An updated review of gastric cancer in the next-generation sequencing era: Insights from bench to bedside and vice versa

Hiroyuki Yamamoto, Yoshiyuki Watanabe, Tadateru Maehata, Ryo Morita, Yoshihito Yoshida, Ritsuko Oikawa, Shinya Ishigooka, Shun Ichiro Ozawa, Yasumasa Matsuo, Kosuke Hosoya, Masaki Yamashita, Hiroaki Taniguchi, Katsuhiko Nosho, Hiromu Suzuki, Hiroshi Yasuda, Yasuhisa Shinomura, Fumio Itoh

研究成果: Article査読

53 被引用数 (Scopus)

抄録

Gastric cancer (GC) is one of the most common malignancies and remains the second leading cause of cancer-related death worldwide. There is an increasing understanding of the roles that genetic and epigenetic alterations play in GCs. Recent studies using nextgeneration sequencing (NGS) have revealed a number of potential cancer-driving genes in GC. Whole-exome sequencing of GC has identified recurrent somatic mutations in the chromatin remodeling gene ARID1A and alterations in the cell adhesion gene FAT4, a member of the cadherin gene family. Mutations in chromatin remodeling genes (ARID1A, MLL3 and MLL) have been found in 47% of GCs. Whole-genome sequencing and whole-transcriptome sequencing analyses have also discovered novel alterations in GC. Recent studies of cancer epigenetics have revealed widespread alterations in genes involved in the epigenetic machinery, such as DNA methylation, histone modifications, nucleosome positioning, noncoding RNAs and microRNAs. Recent advances in molecular research on GC have resulted in the introduction of new diagnostic and therapeutic strategies into clinical settings. The antihuman epidermal growth receptor 2 (HER2) antibody trastuzumab has led to an era of personalized therapy in GC. In addition, ramucirumab, a monoclonal antibody targeting vascular endothelial growth factor receptor (VEGFR)-2, is the first biological treatment that showed survival benefits as a single-agent therapy in patients with advanced GC who progressed after firstline chemotherapy. Using NGS to systematically identify gene alterations in GC is a promising approach with remarkable potential for investigating the pathogenesis of GC and identifying novel therapeutic targets, as well as useful biomarkers. In this review, we will summarize the recent advances in the understanding of the molecular pathogenesis of GC, focusing on the potential use of these genetic and epigenetic alterations as diagnostic biomarkers and novel therapeutic targets.

本文言語English
ページ(範囲)3927-3937
ページ数11
ジャーナルWorld Journal of Gastroenterology
20
14
DOI
出版ステータスPublished - 2014 4

ASJC Scopus subject areas

  • Gastroenterology

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