Cells were stained with the following antibodies from Biolegend (San Diego, CA): allophycocyanin (APC)-conjugated anti-CD44 (RRID:AB_312963), phycoerythrin (PE)-conjugated anti-CD24 (RRID:AB_314854) and APC-conjugated anti-EpCAM (RRID:AB_756081). FACS analysis of stained cells was performed using a FACSAria II cell sorter (Becton Dickinson, Franklin Lakes, NJ) as previously described (Lo et al., 2016 (link)).
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