Novel molecular mechanism for generating NK-cell fitness and memory Journal Article


Authors: Karo, J. M.; Sun, J. C.
Article Title: Novel molecular mechanism for generating NK-cell fitness and memory
Abstract: The mammalian immune system has been traditionally subdivided into two compartments known as the innate and the adaptive. T cells and B cells, which rearrange their antigen-receptor genes using the RAG recombinase, comprise the adaptive arm of immunity. Meanwhile, every other white blood cell has been grouped together under the broad umbrella of innate immunity, including NK cells. NK cells are considered innate lymphocytes because of their rapid responses to stressed cells and their ability to develop without receptor gene rearrangement (i.e. in RAG-deficient mice). However, new findings implicate a critical function for RAG proteins during NK-cell ontogeny, and suggest a novel mechanism by which controlled DNA breaks during NK-cell development dictate the fitness, function, and longevity of these cells. This review highlights recent work describing how DNA break events can impact cellular differentiation and fitness in a variety of cell types and settings. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Keywords: protein expression; nonhuman; t lymphocyte; dna damage; dna repair; cell differentiation; b lymphocyte; dna strand breakage; molecular mechanics; natural killer cell; short survey; innate immunity; rag1 protein; rag2 protein; adaptive immunity; lymphocyte; leukocyte; receptor gene; recombination; ontogeny; memory cells; recombinase; nk cells; human; priority journal; vdj
Journal Title: European Journal of Immunology
Volume: 45
Issue: 7
ISSN: 0014-2980
Publisher: Wiley V C H Verlag Gmbh  
Date Published: 2015-07-01
Start Page: 1906
End Page: 1915
Language: English
DOI: 10.1002/eji.201445339
PROVIDER: scopus
PUBMED: 26018782
PMCID: PMC4561546
DOI/URL:
Notes: Export Date: 3 August 2015 -- Source: Scopus
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  1. Joseph C Sun
    135 Sun
  2. Jenny Karo
    5 Karo