Natural killer (NK) cells are cytotoxic lymphocytes targeting virus-infected cells and cancer cells. Specific pro- and antikilling signals modulate the overall ability of NK cells to kill cancer cells, however, several immune-escape mechanisms can be enacted by cancer cells to avoid NK-mediated killing. Recently, increasing evidence has shown that extracellular vesicles (EV) released by NK cells carry proteins and miRNAs able to exert an antitumoral effect, even within a highly immune-suppressive tumor microenvironment. These recent findings suggest a possible use of NK-derived EVs as anticancer agents and propel the development of new strategies to enrich EVs with the most effective anticancer cargo as a promising new anticancer approach.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6942618 | PMC |
| http://dx.doi.org/10.1158/0008-5472.CAN-19-1450 | DOI Listing |
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