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The new study found that the immune cells in breast tissue of healthy women carrying BRCA1 or BRCA2 gene mutations show signs of malfunction known as 'exhaustion'
Preventing breast cancer without resorting to surgery
Researchers at the University of Cambridge have created the world's largest catalog of human breast cells, which has revealed early cell changes in healthy carriers of BRCA1 and BRCA2 gene mutations.
The findings are seen as a breakthrough in breast cancer treatment.
Everyone has BRCA1 and BRCA2 genes, but mutations in these genes - which can be inherited - increase the risk of breast and ovarian cancer. The study found