Expression profiling of breast cancer cell lines MCF-7 and MCF-7R4

Human breast cancer cell line MCF-7 is usually sensitive to chemotherapy drug BMS-554417, an insulin receptor (IR) and insulin-like growth factor receptor (IGFR) inhibitor. However, through step-wise increase in BMS-554417 doses in culture media, we were able able to screen and select a single MCF-7 clone that is BMS-554417 resistant. It is cross resistant to BMS-536924. This new line of MCF-7 cells was named as MCF-7R4. The transcriptome profiling of both MCF-7 and MCF-7R4 was performed using Affymetrix HG-U133 plus2.0 GeneChip arrays.

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Hou X, Huang F, Carboni JM, Flatten K, Asmann YW, Ten Eyck C, Nakanishi T, Tibodeau JD, Ross DD, Gottardis MM, Erlichman C, Kaufmann SH, Haluska P