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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.
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

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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 (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 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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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.
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基础科学和病原发生学

Pedro R Mena1, Andrew F Zaman1, Michael L Cuccaro2

  • 1University of Miami Miller School of Medicine, Miami, FL, USA.

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PubMed
概括
此摘要是机器生成的。

黎明研究正在为阿尔茨海默病 (AD) 研究建立多样化的遗传资源,旨在改善所有人群的理解和治疗. 这个倡议收集来自代表性不足的群体的大量数据,以推进AD遗传学.

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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.
  • 公共卫生 公共卫生

背景情况:

  • 黎明阿尔茨海默氏症研究研究是一项国际倡议,旨在增强阿尔茨海默氏症 (AD) 研究中的遗传多样性.
  • 它旨在通过收集来自不同人群的临床,社会,行为,环境,遗传和生物标记数据来创建一个全面的资源.

研究的目的:

  • 在AD研究中增加非洲血统 (非洲血统的美国人[AAA]和非洲土著人[IA]) 和拉丁美洲人 (LA) 的代表性.
  • 为了在所有人群中更好地理解和治疗AD,利用全面的遗传变异.

主要方法:

  • 从临床和社区环境中确定参与者,涵盖一系列认知状态 (AD/痴呆症,AD相关痴呆症,轻度认知障碍,没有认知障碍).
  • 标准化临床协议,包括历史,神经心理,功能,神经行为和流行病学评估,与阿尔茨海默氏病测序项目协调一致.
  • 严格的质量控制和数据处理使用决策树算法和基于审查者的裁决,适用于美国和非洲的网站.

主要成果:

  • 在前两年确定了超过5,000名参与者 (IA,AAA,LA),详细的人口统计和临床数据.
  • 参与者的人口统计:IA (58%女性,平均年龄74.5),AAA (81%女性,平均年龄71.6),LA (76%女性,平均年龄72.2).
  • 临床诊断的分布在各组之间有所不同,在NCI,AD和ADRD/MCI类别中占比很大.

结论:

  • 黎明研究已经成功确定和处理了5000多名参与者,证明了有成效的进展.
  • 这个合作项目将加速在不同人群中识别和理解阿尔茨海默病的遗传风险因素.