Research of the relationship between accumulation of mtDNA deletions and bipolar disorder in an animal model

动物模型中线粒体DNA缺失积累与躁郁症关系的研究

基本信息

  • 批准号:
    20790865
  • 负责人:
  • 金额:
    $ 2.58万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Young Scientists (B)
  • 财政年份:
    2008
  • 资助国家:
    日本
  • 起止时间:
    2008 至 2009
  • 项目状态:
    已结题

项目摘要

We found that exponential accumulation of mtDNAs deletions with ageing, but not mtDNA copy number per cell, are enhanced in muscles and the brains of heterozygous knock-in mice carrying a mutation (D257A) in mtDNA polymerase (PolgA), one of the causative genes of CPEO and related diseases, which often accompany mood disorder. Tissue-specific accumulation of mtDNA deletions suggests that PolgA^<+/D257A> mice are suitable for an animal model of CPEO. PolgA^<+/D257A> mice did not show behavioural changes by conventional behavioural test battery, but showed distorted day-night rhythm. This phenotype resembled the phenotype seen in the other line of mutant mice. There is possibility that accumulation of mtDNA deletions causes mood disorders.
我们发现,携带mtDNA聚合酶(PolgA)突变(D257A)的杂合敲入小鼠的肌肉和大脑中,mtDNA缺失的指数积累随着年龄的增长而增强,而不是每个细胞的mtDNA拷贝数,PolgA是CPEO和相关疾病的致病基因之一,通常伴随情绪障碍。mtDNA缺失的组织特异性积累表明,PolgA^<+/D257A>小鼠适合用于CPEO动物模型。PolgA^<+/D257A>小鼠未表现出常规行为测试电池的行为改变,但表现出昼夜节律扭曲。这种表型与另一种突变小鼠的表型相似。mtDNA缺失的积累有可能导致情绪障碍。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Accumulation of mitochondrial DNA deletions in the brains of Polg^<D257A> knock-in mice
Polg^<D257A> 敲入小鼠大脑中线粒体 DNA 缺失的积累
  • DOI:
  • 发表时间:
    2009
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Satoshi Fuke;Mizue Kametani;Tadafumi Kato;Satoshi Fuke;Satoshi Fuke;Satoshi Fuke
  • 通讯作者:
    Satoshi Fuke
Accumulation of mitochondrial DNA deletions in the brains of PolgD257A knock-in mice
PolgD257A 敲入小鼠大脑中线粒体 DNA 缺失的积累
  • DOI:
  • 发表时间:
    2009
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Satoshi Fuke;Mizue Kametani;Tadafumi Kato;Satoshi Fuke;Satoshi Fuke
  • 通讯作者:
    Satoshi Fuke
Detection of newly generated mitochondrial DNA in neurons using BrdU (5-bromo-2-deoxyuridine)
使用 BrdU(5-溴-2-脱氧尿苷)检测神经元中新生成的线粒体 DNA
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Satoshi Fuke;Mizue Kametani;Tadafumi Kato;Satoshi Fuke;Satoshi Fuke;Satoshi Fuke;Satoshi Fuke;福家聡;Satoshi Fuke
  • 通讯作者:
    Satoshi Fuke
Quantitative analysis of the 4977-bp common deletion of mitochondrial DNA in postmortem frontal cortex from patients with bipolar disorder and schizophrenia
  • DOI:
    10.1016/j.neulet.2008.05.009
  • 发表时间:
    2008-07-11
  • 期刊:
  • 影响因子:
    2.5
  • 作者:
    Fuke, Satoshi;Kametani, Mizue;Kato, Tadafumi
  • 通讯作者:
    Kato, Tadafumi
Quantitative analysis of accumulation of the 4977-bp common deletion of mitochondrial DNA in the postmortem brain from patients with bipolar disorder and schizophrenia
双相情感障碍和精神分裂症患者死后大脑中线粒体 DNA 4977 bp 常见缺失积累的定量分析
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Satoshi Fuke;Mizue Kametani;Tadafumi Kato;Satoshi Fuke;Satoshi Fuke;Satoshi Fuke;Satoshi Fuke
  • 通讯作者:
    Satoshi Fuke
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FUKE Satoshi的其他文献

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