Recent advancements in the study of breast cancer exosomes as mediators of intratumoral communication

exosomes

Breast cancer is a heterogeneous disease, with a morbidity rate of 27.8% and a mortality rate of 15% among women population worldwide. Understanding how this cancer develops and the mechanisms behind tumor progression and chemoresistance is of utmost importance. Exosomes mediate communication in a population of heterogeneous tumoral cells. They have a cargo composed of oncogenes and oncomiRs which change the transcriptomic scenario of their targeted cells and activate numerous tumor-promoting signaling pathways. Exosomes secreted by breast cancer cells lead to enhanced cell proliferation, replicative immortality, angiogenesis, invasion, migration, and chemoresistance. Studying exosomes from this perspective offers more in depth understanding of breast malignancy and may aid in the future development of early diagnostic, prognostic and therapeutic options. Researchers from the The Oncology Institute, Romania present the latest findings in this area and offer practical solutions which may further stimulate the much-needed research of exosome in breast cancer.

Groza M, Zimta AA, Irimie A, Achimas-Cadariu P, Cenariu D, Stanta G, Berindan-Neagoe I. (2019) Recent advancements in the study of breast cancer exosomes as mediators of intratumoral communication. J Cell Physiol [Epub ahead of print]. [abstract]

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