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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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Stages of infection describe what happens to a susceptible host once a pathogen invades the human body. The stages of infection are incubation, prodromal, illness, stage of decline, and convalescence. The incubation stage is the period from exposure to a pathogen until symptoms start. The infected person is unaware of impending illness as the pathogens grow and multiply within the body. The duration may vary depending on the type of infection. The incubation period of measles averages ten to...
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基础科学和病原发生学

Brian W Kunkle1,2, Lissette Gomez3, Giuseppe Tosto4

  • 1John P. Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Miami, FL, USA.

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概括
此摘要是机器生成的。

这项研究确定了阿尔茨海默病 (AD) 的新型遗传关联,这些关联在性别之间存在差异. 这些特定于性别的遗传因素可能解释了AD风险和进展的差异.

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科学领域:

  • 遗传学 遗传学 是一个
  • 神经科学是一个神经科学.
  • 疾病机制 疾病机制

背景情况:

  • 阿尔茨海默病 (AD) 的进展和病理表现出性别差异,这表明潜在的性别特异因素.
  • 虽然APOE基因型对AD风险的影响因性别而异,但其他特定于性别的遗传关联在很大程度上仍未被探索.

研究的目的:

  • 为了确定阿尔茨海默病 (AD) 的新型性别特异性遗传关联.
  • 使用大型阿尔茨海默氏病遗传学联盟 (ADGC) 和阿尔茨海默氏病测序项目 (ADSP) 数据集进行全基因组性别意识的元分析.

主要方法:

  • 在ADGC的多祖先全基因组归算AD数据集上进行了性别相互作用和性别分层分析.
  • 在从ADSP获得的全基因组测序数据上进行基于STAAR聚合的罕见变异测试,采用祖先多样化的样本.

主要成果:

  • 确定了几个具有性别特异关联的位点,包括STXBP6,MAP4K5和PICALM的男性特异变体.
  • 在APOE附近发现了NPAS3,ZNF438和NECTIN2等与女性相关的基位;确定了祖先特定的关联 (例如,亚洲男性的COL4A2,非洲女性的C16orf96).
  • 罕见变体测试揭示了女性的新型全基因组显著关联 (例如,SH3BP1) 和人口特异性关联 (例如,SERTAD4,PSMA5),以及男性特异性影响 (例如,MORC1,ITPKA).

结论:

  • 在含有AD相关基因的位点 (例如STXBP6,NPAS3,COL4A2,ITPKA,MORC1) 确定了特定性别的AD遗传关联.
  • 这些发现强调了在AD遗传研究中考虑性别的重要性.
  • 了解这些性别特异性关联可能会阐明男性和女性之间AD风险和进展的差异.