The development of the 80-gene BluePrint profile, which sorts breast cancers into three biological types that differed in response to chemotherapy before surgery.
The 80-gene profile classified tumours as luminal-type, HER2-type or basal-type. In the neoadjuvant cohort, 56 per cent of patients in the basal-type group and 50 per cent in the HER2-type group had a pathological complete response.
Gene activity can refine the subtype that standard receptor staining gives.
Shares Biomarker, Breast cancer (all types).
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