Abstract
Abstract The ability to study genome-wide sequence alterations in cancer genomes has transformed our understanding of the intricacies of this disease. We have applied whole genome sequencing and analysis to tease apart the genomic predictors of aromatase inhibitor (AI) response, by selecting luminal breast cancer cases obtained within a clinical trial of aromatase inhibitor treatment (ACOSOG Z1031). Our study compared the constitutional genome to the cancer genome for patients that exhibit either a response or a resistance phenotype, based on their Ki67 IHC score following 4 month AI treatment and resection. My talk will highlight the process by which these genomes are sequenced and analyzed, and will provide our most recent insights into how the combination of the constitutional and somatic genomes determine whether a patient will respond to AI treatment. Citation Information: Cancer Res 2010;70(24 Suppl):Abstract nr ES7-1.
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