Integrated analysis of homozygous deletions, focal amplifications, and sequence alterations in breast and colorectal cancers

Abstract excerpt

We have performed a genome-wide analysis of copy number changes in breast and colorectal tumors using approaches that can reliably detect homozygous deletions and amplifications. We found that the number of genes altered by major copy number changes, deletion of all copies or amplification to at least 12 copies per cell, averaged 17 per tumor. We have integrated these data with previous mutation analyses of the...

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