Table 1.

Breast cell lines examined for paralemmin-1 mRNA and protein expression

Cell Line	Donor Age	Pathology	ER	Paralemmin-1 Expression
				RNA	Protein (kDa)
MCF-7	69	IDC	Pos	medium	65, 55
T47D	54	IDC	Pos	low	65*
ZR-75-1	47	IDC	Pos	medium	65*, 55
BT-20	74	IDC	Neg1	low	65, 55
TMX2-284	69	IDC	Neg	high	65, 55
MDA-MB-231	51	Adeno	Neg	low	none
MCF-10A	36	NE	Neg	medium	65
1842	15-66	NE	Neg	low	none
184A13	15-66	NE	Neg	low	none
184AA23	15-66	NE	Neg	low	none

¹BT-20 cells express ER mRNA, but do not express ER protein; ²Non-tumorigenic mammary cell line from Dr. Martha Stamfer’s Laboratory ³Derivative of 184 cells; ⁴Derivative of MCF-7 cells IDC: Invasive ductal carcinomas Adeno: Adenocarcinoma; NE: Normal epithelial; Sources: [6-8]; *indicates a faint band.