An Integrated View of Copy Number and Allelic Alterations in the Cancer Genome Using Single Nucleotide Polymorphism Arrays

Xiaojun Zhao, Cheng Li, J. Guillermo Paez, Kwang-Yung Chin, Pasi A. Jänne, Tzu Hsiu Chen, Luc Girard, John Minna, David Christiani, Chris Leo, Joe Gray, William R. Sellers, Matthew Meyerson

Research output: Contribution to journalArticle

430 Citations (Scopus)

Abstract

Changes in DNA copy number contribute to cancer pathogenesis. We now show that high-density single nucleotide polymorphism (SNP) arrays can detect copy number alterations. By hybridizing genomic representations of breast and lung carcinoma cell line and lung tumor DNA to SNP arrays, and measuring locus-specific hybridization intensity, we detected both known and novel genomic amplifications and homozygous deletions in these cancer samples. Moreover, by combining genotyping with SNP quantitation, we could distinguish loss of heterozygosity events caused by hemizygous deletion from those that occur by copy-neutral events. The simultaneous measurement of DNA copy number changes and loss of heterozygosity events by SNP arrays should strengthen our ability to discover cancer-causing genes and to refine cancer diagnosis.

Original languageEnglish (US)
Pages (from-to)3060-3071
Number of pages12
JournalCancer Research
Volume64
Issue number9
DOIs
StatePublished - May 1 2004
Externally publishedYes

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Single Nucleotide Polymorphism
DNA Copy Number Variations
Genome
Loss of Heterozygosity
Neoplasms
Lung
Neoplasm Genes
Tumor Cell Line
Breast Neoplasms
DNA

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

An Integrated View of Copy Number and Allelic Alterations in the Cancer Genome Using Single Nucleotide Polymorphism Arrays. / Zhao, Xiaojun; Li, Cheng; Paez, J. Guillermo; Chin, Kwang-Yung; Jänne, Pasi A.; Chen, Tzu Hsiu; Girard, Luc; Minna, John; Christiani, David; Leo, Chris; Gray, Joe; Sellers, William R.; Meyerson, Matthew.

In: Cancer Research, Vol. 64, No. 9, 01.05.2004, p. 3060-3071.

Research output: Contribution to journalArticle

Zhao, X, Li, C, Paez, JG, Chin, K-Y, Jänne, PA, Chen, TH, Girard, L, Minna, J, Christiani, D, Leo, C, Gray, J, Sellers, WR & Meyerson, M 2004, 'An Integrated View of Copy Number and Allelic Alterations in the Cancer Genome Using Single Nucleotide Polymorphism Arrays', Cancer Research, vol. 64, no. 9, pp. 3060-3071. https://doi.org/10.1158/0008-5472.CAN-03-3308
Zhao, Xiaojun ; Li, Cheng ; Paez, J. Guillermo ; Chin, Kwang-Yung ; Jänne, Pasi A. ; Chen, Tzu Hsiu ; Girard, Luc ; Minna, John ; Christiani, David ; Leo, Chris ; Gray, Joe ; Sellers, William R. ; Meyerson, Matthew. / An Integrated View of Copy Number and Allelic Alterations in the Cancer Genome Using Single Nucleotide Polymorphism Arrays. In: Cancer Research. 2004 ; Vol. 64, No. 9. pp. 3060-3071.
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