Early diagnosis of breast and ovarian cancers by body fluids circulating tumor-derived exosomes

Norouzi-Barough, Asgari Khosro Shahi, Mohebzadeh, Masoumi, Haddadi, Shirian (2020) Early diagnosis of breast and ovarian cancers by body fluids circulating tumor-derived exosomes Cancer Cell Int (IF: 5.8) 20 187

Abstract

Exosomes (EXs) are small extracellular vesicles, a size range of 40-100 nm in diameter, actively secreted by most eukaryotic cells into surrounding body fluids like blood, saliva, urine, bile, breast milk and etc. These endosomal-derived vesicles mediate cell-cell communication between various cell populations through transmitting different signaling molecules such as lipids, proteins, and nucleic acids, and participate in a wide range of physiological and pathological body processes. Tumor-derived EXs (TDEs) are vehicles for intercellular communications by transferring bioactive molecules; they deliver oncogenic molecules and contain different molecular cargoes compared to EXs delivered from normal cells, therefore, they can be used as non-invasive invaluable biomarkers for early diagnosis and prognosis of most cancers, including breast and ovarian cancers. Their presence and stability in different types of body fluids highlight them as a suitable diagnostic biomarker for distinguishing various cancer stages. In addition, EXs can predict the therapeutic efficacy of chemotherapy agents and drug resistance in cancer cells, as well as determine the risk of metastasis in different disease stages. In this study, the recent literature on the potential role of TDEs in the diagnosis and prognosis of ovarian and breast cancers is summarized, and then exosome isolation techniques including traditional and new approaches are briefly discussed.© The Author(s) 2020.

Links

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7247259
http://www.ncbi.nlm.nih.gov/pubmed/32489323
http://dx.doi.org/10.1186/s12935-020-01276-x

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