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Mechanisms of Centrosome Aberrations Induced by DNA damage

Mechanisms of Centrosome Aberrations Induced by DNA damage
DNA损伤引起中心体畸变的机制
批准号:
21310034
负责人:
MIYAGAWA Kiyoshi
金额:
$11.81万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

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中文摘要
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英文摘要
Maintenance of centrosome numbers is required for correct chromosome segregation, and radiation induces its aberrations. In order to understand their mechanisms, we investigated roles of the DNA damage response in maintenance of centrosome integrity. We found that activation of the signaling pathway mediated by ATR and Chk1 causes supernumerary centrosomes when homologous recombination repair is inhibited. Supernumerary centrosomes are frequently observed in cancer. We also found that activation of ATM is involved in centrosome aberrations when SYCE2, a cancer testis antigen, is expressed. Additionally, aneuploidy is induced by centrosome-independent mechanisms in cells defective in homologous recombination repair, indicating that multiple pathways are involved in regulation of chromosome integrity.
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DOI: 10.1016/j.freeradbiomed.2011.11.006
发表时间: 2012-01-15
期刊: FREE RADICAL BIOLOGY AND MEDICINE
影响因子: 7.4
作者: [Enomoto, Atsushi, Kido, Naoki, Miyagawa, Kiyoshi]
通讯作者: Miyagawa, Kiyoshi
DNA損傷修復の核ダイナミクス
DNA损伤修复的核动力学
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [宮川清]
通讯作者: 宮川清
The synaptonemal complex protein SYCE2 induces chromosome instability in mitotic cells through activation of the ataxia-telangiectasia-mutated kinase
联会复合体蛋白 SYCE2 通过激活共济失调毛细血管扩张突变激酶诱导有丝分裂细胞染色体不稳定
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Hosoya N, Miyagawa K]
通讯作者: Miyagawa K
DOI: 10.1038/embor.2011.221
发表时间: 2011-12-23
期刊: EMBO REPORTS
影响因子: 7.7
作者: [Hosoya, Noriko, Okajima, Miyuki, Kinomura, Aiko, Fujii, Yoshihiro, Hiyama, Takashi, Sun, Jiying, Tashiro, Satoshi, Miyagawa, Kiyoshi]
通讯作者: Miyagawa, Kiyoshi
Regulation of radiation sensitivity by a pathway linking DNA repair with cell-cycle control
  • 批准号:
    15H04902
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 资助金额:
    $11.23万
  • 财政年份:
    2015
  • 负责人:
    MIYAGAWA Kiyoshi
  • 依托单位:
Reguratory mechanisms of radiation sensitivity by molecules expressed in epigenetics-dependent manners
  • 批准号:
    24390289
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 资助金额:
    $11.4万
  • 财政年份:
    2012
  • 负责人:
    MIYAGAWA Kiyoshi
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Individualized Cancer Therapy Using Cancer Testis Antigens
  • 批准号:
    22650233
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
  • 资助金额:
    $2.17万
  • 财政年份:
    2010
  • 负责人:
    MIYAGAWA Kiyoshi
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Mechanisms of the signal transduction machinery in response to spontaneous DNA damage in human cells
  • 批准号:
    18310037
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 资助金额:
    $11.51万
  • 财政年份:
    2006
  • 负责人:
    MIYAGAWA Kiyoshi
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  • 批准年份:
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    Q24H040016
  • 项目类别:
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