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Role of the Tumor Microenvironment in Breast Cancer

Role of the Tumor Microenvironment in Breast Cancer

Pathobiology 82(3-4): 142-152

In recent years, it has been shown that breast cancer consists not only of neoplastic cells, but also of significant alterations in the surrounding stroma or tumor microenvironment. These alterations are now recognized as a critical element for breast cancer development and progression, as well as potential therapeutic targets. Various components of the breast cancer microenvironment, such as suppressive immune cells, soluble factors and altered extracellular matrix, act together to impede effective antitumor immunity and promote breast cancer progression and metastasis. Stromal cells in the breast cancer microenvironment are characterized by molecular alterations and aberrant signaling pathways, some of which are prognostic of clinical outcome. Several new therapies targeting stromal components are in development or undergoing clinical trials. We focus herein on the composition of the breast cancer microenvironment and concomitant molecular alterations, the specific interplay between various cell types and cancer cells, and the clinical implications of these findings.

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Accession: 058791219

Download citation: RISBibTeXText

PMID: 26330355

DOI: 10.1159/000430499

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