Black Americans’ risk for breast cancer gains clarity in analysis of 40,000 genomes
Hundreds of genetic variants can nudge someone’s risk of breast cancer up or down or towards a particular subtype. The studies identifying those gene variants, though, have largely involved people with European ancestry and thus give a less accurate picture of breast cancer risk for people who are not white.
That’s beginning to change. Last week, researchers published a genome-wide association study on breast cancer in roughly 40,000 people of African descent in Nature Genetics, marking a leap forward in scientists’ knowledge of breast cancer genetics in people of African ancestry.
