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Current Genomics


ISSN (Print): 1389-2029
ISSN (Online): 1875-5488

The Application of Single Nucleotide Polymorphism Microarrays in Cancer Research

Author(s): Xueying Mao, Bryan D. Young and Yong-Jie Lu

Volume 8, Issue 4, 2007

Page: [219 - 228] Pages: 10

DOI: 10.2174/138920207781386924

Price: $65


The development of microarray technology has had a significant impact on the genetic analysis of human disease. The recently developed single nucleotide polymorphism (SNP) array can be used to measure both DNA polymorphism and dosage changes. Our laboratory has applied SNP microarray analysis to uncover frequent uniparental disomies and sub-microscopic genomic copy number gains and losses in different cancers. This review will focus on the wide range of applications of SNP microarray analysis to cancer research. SNP array genotyping can determine loss of heterozygosity, genomic copy number changes and DNA methylation alterations of cancer cells. The same technology can also be used to investigate allelic association in cancers. Therefore, it can be applied to the identification of cancer predisposition genes, oncogenes and tumor suppressor genes in specific types of tumors. As a consequence, they have potential in cancer risk assessment, diagnosis, prognosis and treatment selection.

Keywords: SNP array, cancer, genome-wide analysis, genotyping and copy number change

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