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Endocrine resistance in breast cancer

, , &
Pages 522-528 | Received 08 Sep 2013, Accepted 06 Nov 2013, Published online: 19 Dec 2013
 

Abstract

Selective estrogen receptor modulators (SERMs) are synthetic molecules which bind to estrogen receptors (ER) and can modulate their transcriptional capabilities in different ways in diverse estrogen target tissues. Unfortunately, the use of resistant therapy is associated with acquired resistance. Several molecular mechanisms have been proposed to be responsible for endocrine resistance in breast cancer, including MIR-451, FGF and FGFR, ADAM12, fibronectin and other soluble stromal factors, PELP1-KDM1, HER2, NOTCH, δEF1, mTOR, AKT/mTOR, Pi3K/AKT, Pi3K/AKT/mTOR, NFκB, LMTK3, IGF1R, cyclin E2, IRF1, Tab2, and SRC-1. Further research is needed to know more about endocrine resistance.

Conflict of interest The authors report no conflict of interest. The authors alone are responsible for the content and writing of this paper.

Source of funding Nil.

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