Table 1. Overview on proportion of cells with different stem cell properties for MCF-7 and MDA-MB-231 cells.

Cell line	Control siRNA			Sdc-1 siRNA
	SP	ALDH	CD44+/CD24-	SP	ALDH	CD44+/CD24-
MDA-MB-231	1.55% (±0.65%)	4.63% (±0.31%)	85.60% (±2.13%)	0.62% (±0.36%)	3.39% (±0.19%)	79.67% (±2.81%)
MCF-7	0.68% (±0.5%)	1.44% (±0.9%)	0,56% (±0,71%)	0.31% (±0.3%)	0.69% (±0.6%)	1,11% (±1,43%)

Data are shown as mean ± SD from at least 3 independent experiments.