Article
Egr-1 enhances drug resistance of breast cancer by modulating MDR1 expression in a GGPPS-independent manner
1 Feb 2013
Abstract excerpt
The multidrug resistance 1 (MDR1) gene product P-glycoprotein is an ATP-dependent efflux pump associated with chemotherapy failure in breast cancer. In the present study, we show that paclitaxel induces MDR1 expression in the MCF-7 breast cancer cell line in a MAPK/Egr-1-dependent manner. Paclitaxel exposure activated the Erk1/2/MAPK pathway and promoted the accumulation of the early response transcription factor...
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