Table 1.

Cell lines classification based on carcinoma subtype, PI3K and HER2 status.

Cell line	Tumor subtype	ERBB2	PIK3CA	HER2 expression
SKBR3	Luminal	Amplification	Wild type	3+
MDA-MB-453	Luminal	Amplification	Mutant	2+
MDA-MB-231	Basal-like	No amplification	Wild type	0–1+
MDA-MB-468	Basal-like	No amplification	Wild type	0
BT474TR	Luminal	Amplification	Mutant	3+
JIMT-1	Basoluminal	Amplification	Wild type	2+