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Differential expression of caveolin-1 in a panel of human breast cell lines. (a, i) The protein levels of caveolin-1 were examined using immunoblotting of the whole cell lysates from the non-malignant MCF-10A cells and various breast cancer cell lines. (a, ii) Densitometry was performed to quantify the protein levels of caveolin-1. MCF-10A (non-malignant), MCF-7 and T47-D (non-invasive ERα-positive), MDA-MB-231 and Hs578T (highly invasive ERα-negative) cells.
