MicroRNA-based molecular classification of non-BRCA1/2 hereditary breast tumours

Abstract excerpt

BACKGROUND: Hereditary breast cancer comprises 5-10% of all breast cancers. Mutations in two high-risk susceptibility genes, BRCA1 and BRCA2, along with rare intermediate-risk genes and common low-penetrance alleles identified, altogether explain no more than 45% of the high-risk breast cancer families, although the majority of cases are unaccounted for and are designated as BRCAX tumours. Micro RNAs have called...

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