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Preferential Iron Trafficking Characterizes Glioblastoma Stem-like Cells

机译:优惠铁贩运表征胶质母细胞瘤干细胞

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摘要

Glioblastomas display hierarchies with self-renewing cancer stem-like cells (CSCs). RNA sequencing and enhancer mapping revealed regulatory programs unique to CSCs causing upregulation of the iron transporter transferrin, the top differentially expressed gene compared with tissue-specific progenitors. Direct interrogation of iron uptake demonstrated that CSCs potently extract iron from the microenvironment more effectively than other tumor cells. Systematic interrogation of iron flux determined that CSCs preferentially require transferrin receptor and ferritin, two core iron regulators, to propagate and form tumors in vivo. Depleting ferritin disrupted CSC mitotic progression, through the STAT3-FoxM1 regulatory axis, revealing an iron-regulated CSC pathway. Iron is a unique, primordial metal fundamental for earliest life forms, on which CSCs have an epigenetically programmed, targetable dependence.
机译:Glioblastomas显示具有自我更新癌症干细胞(CSC)的层次结构。 RNA测序和增强剂映射显示了对CSC的调节程序,导致铁运输蛋白的上调,与组织特异性祖细胞的血液差异表达基因相比。 直接询问铁摄取表明,CSCs比其他肿瘤细胞更有效地从微环境中提取铁。 系统询问铁通量确定CSC优先需要转铁蛋白受体和铁蛋白,两种核心铁调节剂,在体内繁殖和形成肿瘤。 耗尽铁蛋白通过STAT3-FOXM1调节轴破坏CSC有丝分裂进展,揭示了铁调节的CSC途径。 铁是最早的寿命形式的独特原始金属基础,其中CSC具有表观规划的,可有价值的依赖。

著录项

  • 来源
    《Cancer Cell》 |2015年第4期|共15页
  • 作者单位

    Cleveland Clin Dept Stem Cell Biol &

    Regenerat Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Stem Cell Biol &

    Regenerat Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Stem Cell Biol &

    Regenerat Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Stem Cell Biol &

    Regenerat Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Cellular &

    Mol Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Cellular &

    Mol Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Stem Cell Biol &

    Regenerat Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Stem Cell Biol &

    Regenerat Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Cellular &

    Mol Med Cleveland OH 44195 USA;

    Case Western Reserve Univ Sch Med Dept Genet &

    Genome Sci Cleveland OH 44106 USA;

    Odense Univ Hosp Dept Clin Pathol DK-5000 Odense Denmark;

    Penn State Coll Med Dept Neurosurg Hershey PA 17033 USA;

    Case Western Reserve Univ Sch Med Dept Genet &

    Genome Sci Cleveland OH 44106 USA;

    Danish Canc Soc Res Ctr Brain Tumor Biol Grp DK-2100 Copenhagen Denmark;

    Odense Univ Hosp Dept Clin Pathol DK-5000 Odense Denmark;

    Univ Kentucky Dept Pathol Div Neuropathol Lexington KY 40536 USA;

    Penn State Coll Med Dept Neurosurg Hershey PA 17033 USA;

    Cleveland Clin Dept Cellular &

    Mol Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Cellular &

    Mol Med Cleveland OH 44195 USA;

    Cleveland Clin Dept Stem Cell Biol &

    Regenerat Med Cleveland OH 44195 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 肿瘤学;
  • 关键词

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