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Nat Rev Drug Discov. 2015 Jul;14(7):487-98. doi: 10.1038/nrd4506. Epub 2015 May 22.

Therapeutic approaches to enhance natural killer cell cytotoxicity against cancer: the force awakens.

Author information

1
Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, USA.

Abstract

Scientific insights into the human immune system have recently led to unprecedented breakthroughs in immunotherapy. In the twenty-first century, drugs and cell-based therapies developed to bolster humoral and T cell immunity represent an established and growing component of cancer therapeutics. Although natural killer (NK) cells have long been known to have advantages over T cells in terms of their capacity to induce antigen-independent host immune responses against malignancies, their therapeutic potential in the clinic has been largely unexplored. A growing number of scientific discoveries into pathways that both activate and suppress NK cell function, as well as methods to sensitize tumours to NK cell cytotoxicity, have led to the development of numerous pharmacological and genetic methods to enhance NK cell antitumour immunity. These findings, as well as advances in our ability to expand NK cells ex vivo and manipulate their capacity to home to the tumour, have now provided investigators with a variety of new methods and strategies to harness the full potential of NK cell-based cancer immunotherapy in the clinic.

PMID:
26000725
DOI:
10.1038/nrd4506
[Indexed for MEDLINE]

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