Breast cancer genes linked to secondary leukaemia

THE genes that increase susceptibility to breast cancer may also make survivors more likely to develop secondary leukaemia, a small study suggests.

The finding, from a retrospective study of 88 women with leukaemia who had previously received cytotoxic treatment for breast cancer, suggests not all secondary leukaemia is therapy-related.

Researchers from the University of Chicago found that one in five of the cohort, drawn from a therapy-related leukaemia (TRL) registry, had deleterious mutations in the breast cancer susceptibility genes BRCA1, BRCA2, p53, CHEK2 and PALB2.

“Many of

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