2015
DOI: 10.18632/oncotarget.3257
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Basal and therapy-driven hypoxia-inducible factor-1α confers resistance to endocrine therapy in estrogen receptor-positive breast cancer

Abstract: Resistance is an obstacle to endocrine therapy for breast cancer. We measured levels of hypoxia-inducible factor (HIF)-1α in 52 primary breast cancer patients before and after receiving neoadjuvant endocrine therapy with letrozole for at least 3 months. Pre-treatment levels of HIF-1α were associated with negative clinical outcome. Furthermore, levels of HIF-1α were increased in post-treatment residual tumors compared with those in pre-treatment biopsy samples. In animal studies, xenografts stably expressing HI… Show more

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Cited by 37 publications
(38 citation statements)
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References 40 publications
(50 reference statements)
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“…Zoledronic acid is used in the treatment of postmenopausal osteoporosis. These studies indicate the role of HIF-1alpha and Raf/MEK/ERK pathways in the development of certain endocrine therapies and the potential of zoledronic acid to be used in breast cancer patients who have failed certain endocrine therapies [312].…”
Section: Effects Of Nutraceutics and Drugs Used For Other Diseases Onmentioning
confidence: 84%
“…Zoledronic acid is used in the treatment of postmenopausal osteoporosis. These studies indicate the role of HIF-1alpha and Raf/MEK/ERK pathways in the development of certain endocrine therapies and the potential of zoledronic acid to be used in breast cancer patients who have failed certain endocrine therapies [312].…”
Section: Effects Of Nutraceutics and Drugs Used For Other Diseases Onmentioning
confidence: 84%
“…It was also found to enhance the activity of antiestrogen therapy in ER positive breast cancer patients by suppressing HIF-1α. 51 Nilotinib has been reported to show anti-cancer activity better in combination with antibodies. Nilotinib showed suppression of vessel maturation.…”
Section: Chemical Classification Of Small Molecules: Potential To Havmentioning
confidence: 99%
“…The high expression of HIF-1α has been related to worse prognosis not only by the pathways affected that lead to more aggressive tumors, but also by its association with resistance to hormone, chemo -and radiotherpies in breast cancer [27,28] .…”
Section: Hif-1α In Drug Resistencementioning
confidence: 99%