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The sequential activity of Gata3 and Thpok is required for the differentiation of CD1d-restricted CD4(+) NKT cells

  1. Author:
    Wang, L.
    Carr, T.
    Xiong, Y. M.
    Wildt, K. F.
    Zhu, J. F.
    Feigenbaum, L.
    Bendelac, A.
    Bosselut, R.

  2. Author Address

    [Bosselut, Remy] NCI, Lab Immune Cell Biol, CCR, NIH, Bethesda, MD 20892 USA. [Carr, Tiffany; Bendelac, Albert] Univ Chicago, Howard Hughes Med Inst, Dept Pathol, Comm Immunol, Chicago, IL 60637 USA. [Zhu, Jinfang] NIAID, Immunol Lab, NIH, Bethesda, MD 20892 USA. [Feigenbaum, Lionel] NCI, SAIC, Frederick, MD 21701 USA.;Bosselut, R, NCI, Lab Immune Cell Biol, CCR, NIH, Bldg 37,Room 3015,37 Convent Dr, Bethesda, MD 20892 USA.;remy@helix.nih.gov
    1. Year: 2010
    2. Date: Sep
  2. Journal: European Journal of Immunology
    1. 40
    2. 9
    3. Pages: 2385-2390
  4. Type of Article: Article
  5. ISSN: 0014-2980
  1. Abstract:

    While most CD4(+) T cells are MHC class II-restricted, a small subset, including the CD1d-restricted 'invariant' NKT (iNKT) cells, are selected on non-classical MHC-I or MHC-I-like molecules. We previously showed that the sequential activity of two zinc finger transcription factors, Gata3 and Thpok, promotes the differentiation of conventional, MHC II-restricted thymocytes into CD4(+) T cells. In the current study, we show that a Gata3-Thpok cascade is required for the differentiation of CD4(+) iNKT cells. Gata3 is required for iNKT cells to express Thpok, whereas Thpok is needed for proper NKT cell differentiation, and notably for NKT cells to maintain CD4 and terminate CD8 expression. These findings identify the sequential activity of Gata3 and Thpok as a hallmark of CD4(+) T-cell differentiation, regardless of MHC restriction.

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External Sources

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  2. DOI: 10.1002/eji.201040534
  3. View record in Web of Science®
  4. WOS: 000282305400007

Library Notes

  1. Fiscal Year: FY2009-2010
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