Multidrug-Resistant MCF-7 Cells: An Identity Crisis?

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Abstract
Two recent correspondences published in the Journal (1,2) labeled the MCF-7/ADR cell line—a multidrug-resistant (MDR) human breast cancer MCF-7 subline—as having a non-MCF-7 origin, which led to a change in the nomenclature of this cell line to NCI/ADR. We believe the original nomenclature of MCF-7/ADR should be retained.