4.6 Review

Exosome-Mediated Therapeutic Strategies for Management of Solid and Hematological Malignancies

期刊

CELLS
卷 11, 期 7, 页码 -

出版社

MDPI
DOI: 10.3390/cells11071128

关键词

extracellular vesicles; exosome; cancer; hematological malignancy; cell communication; chemoresistance; microRNA; drug delivery; immune response

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This review focuses on the effects of exosomes in tumor treatment by discussing recent and promising data from in vitro and in vivo studies, as well as clinical trials. Exosomes are potential carriers of drugs, antagomirs, genes, and other therapeutic substances, and can modify non-coding RNAs, cancer cell metabolism, and the function of immune effectors to transform the tumor microenvironment from pro-tumor to anti-tumor. The development of exosome modifiers is discussed, providing indications for the future improvement of more effective methods to enhance exosome activity.
Exosomes are small membrane vesicles of endocytic origin containing cytokines, RNAs, growth factors, proteins, lipids, and metabolites. They have been identified as fundamental intercellular communication controllers in several diseases and an enormous volume of data confirmed that exosomes could either sustain or inhibit tumor onset and diffusion in diverse solid and hematological malignancies by paracrine signaling. Thus, exosomes might constitute a promising cell-free tumor treatment alternative. This review focuses on the effects of exosomes in the treatment of tumors, by discussing the most recent and promising data from in vitro and experimental in vivo studies and the few existing clinical trials. Exosomes are extremely promising as transporters of drugs, antagomir, genes, and other therapeutic substances that can be integrated into their core via different procedures. Moreover, exosomes can augment or inhibit non-coding RNAs, change the metabolism of cancer cells, and modify the function of immunologic effectors thus modifying the tumor microenvironment transforming it from pro-tumor to antitumor milieu. Here, we report the development of currently realized exosome modifiers that offer indications for the forthcoming elaboration of other more effective methods capable of enhancing the activity of the exosomes.

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