Recent advances in understanding tumor stroma-mediated chemoresistance in breast cancer

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Abstract

Although solid tumors comprise malignant cells, they also contain many different non-malignant cell types in their micro-environment. The cellular components of the tumor stroma consist of immune and endothelial cells combined with a heterogeneous population of stromal cells which include cancer-associated fibroblasts. The bi-directional interactions between tumor and stromal cells therefore substantially affect tumor cell biology. Herein, we discuss current available information on these interactions in breast cancer chemo-resistance. It is acknowledged that stromal cells extrinsically alter tumor cell drug responses with profound consequences for therapy efficiency, and it is therefore essential to understand the molecular mechanisms which contribute to these substantial alterations because they provide potential targets for improved cancer therapy. Although breast cancer patient survival has improved over the last decades, chemo-resistance still remains a significant obstacle to successful treatment. Appreciating the important experimental evidence of mesenchymal stromal cells and cancer-associated fibroblast involvement in breast cancer clinical practice can therefore have important therapeutic implications.

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Plava, J., Cihova, M., Burikova, M., Matuskova, M., Kucerova, L., & Miklikova, S. (2019, March 30). Recent advances in understanding tumor stroma-mediated chemoresistance in breast cancer. Molecular Cancer. BioMed Central Ltd. https://doi.org/10.1186/s12943-019-0960-z

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