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Understanding of the molecular mechanisms of hematopoietic stem cell heterogeneity by quiescence regulatory factors

Research Project

Project/Area Number 26460361
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field General medical chemistry
Research InstitutionKanazawa University

Principal Investigator

Ueno Masaya  金沢大学, がん進展制御研究所, 助教 (20334766)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords幹細胞 / 白血病 / 不均一性 / 治療抵抗性 / 白血病幹細胞の分子基盤解析 / 造血幹細胞の分子基盤解析
Outline of Final Research Achievements

Recent studies have revealed that hematopoietic stem cells (HSCs) form heterogeneous population with extremely diverse biological properties. By maintaining the heterogeneity, HSCs maintain the hematopoietic system for whole life, and it seems that it contributes to respond to various stresses. In this study, we focused on mTOR complex and forkhead transcription factor, FOXO, which are essential for survival and cell cycle regulation, and we identified molecules that are regulated by these pathways. Furthermore, by performing CRISPR/Cas9 screening system, we identified multiple functional molecules that contribute to regulate heterogeneity of HSCs and leukemic stem cells.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (3 results)

All 2016 2014

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results,  Acknowledgement Compliant: 1 results)

  • [Journal Article] Therapeutic strategy for targeting aggressive malignant gliomas by disrupting their energy balance2016

    • Author(s)
      Hegazy AM, Yamada D, Kobayashi M, Kohno S, Ueno M, Ali MA, Ohta K, Tadokoro Y, Ino Y, Todo T, Soga T, Takahashi C, Hirao A.
    • Journal Title

      J Biol Chem.

      Volume: 291 Issue: 41 Pages: 21496

    • DOI

      10.1074/jbc.m116.734756

    • URL

      https://pure.teikyo.jp/en/publications/4fe8f15b-bacb-416b-913c-78075a763db0

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Association of a murine leukaemia stem cell gene signature based on nucleostemin promoter activity with prognosis of acute myeloid leukaemia in patients.2014

    • Author(s)
      Ali MA, Naka K, Yoshida A, Fuse K, Kasada A, Hoshii T, Tadokoro Y, Ueno M, Ohta K, Kobayashi M, Takahashi C, Hirao A.
    • Journal Title

      Biochem Biophys Res Commun.

      Volume: 450 Issue: 1 Pages: 837-843

    • DOI

      10.1016/j.bbrc.2014.06.066

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Loss of Tsc1 accelerates malignant gliomagenesis when combined with oncogenic signals.2014

    • Author(s)
      Yamada D, Hoshii T, Tanaka S, Hegazy AM, Kobayashi M, Tadokoro Y, Ohta K, Ueno M, Ali MAE, Hirao A.
    • Journal Title

      J Biochem.

      Volume: 155 Issue: 4 Pages: 227-33

    • DOI

      10.1093/jb/mvt112

    • Related Report
      2014 Research-status Report
    • Peer Reviewed

URL: 

Published: 2014-04-04   Modified: 2018-03-22  

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