BRCA1

What is BRCA1?

BRCA1 meaning BRCA1 or "Breast Cancer 1," is a genetic mutation that is present in about two-thirds of heritable breast cancers and a smaller number of heritable ovarian cancers. Only about 5% of the female breast cancer in the world is attributable to having the BRCA1 mutation.This is a gene on chromosome 17 that normally helps to suppress cell growth. A person who inherits certain mutations (changes) in a BRCA1 gene has a higher risk of getting breast, ovarian, prostate, and other types of cancer. For additional information, see http://www.cancer.gov/cancertopics/genetics/brca-fact-sheet

 

reference: national Cancer Institute – Glossary for Registrars

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