New findings show that a subpopulation of mucosal RORγt+ cells expresses natural killer cell receptors and produces interleukin 22. These innate immune cells may be pivotal in maintaining mucosal homeostasis.
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Malmberg, KJ., Ljunggren, HG. Spotlight on IL-22-producing NK cell receptor–expressing mucosal lymphocytes. Nat Immunol 10, 11–12 (2009). https://doi.org/10.1038/ni0109-11
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DOI: https://doi.org/10.1038/ni0109-11
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