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Modulation of BAG-1 Expression Alters the Sensitivity of Breast Cancer Cells to Tamoxifen
Author(s) -
Hong Liu,
Su Lu,
Lin Gu,
Yongchang Gao,
Tong Wang,
Jing Zhao,
Jianyu Rao,
Jun Chen,
Xishan Hao,
Shou-Ching Tang
Publication year - 2014
Publication title -
cellular physiology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.486
H-Index - 87
eISSN - 1421-9778
pISSN - 1015-8987
DOI - 10.1159/000356676
Subject(s) - mcf 7 , tamoxifen , apoptosis , cancer cell , breast cancer , cell culture , cancer research , transfection , in vitro , cell , cancer , medicine , human breast , chemistry , pharmacology , biology , biochemistry , genetics
BAG-1 (bcl-2 associated athanogene) is a multifunctional protein that protects cells from a wide range of apoptotic stimuli including radiation, hypoxia and chemotherapeutic agents. Overexpression of cytoplasmic BAG-1 has been associated with the increased survival and decreased response to treatment with tamoxifen (TAM) in breast cancer. We attempted to assess the expression of BAG-1 in the human breast cancer cells that are resistant to treatment with 4-OH TAM and effect of altered BAG-1 expression on their sensitivity to 4-OH TAM.

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