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Adv Immunol. 2005;86:209-39.

Interleukin-2, interleukin-15, and their roles in human natural killer cells.

Author information

1
Medical Scientist Program, Ohio State University, Columbus, OH 43210, USA.

Abstract

Natural killer (NK) cells are CD56+CD3- large granular lymphocytes that constitute a key component of the human innate immune response. In addition to their potent cytolytic activity, NK cells elaborate a host of immunoregulatory cytokines and chemokines that play a crucial role in pathogen clearance. Furthermore, interactions between NK and other immune cells are implicated in triggering the adaptive, or antigen-specific, immune response. Interleukin-2 (IL-2) and IL-15 are two distinct cytokines with partially overlapping properties that are implicated in the development, homeostasis, and function of NK cells. This review examines the pervasive effects of IL-2 and IL-15 on NK cell biology, with an emphasis on recent discoveries and lingering challenges in the field.

PMID:
15705423
DOI:
10.1016/S0065-2776(04)86006-1
[Indexed for MEDLINE]

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