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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

Davis C Woodworth1, Jerry Jierui Lou1, William H Yong1

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衰老的海马硬化症 (HS-A) 与边缘主导的与年龄相关的TDP-43脑病变 (LATE-NC) 密切相关. 血管变化也与HS-A相关,独立于LATE-NC.

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科学领域:

  • 神经病理学神经病理学
  • 老年医学 老年医学
  • 神经退行性疾病 神经退行性疾病

背景情况:

  • 衰老的海马硬化症 (HS-A) 影响高达20%的老年痴呆症患者,其特征是海马中的神经元损失和化.
  • HS-A与边缘主导的与年龄相关的TDP-43脑病变 (LATE-NC) 密切相关,但其与其他神经病理变化 (NCs) 的关系需要澄清.
  • 考虑到LATE-NC在调查其他NC与HS-A之间的关联时至关重要,因为它们之间关系密切.

研究的目的:

  • 为了研究常见的神经病理变化 (NCs) 和老化性海马硬化症 (HS-A) 之间的关联.
  • 为了确定这些关联是否在考虑边缘主导的与年龄相关的TDP-43脑病变 (LATE-NC) 之后仍然存在.

主要方法:

  • 利用了来自国家阿尔茨海默氏症协调中心 (NACC) 的数据,不包括前叶退化症 (FTLD).
  • 检查了阿尔茨海默氏症神经病理变化 (ADNC),勒维体 (LB) 和脑血管病理与HS-A的关联,并没有对LATE-NC阶段进行控制.
  • 采用贝叶斯的多层次物流回归模型,报告赔率比率 (OR) 和95%可信度间隔 (CI).

主要成果:

  • 临主导的与年龄相关的TDP-43脑病变 (LATE-NC) 显示与衰老的海马硬化症 (HS-A) 有着强烈的关联 (平均OR=3.7).
  • 阿尔茨海默病的神经病理变化 (ADNC) 与HS-A的相关性在考虑LATE-NC (OR=1.11) 后减少.
  • 脑血管变化,包括动脉样硬化,动脉样硬化和白质稀缺 (WMR),在考虑LATE-NC (ORs~1.5) 之前和之后都与HS-A有关.

结论:

  • 衰老的海马硬化症 (HS-A) 与边缘主导的与年龄有关的TDP-43脑病变 (LATE-NC) 有着强烈而独特的关系.
  • 血管神经病理变化 (动脉样硬化,动脉样硬化和WMR) 独立地与HS-A相关.
  • 这些发现凸显了LATE-NC和血管因素在HS-A发展中的独特作用.