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Open AccessAltered expression of the IGF-1 receptor in a tamoxifen-resistant human breast cancer cell line
The relationship between oestrogen (E2) and insulin-like growth factor-one (IGF-1) was examined in both tamoxifen-sensitive (MCF 7/5–21) and tamoxifen-resistant (MCF 7/5–23) subclones of the MCF 7 cell line. Both...