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Whole Genome Sequencing of Triple Negative Breast Cancer Reveals Previously Unreported Mutations
Date:12/6/2012

CARLSBAD, Calif., Dec. 6, 2012 /PRNewswire/ -- Whole genome sequencing has revealed previously unreported mutations in metastatic triple-negative breast cancer (TNBC), according to a study published by the journal Molecular Cancer Therapeutics.

The study, "Genome and transcriptome sequencing in prospective triple negative breast cancer uncovers therapeutic vulnerabilities," was sponsored by the Translational Genomics Research Institute (TGen) and US Oncology Research with support from Life Technologies Corporation (NASDAQ: LIFE) and is currently available online.

"The study underscores the potential clinical utility of genomic sequencing to improve cancer care," said Paul Billings, M.D., Ph.D., chief medical officer at Life Technologies. "Our hope is that in the not too distant future, sequencing will become available to many more patients and physicians."

In a sample of 14 tumors from ethnically diverse metastatic TNBC patients, the researchers found significant mutations and other changes in more than a dozen genes through whole-genome sequencing performed on Life Technologies' Applied Biosystems SOLiD™ 4.0 platform. The most frequently mutated gene among the tumors (seven of 14) was the TP53 tumor suppressor, and aberrations were observed in additional tumor suppressor genes including CTNNA1, which was detected in two of six African-American patients (who typically have more aggressive and treatment-resistant disease). Alterations were also seen in the ERBB4 gene, known to be involved in mammary-gland maturation during pregnancy and lactation, but not previously linked to metastatic TNBC.

The study included an "outlier analysis," which assessed expression patterns for each tumor when compared against the other tumor
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SOURCE Life Technologies Corporation
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