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2011 Fiscal Year Final Research Report

Understanding of molecular mechanisms regulating leukemia stem cell behavior by multi-omics analysis

Research Project

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Project/Area Number 23650593
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Tumor biology
Research InstitutionKanazawa University

Principal Investigator

HIRAO Atsushi  金沢大学, がん進展制御研究所, 教授 (90343350)

Project Period (FY) 2011
Keywords白血病幹細胞 / mTOR
Research Abstract

mTOR is an evolutionarily conserved kinase in eukaryotes that plays a critical role in sensing and responding to factors such as nutrient availability, energy sufficiency, stress, hormones, and mitogens. Since it was reported that mTOR complex 1(mTORC1) dysregulation promotes leukemogenesis and depletes hematopoietic stem cells, we attempted to understand the pathological roles of mTORC1 in leukemia behavior by multi-omics technology. In this study, we found that there are particular cell population showing obvious resistance to mTORC1 inactivation, and found several candidate molecules that are involved in the regulation of leukemia stem cells.

  • Research Products

    (15 results)

All 2012 2011

All Journal Article (9 results) (of which Peer Reviewed: 9 results) Presentation (6 results)

  • [Journal Article] mTORC1 is essential for leukemia-propagation but not stemcell self-renewal2012

    • Author(s)
      Hoshii T. TadokoroY. Naka K. Ooshio T. Muraguchi T. Sugiyama N. Soga T. Araki K. Yamamura K. Hirao
    • Journal Title

      J Clin. Invest.

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] Nucleostemin in injury-induced liver regeneration2012

    • Author(s)
      ShugoH, Ooshio T. Naito M, Naka K, Hoshii T. Tadokoro Y. Muraguchi T. Tamas A. Uema N. Yamashita T. Nakamoto Y. Suda T. Kaneko S. Hirao A.
    • Journal Title

      Stem Cells and Develop.

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] mTORC1 in Intestinal CD11c+CD11b+Dendritic Cells Regulates Intestinal Homeostasis by Promoting IL-10 Production2012

    • Author(s)
      Ohtani M, Hoshii T, Fujii H, Koyasu S, Hirao A, Matsuda S.
    • Journal Title

      J Immunol.

      Volume: 188 Pages: 4736-40

    • DOI

      DOI:10.4049/jimmunol.1200069

    • Peer Reviewed
  • [Journal Article] PI3K-Akt-mTORC1-S6K1/2 axis controls Th17 differentiation by regulating Gfi-1 expression and nuclear translocation of ROR2012

    • Author(s)
      Kurebayashi Y. Nagai S. Ikejiri A. Ohtani M. Ichiyama K. Baba Y. Yamada T. Egami S. Hoshii T. Hirao A. Matsuda S. Koyasu S.
    • Journal Title

      Cell Reports.

      Volume: 1 Pages: 360-373

    • DOI

      DOI:10.1016/j.celrep.2012.02.007

    • Peer Reviewed
  • [Journal Article] Inactivation of chk2 and mus81 leads to impaired lymphocytes development, reduced genomic instability, and suppression of cancer2011

    • Author(s)
      El Ghamrasni S, Pamidi A, Halaby MJ, Bohgaki M, Cardoso R, Li L, Venkatesan S, Sethu S, Hirao A, MakTW, Hande MP, Hakem A, Hakem R.
    • Journal Title

      PLoS Genet.

      Volume: 7

    • DOI

      DOI:10.1371/journal.pgen.1001385

    • Peer Reviewed
  • [Journal Article] Invasion precedestumor mass formation in a malignant brain tumor model of genetically modified neural stem cells2011

    • Author(s)
      Sampetrean O, Saga I, Nakanishi M, Sugihara E, Fukaya R, Onishi N, Osuka S, Akahata M, Kai K, Sugimoto H, Hirao A, Saya H.
    • Journal Title

      Neoplasia.

      Volume: 13 Pages: 784-91

    • DOI

      DOI:10.1593/neo.11624

    • Peer Reviewed
  • [Journal Article] Transientdepletion of p53 followed by transduction of c-Myc and K-Rasconverts ovarian stem-like cells into tumor-initiating cells2011

    • Author(s)
      Motohara T, Masuko S, Ishimoto T, Yae T, Onishi N, Muraguchi T, Hirao A, Matsuzaki Y, Tashiro H, Katabuchi H, Saya H, Nagano O.
    • Journal Title

      Carcinogenesis.

      Volume: 32 Pages: 1597-606

    • DOI

      DOI:10.1093/carcin/bgr183

    • Peer Reviewed
  • [Journal Article] Maintenance of genomic integrity in hematopoietic stem cells2011

    • Author(s)
      Naka K, Hirao A.
    • Journal Title

      Int J Hematol.

      Volume: 93 Pages: 434-9

    • DOI

      DOI:10.1007/s12185-011-0793-z

    • Peer Reviewed
  • [Journal Article] Molecular pathology of tumor-initiating cells : lessons from Philadelphia chromosome-positive leukemia2011

    • Author(s)
      Naka K, Hoshii T, Tadokoro Y, Hirao A.
    • Journal Title

      Pathol Int.

      Volume: 61 Pages: 501-8

    • DOI

      DOI:10.1007/s12185-011-0793-z

    • Peer Reviewed
  • [Presentation] 白血病治療抵抗性と幹細胞制御2011

    • Author(s)
      平尾敦
    • Organizer
      第16回分生研シンポジウム
    • Place of Presentation
      東京大学弥生講堂(東京)
    • Year and Date
      20112023
  • [Presentation] Roles of PI3K-AKT signalingin the maintenance of stem cellproperties in normal hematopoiesisand leukemia2011

    • Author(s)
      Hirao A
    • Organizer
      G0 symposium
    • Place of Presentation
      OIST(沖縄)
    • Year and Date
      2011-10-24
  • [Presentation] Molecular mechanismsregulating maintenance of leukemiastem cells by PI3K-AKT pathway2011

    • Author(s)
      Hirao A
    • Organizer
      第70回日本癌学会
    • Place of Presentation
      名古屋国際会議場(名古屋)
    • Year and Date
      2011-10-03
  • [Presentation] Role of PI3K-AKT signals inthe maintenance of stem cells innormal hematopoiesis and leukemia2011

    • Author(s)
      Hirao A
    • Organizer
      第84回日本生化学会
    • Place of Presentation
      国立京都国際会館(京都)
    • Year and Date
      2011-09-24
  • [Presentation] 白血病治療的抵抗性メカニズムと幹細胞2011

    • Author(s)
      平尾敦
    • Organizer
      北海道大学遺伝子病制御研究所共同研究集会
    • Place of Presentation
      北海道大学講堂(北海道)
    • Year and Date
      2011-09-07
  • [Presentation] PI3K-AKTシグナルによるがん幹細胞制御機構の解明と治療戦略2011

    • Author(s)
      平尾敦
    • Organizer
      日本がん分子標的治療学会
    • Place of Presentation
      ホテル日航東京(東京)
    • Year and Date
      2011-06-24

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Published: 2013-07-31  

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