Emerging molecular classiifcations and therapeutic implications for gastric cancer
- Author:
Chen TAO
1
;
Xu XIAOYUE
;
Zhou PINGHONG
Author Information
1. Endoscopy Center
- Keywords:
Gastric cancer;
Molecular classiifcation;
Personalized therapy;
The Cancer Genome Atlas research network
- From:Chinese Journal of Cancer
2016;35(8):393-402
- CountryChina
- Language:Chinese
-
Abstract:
Gastric cancer (GC) is a highly aggressive and life?threatening malignancy. Even with radical surgical removal and front?line chemotherapy, more than half of GCs locally relapse and metastasize at a distant site. The dismal outcomes relfect the ineffectiveness of a one?size?ifts?all approach for a highly heterogeneous disease with diverse etiological causes and complex molecular underpinnings. The recent comprehensive genomic and molecular proifling has led to our deepened understanding of GC. The emerging molecular classiifcation schemes based on the genetic, epigenetic, and molecular signatures are providing great promise for the development of more effective therapeutic strategies in a more personalized and precise manner. To this end, the Cancer Genome Atlas ( TCGA) research network conducted a comprehensive molecular evaluation of primary GCs and proposed a new molecular classiifcation dividing GCs into four subtypes:Epstein?Barr virus?associated tumors, microsatellite unstable tumors, genomically stable tumors, and tumors with chromosomal instability. This review primarily focuses on the TCGA molecular classiifcation of GCs and discusses the implications on novel targeted therapy strategies. We believe that these fundamental ifndings will sup?port the future application of targeted therapies and will guide our efforts to develop more effcacious drugs to treat human GCs.
