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Title

Multifaceted Functions of Platelets in Cancer: From Tumorigenesis to Liquid Biopsy Tool and Drug Delivery System.

Authors

Dovizio, Melania; Ballerini, Patrizia; Fullone, Rosa; Tacconelli, Stefania; Contursi, Annalisa; Patrignani, Paola

Abstract

Platelets contribute to several types of cancer through plenty of mechanisms. Upon activation, platelets release many molecules, including growth and angiogenic factors, lipids, and extracellular vesicles, and activate numerous cell types, including vascular and immune cells, fibroblasts, and cancer cells. Hence, platelets are a crucial component of cell–cell communication. In particular, their interaction with cancer cells can enhance their malignancy and facilitate the invasion and colonization of distant organs. These findings suggest the use of antiplatelet agents to restrain cancer development and progression. Another peculiarity of platelets is their capability to uptake proteins and transcripts from the circulation. Thus, cancer-patient platelets show specific proteomic and transcriptomic expression patterns, a phenomenon called tumor-educated platelets (TEP). The transcriptomic/proteomic profile of platelets can provide information for the early detection of cancer and disease monitoring. Platelet ability to interact with tumor cells and transfer their molecular cargo has been exploited to design platelet-mediated drug delivery systems to enhance the efficacy and reduce toxicity often associated with traditional chemotherapy. Platelets are extraordinary cells with many functions whose exploitation will improve cancer diagnosis and treatment.

Subjects

DRUG delivery systems; EXTRACELLULAR vesicles; VASCULAR endothelial growth factors; EARLY detection of cancer; MESSENGER RNA; EARLY diagnosis

Publication

International Journal of Molecular Sciences, 2020, Vol 21, Issue 24, p9585

ISSN

1661-6596

Publication type

Academic Journal

DOI

10.3390/ijms21249585

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