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Generation of ES cells to meseare DNA repair activity with reporter genes

Research Project

Project/Area Number 25550026
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Risk sciences of radiation and chemicals
Research InstitutionKyoto University

Principal Investigator

KOBAYASHI Junya  京都大学, 放射線生物研究センター, 准教授 (30301302)

Co-Investigator(Kenkyū-buntansha) HONDA Hiroaki  広島大学, 原爆放射線医科学研究所, 教授 (40245064)
KATO Akihiro  京都大学, 放射線生物研究センター, 研究員 (70423051)
KOMATSU Kenshi  京都大学, 放射線生物研究センター, 教授 (80124577)
Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
KeywordsDNA修復 / 相同組換え / 非相同末端結合 / 放射線 / DNA損傷
Outline of Final Research Achievements

In order to investigate radiosensitivity in children, we generated the system in ES cells to measure the activity of homologous recombination (HR) repair or non-homologous endjoining (NHEJ) repair. We introduce a specific site of genomic DNA to HR or NHEJ reporter construct. As a result, we got several ES cell lines, which could express NHEJ after generation of DNA double-strand break and possess differentiation potency.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (4 results)

All 2014 2013

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 3 results,  Acknowledgement Compliant: 1 results)

  • [Journal Article] Mutations in the FHA-domain of ectopically expressed NBS1 lead to Radiosensitization and to no increase in somatic mutation rates via a partial suppression of homologous recombination2014

    • Author(s)
      Maki Ohara, Yumi Funyu, Shunsuke Ebara, Yuki Sakamoto, Ryota Seki, Kenta Iijima, Akiko Ohishi, Junya Kobayashi, Kenshi Komatsu, Akira Tachibana, and Hiroshi Tauchi
    • Journal Title

      J. Radiat. Res

      Volume: 55 Issue: 4 Pages: 690-698

    • DOI

      10.1093/jrr/rru011

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] DNA damage signaling guards against perturbation of cyclin D1 expression triggered by low-dose long-term fractionated radiation2014

    • Author(s)
      Shimura T, Kobayashi J, Komatsu K, Kunugita N
    • Journal Title

      Oncogenesis

      Volume: 3 Issue: 12 Pages: e132-e132

    • DOI

      10.1038/oncsis.2014.48

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Histone chaperone FACT regulates homologous recombination by chromatin remodeling through interaction with RNF20.2014

    • Author(s)
      Oliveira DV, Kato A, Nakamura K, Ikura T, Okada M, Kobayashi J, Yanagihara H, Saito Y, Tauchi H, Komatsu K
    • Journal Title

      J Cell Sci

      Volume: 127 Pages: 763-772

    • DOI

      10.1242/jcs.135855

    • Related Report
      2013 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] The proteasome factor Bag101 binds to Rad22 and suppresses homologous recombination.2013

    • Author(s)
      Saito Y, Takeda J, Okada M, Kobayashi J, Kato A, Hirota K, Taoka M, Matsumoto T, Komatsu K, Isobe T.
    • Journal Title

      Sci Rep.

      Volume: 3 Issue: 1 Pages: 2022-2022

    • DOI

      10.1038/srep02022

    • Related Report
      2013 Research-status Report
    • Peer Reviewed

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Published: 2014-07-25   Modified: 2019-07-29  

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