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Quality-control pathway unlocked

机译:质量控制途径得到释放

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摘要

Parkinsons disease, a progressive neuro-degenerative disorder, has long been hypothesized to be caused by defects in organelles called mitochondria, which power mammalian cells through the production of ATP molecules. An accumulation of dysfunctional mitochondria may lead not only to a cellular energy crisis, but also to excessive production of toxic by-products. Two enzymes implicated in Parkinsons disease, PINK1 and parkin, are thought to be involved in the disposal of defective mitochondria, but how the two proteins interact has been unclear. A trio of studies (by Kane et al., writing in the Journal of Cell Biology; by Kazlauskaite et al., in the Biochemical Journal; and by Koyano et al., on page 162 of this issue) now report that phosphorylated ubiquitin protein is the link between PINK1 and parkin, providing insights into a complex system of parkin regulation.
机译:帕金森氏病是一种进行性神经退行性疾病,长期以来一直被认为是由称为线粒体的细胞器缺陷引起的,线粒体通过产生ATP分子为哺乳动物细胞提供动力。线粒体功能障碍的积累不仅可能导致细胞能量危机,而且可能导致有毒副产物的过量产生。认为与帕金森氏病有关的两种酶PINK1和帕金森可能参与处理有缺陷的线粒体,但尚不清楚这两种蛋白如何相互作用。三项研究(由Kane等人撰写,发表在《细胞生物学杂志》上;由Kazlauskaite等撰写,在《生化杂志》上;以及由Koyano等撰写,在本期第162页上)现在报告了磷酸化的泛素蛋白是PINK1和parkin之间的链接,可提供对复杂的parkin调节系统的见解。

著录项

  • 来源
    《Nature》 |2014年第7503期|44-45|共2页
  • 作者

    ASA ABELIOVICH;

  • 作者单位

    Departments of Pathology, Cell Biology and Neurology,and at the Taub Institute, Columbia University, New York, New York 10032, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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