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Bramanandam , Manavathi and Rakesh, Kumar (2013) Derailed Estrogen Signaling and Breast Cancer: An Authentic Coup. rakeshkumar@rgcb.res.in, 34 (1). 1-32. . ISSN 1945-7189

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Estrogen or 17β-estradiol, a steroid hormone, plays a critical role in the development of mammary gland via acting through specific receptors. In particular, estrogen receptor-α (ERα) acts as a transcription factor and/or a signal transducer while participating in the development of mammary gland and breast cancer. Accumulating evidence suggests that the transcriptional activity of ERα is altered by the action of nuclear receptor coregulators and might be responsible, at least in part, for the development of breast cancer. In addition, this process is driven by various posttranslational modifications of ERα, implicating active participation of the upstream receptor modifying enzymes in breast cancer progression. Emerging studies suggest that the biological outcome of breast cancer cells is also influenced by the cross talk between microRNA and ERα signaling, as well as by breast cancer stem cells. Thus, multiple regulatory controls of ERα render mammary epithelium at risk for transformation upon deregulation of normal homeostasis. Given the importance that ERα signaling has in breast cancer development, here we will highlight how the activity of ERα is controlled by various regulators in a spatial and temporal manner, impacting the progression of the disease. We will also discuss the possible therapeutic value of ERα modulators as alternative drug targets to retard the progression of breast cancer.

Item Type: Article
Subjects: Cancer Research
Depositing User: Central Library RGCB
Date Deposited: 21 Jul 2017 06:29
Last Modified: 21 Jul 2017 06:29
URI: http://rgcb.sciencecentral.in/id/eprint/416

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