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Mayo Clinic launches whole genome breast cancer study
Date:4/9/2012

ROCHESTER, Minn. -- The Breast Cancer Genome Guided Therapy Study (BEAUTY Project) will help physicians tailor chemotherapy to breast cancer patients based on their individual genomes and the genomes of their tumors. Mayo Clinic researchers will obtain three whole genome sequences: one from the patients' healthy cells before treatment, and two tumor genomes one before chemotherapy and one after. Patients will be paired with mouse "avatars" that will help physicians identify the best treatment for each person.

VIDEO ALERT: Audio and video resources are available on the Mayo Clinic News Blog(http://newsblog.mayoclinic.org/2012/04/05/mayo-clinic-launches-whole-genome-breast-cancer-study/).

"What is so exciting about this study is that it has the potential to really bring individualized medicine to our patients," says Matthew Goetz, M.D., Mayo oncologist and study co-leader. "It will transform how we conduct breast cancer research and how drug therapies are delivered to women with breast cancer."

In phase one of the BEAUTY Project, researchers will study the first 200 participants to look for common mutations that allow some tumors to adapt and thrive during chemotherapy. This information will help doctors identify new drugs and treatment strategies.

Women diagnosed with "high-risk" cancers who are scheduled to receive standard chemotherapy before surgery will have their healthy genome and their breast cancer tumor cells sequenced before treatment, and then receive the commonly prescribed chemotherapy to shrink the tumor. At surgery, the residual cancer tumor cells will be sequenced again to evaluate how they have mutated and adapted to chemotherapy.

In addition, patients' tumor tissue will be kept alive by implanting cell lines in immune-compromised mice -- before and after chemotherapy. The use of these mou
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Contact: Robert Nellis
newsbureau@mayo.edu
507-284-5005
Mayo Clinic
Source:Eurekalert

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