Co-expression of putative stemness and epithelial-to-mesenchymal transition markers on single circulating tumour cells from patients with early and metastatic breast cancer

Table 1 Quantification of ALDH1 expression levels in cancer cell lines using the ARIOL system

ALDH1 expression levels	HepG2		SKBR3		MCF7		MDA.MB.231
	Range	Median ± SE^a	Range	Median ± SE^a	Range	Median ± SE^a	Range	Median ± SE^a
High	5 – 25	15 ± 0.25	10 – 25	15 ± 0.23	20 – 25	20 ± 0.11	15 – 25	20 ± 0.18
Low	30 – 55	45 ± 0.30	35 – 55	45 ± 0.29	35 – 55	45 ± 0.29	30 – 55	45 ± 0.29
Negative	60 – 90	70 ± 0.30	60 – 90	80 ± 0.39	60 – 90	75 ± 0.29	60 – 100	80 ± 0.46