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Specification of type 2 innate lymphocytes by the transcriptional determinant Gfi1

机译:转录决定因素GFI1的2型先天淋巴细胞的规范

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摘要

Type 2 innate lymphoid cells (ILC2 cells) participate in host defense against helminth parasites and in allergic inflammation. Given their functional relatedness to type 2 helper T cells (T H 2 cells), we explored whether Gfi1 acts as a shared transcriptional determinant in ILC2 cells. Gfi1 promoted the development of ILC2 cells and controlled their responsiveness during infection with Nippostrongylus brasiliensis and protease allergen-induced lung inflammation. Gfi1 'preferentially' regulated the responsiveness of ILC2 cells to interleukin 33 (IL-33) by directly activating Il1rl1, which encodes the IL-33 receptor (ST2). Loss of Gfi1 in activated ILC2 cells resulted in impaired expression of the transcription factor GATA-3 and a dysregulated genome-wide effector state characterized by coexpression of IL-13 and IL-17. Our findings establish Gfi1 as a shared determinant that reciprocally regulates the type 2 and IL-17 effector states in cells of the innate and adaptive immune systems.
机译:2型先天淋巴细胞(ILC2细胞)参与对蠕虫寄生虫和过敏性炎症的宿主防御。 鉴于其功能相关性与型辅助T细胞(T H 2细胞)鉴定,我们探讨了GFI1是否充当ILC2细胞中的共同转录决定蛋白。 GFI1促进了ILC2细胞的发展,并在用Nippostrongylus Brasiliensis和蛋白酶过敏原诱导的肺炎感染期间控制它们的反应性。 通过直接激活IL1R11,GFI1'优先对ILC2细胞对白细胞介素33(IL-33)的反应性进行调节,该IL1RL1编码IL-33受体(ST2)。 活化ILC2细胞中GFI1的丧失导致转录因子GATA-3的表达受损和表现的失调基因组静脉效应状态,其特征在于IL-13和IL-17。 我们的研究结果建立了GFI1作为共同的决定因素,相互调节先天和自适应免疫系统的细胞中的2型和IL-17效应态。

著录项

  • 来源
    《Nature immunology》 |2013年第12期|共8页
  • 作者单位

    Department of Discovery Immunology Genentech South San Francisco CA United States;

    Translational Immunology Genentech South San Francisco CA United States;

    Translational Immunology Genentech South San Francisco CA United States;

    Institute for Systems and Genomics Biology Department of Human Genetics University of Chicago;

    Department of Bioinformatics Genentech South San Francisco CA United States;

    Department of Discovery Immunology Genentech South San Francisco CA United States;

    Translational Immunology Genentech South San Francisco CA United States;

    Department of Molecular Biology Genentech South San Francisco CA United States;

    Center for Advanced Light Microscopy Genentech South San Francisco CA United States;

    Department of Pathology Genentech South San Francisco CA United States;

    Translational Immunology Genentech South San Francisco CA United States;

    Department of Molecular Biology Genentech South San Francisco CA United States;

    Department of Discovery Immunology Genentech South San Francisco CA United States;

    Translational Immunology Genentech South San Francisco CA United States;

    Translational Immunology Genentech South San Francisco CA United States;

    Department of Discovery Immunology Genentech South San Francisco CA United States Division of;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 医学免疫学;
  • 关键词

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