Cloning of a new cytokine that induces IFN-γ production by T cells (original) (raw)

Nature volume 378, pages 88–91 (1995)Cite this article

Abstract

THE mechanism underlying the differentiation of CD4+ T cells into functionally distinct subsets (Thl and Th2) is incompletely understood1–3, and hitherto unidentified cytokines may be required for the functional maturation of these cells4. Here we report the cloning of a recently identified IFN-γ-inducing factor (IGIF) that augments natural killer (NK) activity in spleen cells5,6. The gene encodes a precursor protein of 192 amino acids and a mature protein of 157 amino acids, which have no obvious similarities to any peptide in the databases. Messenger RNAs for IGIF and interleukin-12 (IL-12) are readily detected in Kupffer cells and activated macrophages. Recombinant IGIF induces IFN-γ more potently than does IL-12, apparently through a separate pathway. Administration of anti-IGIF antibodies prevents liver damage in mice inoculated with Propionibacterium acnes and challenged with lipopolysaccharide, which induces toxic shock. IGIF may be involved in the development of Thl cells and also in mechanisms of tissue injury in inflammatory reactions.

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Authors and Affiliations

  1. Department of Bacteriology, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya, Japan
    Haruki Okamura
  2. Department of Immunology and Medical Zoology, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya, Japan
    Toshinori Komatsu
  3. Toneyama Institute for Tuberculosis, Osaka City University, Toneyama-cho, Toyonaka, Japan
    Hiroko Tsutsui
  4. Institute for Microbial Disease, Yamada-kami, Suita, Japan
    Masuo Yutsudo & Akira Hakura
  5. Fujisaki Institute, Hayashibara Biochemical Laboratories, Hayashibara Co. Inc., Okayama, Japan
    Tadao Tanimoto, Kakuji Torigoe, Takanori Okura, Yoshiyuki Nukada, Kazuko Hattori, Kenji Akita, Motoshi Namba, Fujimi Tanabe, Kaori Konishi, Shigeharu Fukuda & Masashi Kurimoto

Authors

  1. Haruki Okamura
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  2. Hiroko Tsutsui
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  3. Toshinori Komatsu
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  4. Masuo Yutsudo
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  5. Akira Hakura
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  6. Tadao Tanimoto
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  7. Kakuji Torigoe
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  8. Takanori Okura
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  9. Yoshiyuki Nukada
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  10. Kazuko Hattori
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  11. Kenji Akita
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  12. Motoshi Namba
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  13. Fujimi Tanabe
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  14. Kaori Konishi
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  15. Shigeharu Fukuda
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  16. Masashi Kurimoto
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Okamura, H., Tsutsui, H., Komatsu, T. et al. Cloning of a new cytokine that induces IFN-γ production by T cells.Nature 378, 88–91 (1995). https://doi.org/10.1038/378088a0

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