Outlooks on Epstein-Barr virus associated gastric cancer.

Outlooks on Epstein-Barr virus associated gastric cancer.
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DOI:
10.1016/j.ctrv.2018.03.006
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发表时间:
2018-05
影响因子:
11.8
通讯作者:
Lenz HJ
Lenz HJ
中科院分区:
医学1区
文献类型:
--
作者:
Naseem M;Barzi A;Brezden-Masley C;Puccini A;Berger MD;Tokunaga R;Battaglin F;Soni S;McSkane M;Zhang W;Lenz HJ

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EB病毒相关胃癌(EBVaGC)约占胃癌的10%。多种因素导致肿瘤的发生,包括EBV驱动的抑癌基因的高甲基化、胃粘膜的炎性改变、EBV引起的宿主免疫逃避以及细胞周期途径的改变。EBVaGC独特的分子特征,如程序性死亡配体1(PD-L1)过表达,突出了使用EBV作为免疫治疗反应生物标志物的潜力。很少有研究报道免疫疗法对EBV阳性癌症的益处,目前正在进行研究检查点抑制剂对EBVaGC影响的临床试验。本文综述了EBVaGC的分子病理生理学、流行病学、临床特征和治疗进展。
Epstein-Barr virus associated gastric cancer (EBVaGC) comprises approximately 10% of gastric carcinomas. Multiple factors contribute to tumorigenesis, including EBV driven hypermethylation of tumor suppressor genes, inflammatory changes in gastric mucosa, host immune evasion by EBV and changes in cell cycle pathways. The unique molecular characteristics of EBVaGC, such as programmed death ligand 1 (PD-L1) overexpression, highlight the potential for using EBV as a biomarker for response to immunotherapy. Few studies have reported benefit from immunotherapy in EBV positive cancers, and clinical trials investigating the impact of checkpoint inhibitors in EBVaGC are currently underway. This review provides the most recent updates on molecular pathophysiology, epidemiology, clinical features and treatment advances pertaining to EBVaGC.
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