ERBB2 and breast cancer: The panel included 10 basal-like cell lines (BT-20, HCC38, HCC70, HCC1143, HCC1187, HCC1937, Hs-578T, MFA-MB-231, MDA-MB-157 and MDA-MB-468), three cell lines from Luminal A (HCC1428, MCF-7 and T-47D) and six cell lines from HER2-enriched (HCC1419, HCC1954, HCC1569, JUMT-1, KPL-4 and SK-BR-3) breast cancer (Fig. 2D).