BRCA1 and neoplasm: Furthermore, Jazaeri and Konstantinopolous in their studies showed about the gene expression profile of BRCAness, which was prepared from the publicly available microarray data set that included tumour expression data from 61 patients with pathologically confirmed EOC, including 34 with BRCA germline mutations (n = 18, BRCA1; n = 16, BRCA2), and 27 without either mutation (i.e., sporadic cancers).