Progesterone Receptor Signaling in the Breast Tumor Microenvironment.
- Publisher:
- Springer International Publishing
- Publication Type:
- Chapter
- Citation:
- Advances in Experimental Medicine and Biology, 2021, 1329, pp. 443-474
- Issue Date:
- 2021
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Boonyaratanakornkit2021_Chapter_ProgesteroneReceptorSignalingI.pdf | Published version | 1.1 MB |
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The tumor microenvironment (TME) is a complex infrastructure composed of stromal, epithelial, and immune cells embedded in a vasculature ECM. The microenvironment surrounding mammary epithelium plays a critical role during the development and differentiation of the mammary gland, enabling the coordination of the complex multihormones and growth factor signaling processes. Progesterone/progesterone receptor paracrine signaling interactions in the microenvironment play vital roles in stem/progenitor cell function during normal breast development. In breast cancer, the female sex hormones, estrogen and progesterone, and growth factor signals are altered in the TME. Progesterone signaling modulates not only breast tumors but also the breast TME, leading to the activation of a series of cross-communications that are implicated in the genesis of breast cancers. This chapter reviews the evidence that progesterone and PR signaling modulates not only breast epitheliums but also the breast TME. Furthermore, crosstalk between estrogen and progesterone signaling affecting different cell types within the TME is discussed. A better understanding of how PR and progesterone affect the TME of breast cancer may lead to novel drugs or a therapeutic approach for the treatment of breast cancer shortly.
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