Lineage-specific effector signatures of invariant NKT Cells are shared amongst gd T, Innate Lymphoid, and Th Cells

You Jeong Lee, Gabriel J. Starrett, Seungeun Thera Lee, Rendong Yang, Christine M. Henzler, Stephen C. Jameson, Kristin A. Hogquist

Research output: Contribution to journalArticle

47 Scopus citations

Abstract

Invariant NKT cells differentiate into three predominant effector lineages in the steady state. To understand these lineages, we sorted undifferentiated invariant NK T progenitor cells and each effector population and analyzed their transcriptional profiles by RNAseq. Bioinformatic comparisons were made to effector subsets among other lymphocytes, specifically Th cells, innate lymphoid cells (ILC), and gd T cells. Myc-associated signature genes were enriched in NKT progenitors, like in other hematopoietic progenitors. Only NKT1 cells, but not NKT2 and NKT17 cells, had transcriptome similarity to NK cells and were also similar to other IFN-g-producing lineages such as Th1, ILC1, and intraepithelial gd T cells. NKT2 and NKT17 cells were similar to their analogous subsets of gd T cells and ILCs, but surprisingly, not to Th2 and Th17 cells.We identified a set of genes common to each effector lineage regardless of Ag receptor specificity, suggesting the use of conserved regulatory cores for effector function.

Original languageEnglish (US)
Pages (from-to)1460-1470
Number of pages11
JournalJournal of Immunology
Volume197
Issue number4
DOIs
StatePublished - Aug 15 2016

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