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Erythroid differentiation regulator 1 strengthens TCR signaling in thymocytes by modulating calcium flux

机译:红细胞分化调节剂1通过调节钙通量来增强TCR信号传导胸腺细胞

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摘要

Erythroid differentiation regulator 1 (Erdr1) has been identified as a stromal survival factor released under stressful conditions. Previously, Erdr1 was reported to be expressed highly in thymus, but roles of Erdr1 in thymus were not known. Here, the effects of Erdr1 on T cell development were investigated. The expression of Erdr1 was higher in thymus than bone marrow and Erdr1 was detected in both the cortex and medulla of thymus. Erdr1 treatment significantly induced the expression of activation marker, CD69, from thymocytes in the presence of TCR stimuli in vitro and the induction was dependent on increased Ca2+ influx. In addition, in vivo administration of Erdr1 resulted in significant increase of total and positive selected thymocyte numbers, particularly in the number of CD3TCR(hi)CD69(+) DP thymocytes. Taken together, our results show that Erdr1 enhances the strength of TCR signaling and cellularity of thymocytes by amplifying Ca2+ influx in thymocytes receiving TCR signals.
机译:红细胞分化调节剂1(ERDR1)已被鉴定为在压力条件下释放的基质存活因子。 以前,据报道,ERDR1在胸腺中表达高度表达,但ERDR1在胸腺中的作用尚不清楚。 在此,研究了ERDR1对T细胞开发的影响。 Erdr1的表达在胸腺中较高,而不是骨髓,并且在胸腺的皮质和髓质中检测到ERDR1。 Erdr1治疗显着诱导了在体外TCR刺激存在下激活标记,CD69的表达,并且诱导依赖于增加的Ca2 +流入。 此外,体内施用Erdr1导致总和呈阳性和阳性选择的胸腺数量显着增加,特别是在CD3TCR(HI)CD69(+)DP胸腺细胞的数量中。 我们的结果表明,ERDR1通过在接受TCR信号的胸腺细胞中扩增Ca2 +流量来增强TCR信号传导和胸腺细胞的细胞性强度。

著录项

  • 来源
    《Cellular immunology》 |2019年第2019期|共6页
  • 作者单位

    Korea Univ Inst Convergence Sci Anam Ro 145 Seoul 02841 South Korea;

    Korea Univ Inst Convergence Sci Anam Ro 145 Seoul 02841 South Korea;

    Korea Univ Inst Convergence Sci Anam Ro 145 Seoul 02841 South Korea;

    Korea Univ Inst Convergence Sci Anam Ro 145 Seoul 02841 South Korea;

    Sookmyung Womens Univ Dept Cosmet Sci Cheongpa Ro 47 Gil 100 Cheongpa Dong 2ga Seoul 04310;

    Korea Univ Coll Life Sci &

    Biotechnol Div Life Sci Seoul 02841 South Korea;

    Catholic Univ Korea Yeouido St Marys Hosp Dept Dermatol 10 63 Ro Seoul South Korea;

    Korea Univ Inst Convergence Sci Anam Ro 145 Seoul 02841 South Korea;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 细胞生物学;
  • 关键词

    Erdr1; Thymocyte; TCR; Calcium flux;

    机译:ERDR1;胸腺细胞;TCR;钙助焊剂;

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