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抄録

Although NK cells are recognized as direct antitumor effectors, the ability of NK cells to control cancer-associated inflammation, which facilitates tumor progression, remains unknown. In this study, we demonstrate that NK cells control tumor-promoting inflammation through functional modification of neutrophils. NK cells control the tumor-promoting function of neutrophils through an IFNgamma-dependent mechanism. Tumor progression in an NK cell-depleted host is diminished when the IL17A-neutrophil axis is absent. In NK cell-depleted mice, neutrophils acquire a tumor-promoting phenotype, characterized by up-regulation of VEGF-A expression, which promotes tumor growth and angiogenesis. A VEGFR inhibitor which preferentially suppressed tumor growth in NK cell-depleted mice was dependent on neutrophils. Furthermore, the systemic neutropenia caused by an anti-metabolite treatment showed an anti-cancer effect only in mice lacking NK cells. Thus, NK cells likely control the tumor-promoting and angiogenic function of neutrophils.

収録刊行物

  • Cancer Immunology Research

    Cancer Immunology Research 6(3), 2018-03

    American Association for Cancer Research Pubblications

各種コード

  • NII論文ID(NAID)
    120006402039
  • 本文言語コード
    ENG
  • 資料種別
    journal article
  • データ提供元
    IR 
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