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Infection01:20

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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
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基础科学和病原发生学

Artur Shvetcov1,2,3, Erik C B Johnson4,5, Laura M Winchester6

  • 1Discipline of Psychiatry and Mental Health, University of New South Wales, Sydney, NSW, Australia.

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此摘要是机器生成的。

阿波利波蛋白E ε4 (APOE4) 载体在血和脑脊液中表现出一致的蛋白质变化,无论神经退行性疾病的诊断如何. 这些系统性变化与生活方式因素相互作用,影响疾病风险和进展.

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科学领域:

  • 神经科学是一个神经科学.
  • 遗传学 是一个遗传学.
  • 蛋白质组学是指蛋白质组学.

背景情况:

  • 阿波利波蛋白E ε4 (APOE4) 是阿尔茨海默病 (AD) 的主要遗传风险因素.
  • 携带APOE4的患者在前性痴呆症 (FTD) 和帕金森病 (PD) 中也有增加的风险和疾病进展的改变.
  • 将APOE4与这些神经退行性疾病联系在一起的潜在机制在很大程度上是未知的.

研究的目的:

  • 识别血,脑脊液 (CSF) 和大脑中APOE4特异性的分子机制.
  • 研究神经退行性疾病中受APOE4载体影响的统一通路.

主要方法:

  • 基于机器学习的蛋白质组分析是在不同神经退行性疾病状态 (NI,AD,FTD,PD) 的APOE4载体和非载体样本上进行的.
  • 使用SomaScan 7k测定和质谱测试来获取蛋白质组数据.
  • 采用相互信息,分类和回归树以及网络分析来识别APOE4相关蛋白及其与临床变量之间的关系.

主要成果:

  • 无论诊断如何,APOE4载体在血和脑脊液中都表现出共同的蛋白质体特征,这与免疫失调,炎症和核酸过程有关.
  • 大脑蛋白质组分析证实了APOE4载体中这些改变的途径.
  • 在APOE4相关蛋白与生活方式和并发症等临床因素之间观察到疾病特异性相关性.

结论:

  • 携带APOE4与超越中枢神经系统的全身生物变化有关.
  • 这些系统性变化是神经退行性疾病发展的关键,但不足的因素.
  • APOE4蛋白质特征与生活方式/临床因素之间的相互作用是疾病特异性的.