Integrated Analyses of Breast and Colorectal Cancers
Genome-wide analysis of copy number changes in breast and colorectal tumors used approaches that can reliably detect homozygous deletions and amplifications. The number of genes altered by major copy number changes-deletion of all copies or amplification of at least twelve copies per cell-averaged thirteen per tumor. These data were integrated with previous mutation analyses of the Reference Sequence genes in these same tumor types to identify genes and cellular pathways affected by both copy number changes and point alterations. Pathways enriched for genetic alterations include those controlling cell adhesion, intracellular signaling, DNA topological change, and cell cycle control. These analyses provide an integrated view of copy number and sequencing alterations on a genome-wide scale and identify genes and pathways that are useful for cancer diagnosis and therapy.
VOGELSTEIN BERT [US]; KINZLER KENNETH W [US]; LEARY REBECCA J [US]; VELCULESCU VICTOR E [US]
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