NEW STUDY SAYS BRCA-1 AND BRCA-2 GENES CAN PREDICT CANCER RISKS EVEN MORE ACCURATELY

Apr 08, 2015

By Jane Brown

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We’ve known from earlier research that an increased risk of breast and ovarian cancers is linked to mutations in the BRCA-1 and BRCA-2 genes.

Now, a new U.S. study examining those genes may predict risks even more accurately.

Researchers studied more than 19,000 women with the BRCA-1 mutation and close to 12,000 women with the BRCA-2 mutation from 33 countries.

They discovered that different types of mutations led to different levels of risk in different organs.

For instance, one BRCA-2 mutation led to an increased risk of breast cancer, while another mutation of the same gene led to an increased risk of ovarian cancer.

 

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