© 2003 by Oxford University Press
Journal of the National Cancer Institute, Vol. 95, No. 5, 337,
March 5, 2003
© 2003 Oxford University Press
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AIB1, HER-2/neu, and Tamoxifen Resistance
AIB1 is an estrogen receptor (ER) coactivator that, when overexpressed, can reduce the antagonist activity of tamoxifen-bound ER in breast cancer cells. AIB1 is activated by phosphorylation via signaling through the HER-2 receptor pathway. To determine whether high AIB1 expression alone or together with HER-2 reduces the effectiveness of tamoxifen, Osborne et al. (p. 353) quantified expression of AIB1 and HER-2 from breast cancer patients who either received no adjuvant therapy or adjuvant tamoxifen therapy after surgery. They found that high AIB1 expression in tumors of patients not receiving tamoxifen was associated
Chemotherapy for Elderly Patients: the MILES Trial
Folate and Breast Cancer Risk
Cancer Risk and Cystic Fibrosis After Organ Transplantation
Induction of Antiangiogenic Activity by rt-PA and Captopril
DNA Methylation and Zebularine