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The role of SRC-3 in human breast cancer
Ondrej Gojis1, Bharath Rudraraju, Mihir Gudi
1Department of Pathology, Third Faculty of Medicine, Charles University Prague, Prague 10, 10000, Czech Republic.
Abstract:
Members of the nuclear receptor superfamily are ligand-regulated transcription factors involved in the control of a broad range of normal physiological and disease processes. The estrogen receptor alpha (ERalpha) is a member of the steriod receptor family, which is part of the nuclear receptor superfamily. ERalpha it is important for many biological processes and plays a key role in the pathogenesis of breast cancer. Gene regulation by ERalpha requires the recruitment of a multitude of transcriptional co-regulators to the promoters of estrogen-responsive genes. There is evidence in support of the involvement of these co-regulators in breast cancer progression. We review the role of steroid receptor co-activator-3 (SRC-3), which is frequently amplified in breast cancer, and its role in breast cancer risk, outcome and response to endocrine therapy in patients with breast cancer.
Insights
Estrogen receptor alpha (ERalpha) and its co-regulators, particularly steroid receptor co-activator-3 (SRC-3), are crucial in breast cancer development and progression. Understanding their roles may improve treatment strategies.
Area of Science:
- Molecular biology
- Endocrinology
- Oncology
Background:
- Nuclear receptors are key regulators of physiological and disease processes.
- Estrogen receptor alpha (ERalpha) is vital in normal biology and breast cancer pathogenesis.
- Transcriptional co-regulators are recruited by ERalpha to control gene expression.
Purpose of the Study:
- To review the role of steroid receptor co-activator-3 (SRC-3) in breast cancer.
- To investigate SRC-3's involvement in breast cancer risk, outcome, and endocrine therapy response.
Main Methods:
- Literature review focusing on nuclear receptors, ERalpha, and co-regulators.
- Analysis of studies investigating SRC-3 amplification in breast cancer.
- Examination of SRC-3's impact on breast cancer progression and treatment.
Main Results:
- SRC-3 is frequently amplified in breast cancer.
- SRC-3 plays a significant role in breast cancer progression.
- SRC-3 influences patient outcomes and response to endocrine therapy.
Conclusions:
- SRC-3 is a critical co-regulator in ERalpha-mediated gene expression relevant to breast cancer.
- Targeting SRC-3 may offer new therapeutic strategies for breast cancer patients.
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