Title : Tamoxifen resistance in breast cancer cells is accompanied by an enhanced motile and invasive phenotype: inhibition by gefitinib ('Iressa', ZD1839).

Pub. Date : 2004

PMID : 15387370






4 Functional Relationships(s)
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1 Using a previously established in vitro cell model of tamoxifen resistance in MCF7 cells, shown to display autocrine epidermal growth factor receptor (EGFR) signalling, we assessed how resistance might modulate their metastatic phenotype in vitro, as metastatic disease is the single most important factor affecting the mortality of cancer patients. Tamoxifen epidermal growth factor receptor Homo sapiens
2 Using a previously established in vitro cell model of tamoxifen resistance in MCF7 cells, shown to display autocrine epidermal growth factor receptor (EGFR) signalling, we assessed how resistance might modulate their metastatic phenotype in vitro, as metastatic disease is the single most important factor affecting the mortality of cancer patients. Tamoxifen epidermal growth factor receptor Homo sapiens
3 Inhibition of EGFR signalling by gefitinib significantly inhibited cell motility and invasion thus suggesting a role for the EGF receptor in the aggressive phenotype of tamoxifen-resistant breast cancer cells. Tamoxifen epidermal growth factor receptor Homo sapiens
4 Inhibition of EGFR signalling by gefitinib significantly inhibited cell motility and invasion thus suggesting a role for the EGF receptor in the aggressive phenotype of tamoxifen-resistant breast cancer cells. Tamoxifen epidermal growth factor receptor Homo sapiens