Lymphocyte Development Requires <i>S</i>-nitrosoglutathione Reductase

  • Zhiyong Yang
    Department of Microbiology and Immunology, University of California San Francisco , San Francisco, CA 94143
  • Zhi-En Wang
    Department of Microbiology and Immunology, University of California San Francisco , San Francisco, CA 94143
  • Paschalis-Thomas Doulias
    Department of Pediatrics, Children’s Hospital of Philadelphia Research Institute, University of Pennsylvania , Philadelphia, PA 19104
  • Wei Wei
    Department of Microbiology and Immunology, University of California San Francisco , San Francisco, CA 94143
  • Harry Ischiropoulos
    Department of Pediatrics, Children’s Hospital of Philadelphia Research Institute, University of Pennsylvania , Philadelphia, PA 19104
  • Richard M Locksley
    Department of Microbiology and Immunology, University of California San Francisco , San Francisco, CA 94143
  • Limin Liu
    Department of Microbiology and Immunology, University of California San Francisco , San Francisco, CA 94143

書誌事項

公開日
2010-12-01
権利情報
  • https://academic.oup.com/pages/standard-publication-reuse-rights
DOI
  • 10.4049/jimmunol.1000080
公開者
Oxford University Press (OUP)

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説明

<jats:title>Abstract</jats:title> <jats:p>NO is critical to immunity, but its role in the development of the immune system is unknown. In this study, we show that S-nitrosoglutathione reductase (GSNOR), a protein key to the control of protein S-nitrosylation, is important for the development of lymphocytes. Genetic deletion of GSNOR in mice results in significant decrease in both T and B lymphocytes in the periphery. In thymus, GSNOR deficiency causes excessive protein S-nitrosylation, increases apoptosis, and reduces the number of CD4 single-positive thymocytes. Lymphopenia and increase in S-nitrosylation and apoptosis in GSNOR-deficient mice are largely abolished by genetic deletion of inducible NO synthase. Furthermore, the protection of lymphocyte development by GSNOR is apparently intrinsic to hematopoietic cells. Thus, GSNOR, likely through regulation of S-nitrosylation and apoptosis, physiologically plays a protective role in the development of the immune system.</jats:p>

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