Journal
NATURE IMMUNOLOGY
Volume 10, Issue 3, Pages 306-313Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ni.1696
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Funding
- National Institutes of Health [PONS038037, UOAI31541]
- Cancer Research Institute
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The influence of signals transmitted by the phosphatase calcineurin and the transcription factor NFAT on the development and function of natural killer T (NKT) cells is unclear. In this report, we demonstrate that the transcription factor early growth response 2 (Egr2), a target gene of NFAT, was specifically required for the ontogeny of NKT cells but not that of conventional CD4(+) or CD8(+) T cells. NKT cells developed normally in the absence of Egr1 or Egr3, which suggests that Egr2 is a specific regulator of NKT cell differentiation. We found that Egr2 was important in the selection, survival and maturation of NKT cells. Our findings emphasize the importance of the calcineurin-NFAT-Egr2 pathway in the development of the NKT lymphocyte lineage.
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