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A 41-year-old member asked:

What is the hereditary breast cancer gene?

3 doctor answers8 doctors weighed in
Dr. Heidi Fowler
Psychiatry 25 years experience
Mutations to: Brca1 and brca2 is associated with the most common inheritable breast cancer.
Dr. Michael Hulse
Gynecology 27 years experience
BRCA 1 and BRCA 2: Your healthcare provider needs to be aware of your family history to be able to assess risk of certain cancers and to determine if genetic testing is appropriate. Having a brca mutation increases your risk of breast and ovarian cancer. Being aware of your cancer risk allows the opportunity to take action to prevent cancer.
Dr. Carlos Encarnacion
Medical Oncology 35 years experience
Wsh I had more space: BRCA 1 and 2 are important genes that have the purpose of repairing damaged DNA and destroying the one that can't be repaired, amongst other things. When they get mutated (or changed) in specific places, they quit working so the damaged DNA is left in there, resulting in the development of cancer.

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Last updated May 28, 2017
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