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Review
. 2015 Oct;3(10):1109-14.
doi: 10.1158/2326-6066.CIR-15-0222.

Innate Lymphoid Cells in Cancer

Blandine Vallentin  1 , Vincent Barlogis  1 , Christelle Piperoglou  2 , Sophie Cypowyj  3 , Nicolas Zucchini  4 , Matthieu Chéné  4 , Florent Navarro  4 , Catherine Farnarier  2 , Eric Vivier  5 , Frédéric Vély  5
Affiliations
Review

Innate Lymphoid Cells in Cancer

Blandine Vallentin et al. Cancer Immunol Res. 2015 Oct.

Abstract

The world of lymphocytes has recently expanded. A group of cells, innate lymphoid cells (ILC), has been defined. It includes lymphoid cells that have been known for decades, such as natural killer (NK) cells and lymphoid tissue-inducer (LTi) cells. NK cells recognize a vast array of tumor cells, which they help to eliminate through cytotoxicity and the production of cytokines, such as IFNγ. Advances in our understanding of NK-cell biology have led to a growing interest in the clinical manipulation of these cells in cancer. The other ILCs are found mostly in the mucosae and mucosal-associated lymphoid tissues, where they rapidly initiate immune responses to pathogens without the need for specific sensitization. Here, we outline the basic features of ILCs and review the role of ILCs other than NK cells in cancer. Much of the role of these ILCs in cancer remains unknown, but several findings should lead to further efforts to dissect the contribution of different ILC subsets to the promotion, maintenance, or elimination of tumors at various anatomic sites. This will require the development of standardized reagents and protocols for monitoring the presence and function of ILCs in human blood and tissue samples.

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