Genomic Alterations in Korean Laryngeal Squamous Cell Carcinoma: Array-Comparative Genomic Hybridization

한국인 후두 편평 상피 세포암의 유전체 이상분석: Array 비교 유전체 보합법

  • Cho, Yoon-Hee (Department of Otolaryngology, Hongik Hospital) ;
  • Park, Soo-Yeun (Department of Anatomy, School of Medicine, Ewha Womans University) ;
  • Lee, Dong-Wook ;
  • Kim, Han-Su (Department of Otolaryngology, School of Medicine, Ewha Womans University) ;
  • Lee, Ja-Hyun (Department of Otolaryngology, School of Medicine, Ewha Womans University) ;
  • Park, Hae-Sang (Department of Otolaryngology, School of Medicine, Ewha Womans University) ;
  • Chung, Sung-Min (Department of Otolaryngology, School of Medicine, Ewha Womans University)
  • 조윤희 (홍익병원 이비인후과) ;
  • 박수연 (이화여자대학교 의학전문대학원 해부학교실) ;
  • 이동욱 ;
  • 김한수 (이화여자대학교 의학전문대학원 이비인후과학교실) ;
  • 이자현 (이화여자대학교 의학전문대학원 이비인후과학교실) ;
  • 박혜상 (이화여자대학교 의학전문대학원 이비인후과학교실) ;
  • 정성민 (이화여자대학교 의학전문대학원 이비인후과학교실)
  • Published : 2008.11.30

Abstract

Head and neck squamous cell carcinoma(HNSCC) still has poor outcome, and laryngeal cancer is the most frequent subtype of HNSCC. Therefore, there is a need to develop novel treatments to improve the outcome of patients with HNSCC. It is critical to gain further understanding on the molecular and chromosomal alteration of HNSCC to identify novel therapeutic targets but genetic etiology of squamous cell carcinoma of the larynx is so complex that target genes have not yet been clearly identified. Array based CGH(array-CGH) allows investigation of general changes in target oncogenes and tumor suppressor genes, which should, in turn, lead to a better understanding of the cancer process. In this study, We used genomic wide array-CGH in tissue specimens to map genomic alterations found in laryngeal squamous cell carcinomas. As results, gains of MAP2, EPHA3, EVI1, LOC389174, NAALADL2, USP47, CTDP1, MASP1, AHRR, and KCNQ5, with losses of SRRM1L, ANKRD19, FLJ39303, ZNF141, DSCAM, GPR27, PROK2, ARPP-21, and B3GAT1 were observed frequently in laryngeal squamous cell carcinoma tissue specimens. These data about the patterns of genomic alterations could be a basic step for understanding more detailed genetic events in the carcinogenesis and also provide information for diagnosis and treatment in laryngeal squamous cell carcinoma. The high resolution of array-CGH combined with human genome database would give a chance to find out possible target genes which were gained or lost clones.

Keywords

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