肿瘤微环境。讨论内容:一组新的化疗敏感性相关基因为克服肿瘤化疗耐药性的发展和演变提供了新的治疗策略。
Background: Gastric cancer (GC) is one of the leading causes of lethal malignancies worldwide, especially in Eastern Asia. Clinical responses to antitumor therapies are often limited to a subset of patients. Methods: To uncover new biomarkers of sensitivity and resistance to cancer therapeutics, we performed ultra-deep targeted sequencing in a cohort with 72 patients (41 with chemotherapy sensitivity and 31 with chemotherapy resistance). Results: We found that sixteen mutated cancer genes were associated with widely used agent in chemotherapy of gastric cancer. Genes identified in these study are mainly involved in activation and inactivation of cancer chemotherapeutic agents, changes of apoptosis and proliferation, drug efflux, DNA damage repair, and the tumor microenvironment. Discussion: A novel group of chemo-sensitivity related genes provided new therapeutic strategies to overcome the development and evolution of resistance to cancer chemotherapy.
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