Loss of heterozygosity at chromosome 14q is associated with poor prognosis in head and neck squamous cell carcinomas.

Abstract:

PURPOSE AND METHODS:Loss of heterozygosity (LOH) in a chromosomal location indicates the presence of an inactivated tumor suppressor gene (TSG). Inactivation of TSG has a functional role in the tumorigenesis of head and neck squamous cell carcinoma (HNSCC). Based on the recent evidences of a putative TSG on chromosome 14, we examined LOH on chromosome 14q using eight polymorphic microsatellite markers in 50 cases of HNSCCs. RESULTS:Three regions were detected to have a high LOH rate which included 14q21.2-22.3 (42.5%), 14q31 (55%), and 14q32.1 (37%). The correlation between LOH and clinicopathological findings was investigated through statistical analyses. A strong correlation was observed between the highest LOH marker and the overall and disease-free survival. CONCLUSIONS:The results suggest that the distal part of chromosome 14 may host a TSG that may lead to the development and/or progression of HNSCCs. Several genes such as CHES1, BMP4, SAV, and PNN have arisen as candidate tumor suppressors in the region.

authors

Pehlivan D,Gunduz E,Gunduz M,Nagatsuka H,Beder LB,Cengiz B,Rivera RS,Fukushima K,Palanduz S,Ozturk S,Yamanaka N,Shimizu K

doi

10.1007/s00432-008-0423-1

subject

Has Abstract

pub_date

2008-12-01 00:00:00

pages

1267-76

issue

12

eissn

0171-5216

issn

1432-1335

journal_volume

134

pub_type

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