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BRCA1

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BRCA1 on tuumorisuppressorigeeni, jonka tietyt mutaatiot johtavat altistumiseen rinta- ja munasarjasyöville. Ne kasvattavat myös miesten rintasyöpävaaraa ja voivat nostaa muidenkin syöpien riskejä. Rintasyöpään sairastuu noin 60 prosenttia naisista, joilla on haitallinen mutaatio BRCA1- tai BRCA2-geenissä. 15–40 prosenttia sairastuu munasarjasyöpään.[1]

Geeni on 17. kromosomissa ja osallistuu DNA:n virheiden korjaukseen.[2]

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BRCA1
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