In this article (Clin Cancer Res 2001;7:3156–65), which was published in the October 1, 2001, issue of Clinical Cancer Research (1), the authors recently discovered by performing short tandem repeat analysis on all of their cell lines that the cell clone T47D:A18/PKCα is, in fact, MCF-7/PKCα. They have verified this using next-generation sequencing of the p53 mutation that is a hallmark of T47D cells. All other cell lines reported in this article are as originally described. Because both T47D and MCF-7 cells are ER+ breast cancer cell lines, the authors conclude this does not change the original interpretation of the work. The authors regret this error.
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