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A paradigm shift by two Ku80: New model of the radiation-induced DNA damage response mechanism in human cells

Research Project

Project/Area Number 24510077
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Risk sciences of radiation/Chemicals
Research InstitutionNational Institute of Radiological Sciences

Principal Investigator

KOIKE MANABU  独立行政法人放射線医学総合研究所, 放射線防護研究センター, 主任研究員 (70280740)

Co-Investigator(Renkei-kenkyūsha) KOIKE Aki  独立行政法人放射線医学総合研究所, 放射線防護研究センター, 技術員 (50415410)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2012: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
KeywordsKu80
Outline of Final Research Achievements

Ku (the heterodimer of Ku70 and Ku80) plays a pivotal role in the DNA double-strand break (DSB) repair pathway (non-homologous end-joining (NHEJ). It has reported that two isoforms of Ku80 encoded by the same genes are expressed and function in primate cells, but not in rodent cells. In this study, our data suggested the possibility that nuclear localization signal of one isoform is localized not only in the C-terminal region, but also in the N-terminal region. In addition, we generated a transgenic mouse that were introduced GFP-KARP-1(1-88). These information and the mouse generated might be useful for study of KARP-1(1-88) functions and the DSB repair pathway.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (1 results)

All 2013

All Journal Article (1 results) (of which Peer Reviewed: 1 results)

  • [Journal Article] Ku80 attentuates cytotoxicity induced by green fluorescent protein transduction independently of non-homologous end joining.2013

    • Author(s)
      Koike M*, Yutoku Y, Koike A.
    • Journal Title

      FEBS Open Bio

      Volume: 3 Issue: 1 Pages: 46-50

    • DOI

      10.1016/j.fob.2012.12.001

    • Related Report
      2012 Research-status Report
    • Peer Reviewed

URL: 

Published: 2013-05-31   Modified: 2019-07-29  

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