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Updated: Mar 18, 2026

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An Ex vivo Model to Study Hormone Action in the Human Breast
Published on: January 8, 2015
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Progesterone Receptor Signaling Mechanisms
Sandra L Grimm1, Sean M Hartig1, Dean P Edwards1
1Department of Molecular and Cellular Biology, Baylor College of Medicine,Houston, TX 77030, USA.
Journal of Molecular Biology
|July 7, 2016
Summary
Progesterone receptor (PR) regulates female reproductive tissues and breast cancer progression. Recent advances reveal PR
Area of Science:
- Molecular Endocrinology
- Cellular Biology
- Cancer Biology
Background:
- Progesterone receptor (PR) is a key regulator in female reproductive tissues.
- PR controls development, proliferation, and differentiation during the reproductive cycle and pregnancy.
- PR signaling is implicated in endocrine-dependent breast cancer progression.
Purpose of the Study:
- To summarize recent advances in understanding progesterone receptor (PR) structure-function.
- To elucidate tissue/cell-type-specific PR signaling pathways.
- To clarify the role of PR in normal breast and breast cancer biology.
Main Methods:
- Review of recent scientific literature on PR.
- Analysis of PR structure-function relationships.
- Examination of PR signaling pathways in various cell types and tissues.
Main Results:
- Recent studies have advanced the understanding of PR's structural and functional properties.
- Tissue-specific PR signaling pathways have been identified.
- PR's role in both normal breast tissue and breast cancer is better defined.
Conclusions:
- PR is a crucial nuclear receptor involved in reproductive functions and breast cancer.
- Understanding PR structure and signaling pathways is vital for therapeutic strategies.
- Further research into PR's complex roles will advance reproductive health and oncology.
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