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相关概念视频

Infection01:20

Infection

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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.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
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Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

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The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
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Cystic Fibrosis: Pathogenesis01:23

Cystic Fibrosis: Pathogenesis

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Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
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Stages of Infection01:26

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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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Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
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基础科学和病原发生学

Karen Nuytemans1,2, Liyong Wang1,3, Luciana Bertholim Nasciben2

  • 1Dr. John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL, USA.

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概括
此摘要是机器生成的。

在非编码区域中识别阿尔茨海默病 (AD) 易感基因是具有挑战性的. 增强的Hi-C捕获分析 (eHiCA) 在模两可的AD全基因组关联研究位点中成功提名了候选基因.

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科学领域:

  • 基因组学就是基因组学.
  • 神经科学是一个神经科学.
  • 分子生物学分子生物学

背景情况:

  • 在阿尔茨海默病 (AD) 的非编码全基因组关联研究 (GWAS) 位点中识别易感性基因是复杂的,这是由于长距离的调节元素相互作用.
  • 模两可的AD GWAS位点往往缺乏明确的候选基因或变异,阻碍了疾病驱动因素的确定.
  • 高分辨率的Hi-C数据可以绘制基因组相互作用的地图,以解决这些具有挑战性的位置中的监管架构.

研究的目的:

  • 在模糊的非编码AD GWAS位点中识别潜在的易感基因.
  • 利用高分辨率的Hi-C数据和增强的Hi-C捕获分析 (eHiCA) 来绘制监管相互作用.
  • 在复杂的AD GWAS位置内提名候选基因.

主要方法:

  • 从大脑前皮层和iPSC衍生的AD相关细胞构建Hi-C库.
  • 在5kb分辨率的DeepLoop管道中应用增强的Hi-C捕获分析 (eHiCA).
  • 分析的重点是来自Bellenguez等的六个模两可的AD GWAS位置. 在非西班牙裔白人身上进行研究.

主要成果:

  • 在PICALM/EED位点中,PICALM被确定为最强的候选敏感性基因.
  • USP6NL/ECHDC3和BCKDK/KAT8位点分别显示了CELF2和SETD1A,作为循环候选基因.
  • NME8和ADAM10在各自的位置被提名,GWAS变体与促进者/增强者地区联系在一起.

结论:

  • eHiCA有效地在缺乏明确候选人的非编码AD GWAS位点中提名候选基因.
  • 染色体调节图是解剖AD中复杂的遗传关联的宝贵工具.
  • 这种方法通过解决监管要素及其目标来增强对AD基因组学的理解.