Table 1.

Molecular classification of breast cancer cell lines.

Classification	ER	PR	HER2	Example Cell Lines [26,27]
Luminal A	+	+/-	-	MCF7, T47D, SUM185
Luminal B	+	+/-	+	BT474, MDA-MB-361
Claudin-low	-	-	-	MDA-MB-231, BT549
Basal	-	-	-	MDA-MB-468, SUM 190
HER2	-	-	+	SKBR3, MDA-MB-453

ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor 2. The cell lines indicated in bold were used in this study.