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Stromal-Epithelial Interactions Modulate Cross Talk Between Prolactin Receptor And Her2/Neu In Breast Cancer, Cong Xu
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The tumor microenvironment is a crucial factor in breast tumorigenesis. Tumor epithelial cells maintain 3D structure in tumor stroma and they interact with soluble factors secreted by stromal cells such as cancer associated fibroblasts (CAFs) or directly with the extracellular matrix (ECM). Recent studies have shown that the hormone prolactin (PRL) promotes the proliferation and survival of breast cancer cells in part via the transactivation of human epidermal growth factor receptor 2 (HER2), also known as Neu in rodents. A PRL receptor (PRLR) antagonist, G129R, has been demonstrated not only to be able to directly inhibit PRLR activation but also …