Oxidative stress and Parkinson's disease.

Oxidative stress and Parkinson's disease.
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DOI:
10.3389/fnana.2015.00091
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发表时间:
2015
影响因子:
2.9
通讯作者:
Jackson-Lewis VR
Jackson-Lewis VR
中科院分区:
医学3区
文献类型:
--
作者:
Blesa J;Trigo-Damas I;Quiroga-Varela A;Jackson-Lewis VR

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帕金森病(PD)是一种慢性进行性神经系统疾病,其与大脑黑质中多巴胺能神经元的损失相关。这些神经元丢失的分子机制仍然难以捉摸。氧化应激被认为在多巴胺能神经毒性中起重要作用。呼吸链的复合物I缺陷是PD中大多数不利的神经元变性的原因。环境因素,如神经毒素,杀虫剂,杀虫剂,多巴胺(DA)本身,和PD相关蛋白的基因突变有助于线粒体功能障碍,先于活性氧形成。在这个迷你审查中,我们给出了一个更新的经典途径,涉及这些机制的神经变性,生化和分子事件,介导或调节DA神经元的脆弱性,以及PD相关的基因产物在调节细胞反应的氧化应激过程中的神经变性过程中的作用。
Parkinson disease (PD) is a chronic, progressive neurological disease that is associated with a loss of dopaminergic neurons in the substantia nigra pars compacta of the brain. The molecular mechanisms underlying the loss of these neurons still remain elusive. Oxidative stress is thought to play an important role in dopaminergic neurotoxicity. Complex I deficiencies of the respiratory chain account for the majority of unfavorable neuronal degeneration in PD. Environmental factors, such as neurotoxins, pesticides, insecticides, dopamine (DA) itself, and genetic mutations in PD-associated proteins contribute to mitochondrial dysfunction which precedes reactive oxygen species formation. In this mini review, we give an update of the classical pathways involving these mechanisms of neurodegeneration, the biochemical and molecular events that mediate or regulate DA neuronal vulnerability, and the role of PD-related gene products in modulating cellular responses to oxidative stress in the course of the neurodegenerative process.
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