BRCA1 and breast carcinoma: BRCA1 (Breast Cancer 1): Gene expression levels for all cybrids (L, [A+B], and D) did not significantly change after treatment with cisplatin compared to untreated-control cybrids (n = 7, n = 4, n = 3, p = 0.356, p = 0.294, p = 0.158, respectively) (Tables 3–4).