Research Article

Evidence for the Existence of Triple-Negative Variants in the MCF-7 Breast Cancer Cell Population

Figure 3

(a) Relative expression of estrogen receptor (ER), progesterone receptor (PR), HER2 and epidermal growth factor (EGFR) in MCF10A (immortalised breast epithelial cells), MCF-7 and its sublines, MDA-MB-231 (triple-negative), and SKBr3 (HER2 positive) breast cancer cell lines. Tubulin is shown as loading control. (b) Relative expression of estrogen receptor (ER) in MCF-7 and its sublines cultured without fulvestrant. (c) Relative expression of CK5 in BT20 (CK5 positive), MCF-7 and its sublines. Tubulin is shown as loading control.
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