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Chromosome 16 tumor-suppressor genes in breast cancer

✍ Scribed by Emad A. Rakha; Andrew R. Green; Des G. Powe; Rebecca Roylance; Ian O. Ellis

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 134 KB
Volume: 45
Category: Article
ISSN: 1045-2257
DOI: 10.1002/gcc.20318

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✦ Synopsis

Abstract

Loss of heterozygosity on the long arm of chromosome 16 is one of the most frequent genetic events in breast cancer, suggesting the presence of one or more classic tumor‐suppressor genes (TSGs). It has been shown that E‐cadherin is the TSG on 16q in lobular tumors. In a search for the target genes in more frequently occurring low‐grade nonlobular tumors, the smallest region of overlap (SRO) in this area of the genome has been exhaustively searched for. However, the results have demonstrated remarkable complexity, and so a clear consensus on identification of the SRO boundaries has not been reached. Several genes in the vicinity of these SROs have been scrutinized as putative TSGs in breast cancer, but so far, none has fulfilled the criteria for target genes. This review discusses the complexity of the 16q region and the different approaches that have been, are being, and will be used to detect the target genes in this area. © 2006 Wiley‐Liss, Inc.

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