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Methods Mol Biol. 2009;567:145-54. doi: 10.1007/978-1-60327-414-2_10.

Use of SNP-arrays for ChIP assays: computational aspects.

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1
Max-Delbrück Center for Molecular Medicine, Berlin, Germany.

Abstract

The simultaneous genotyping of thousands of single nucleotide polymorphisms (SNPs) in a genome using SNP-Arrays is a very important tool that is revolutionizing genetics and molecular biology. We expanded the utility of this technique by using it following chromatin immunoprecipitation (ChIP) to assess the multiple genomic locations protected by a protein complex recognized by an antibody. The power of this technique is illustrated through an analysis of the changes in histone H4 acetylation, a marker of open chromatin and transcriptionally active genomic regions, which occur during differentiation of human myoblasts into myotubes. The findings have been validated by the observation of a significant correlation between the detected histone modifications and the expression of the nearby genes, as measured by DNA expression microarrays. This chapter focuses on the computational analysis of the data.

PMID:
19588091
DOI:
10.1007/978-1-60327-414-2_10
[Indexed for MEDLINE]
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