饮食诱导的肥胖影响流感疾病的严重程度和鱼的传播动态
bioRxiv : the preprint server for biology
|October 9, 2023
概括
肥胖会通过改变肺部环境和降低抗病毒反应,加剧流感的严重程度和传播. 一种新的肥胖模型有助于研究这些影响,并为这个高风险群体开发干预措施.
科学领域:
- 免疫学 免疫学 免疫学
- 病毒学 病毒学
- 肥胖问题研究研究
背景情况:
- 肥胖和代谢综合征增加了对传染病的易感性和严重程度,包括流感.
- 将肥胖与增加传染病风险联系在一起的机制尚未完全理解.
- 肥胖率的上升,特别是在儿童中,需要研究宿主状态对疾病的影响.
研究的目的:
- 调查肥胖对流感疾病严重程度和传播的影响,使用新模型.
- 探索肥胖如何改变肺部微环境,并在病毒感染期间主持抗病毒反应.
主要方法:
- 开发和利用一种饮食诱导的肥胖模型.
- 采用新的工具来评估肺部微环境的变化和病毒传播.
- 在肥胖和对照中测量病毒分泌时间和传染性病毒水平.
主要成果:
- 中的肥胖导致了肺微环境的显著变化,反映了人类的反应.
- 肥胖的临床疾病严重程度增加,病毒扩散到下呼吸道增加.
- 肥胖动物的抗病毒反应减少导致长时间流失更高的传染性病毒标位.
结论:
- 肥胖模型对于了解肥胖对流感的影响至关重要.
- 这种模式可以促进对高风险肥胖人口的治疗和干预开发.
- 这些发现强调了宿主状态在呼吸道病毒病原和传播中的作用.
相关概念视频
Obesity
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in adipocytes...
Stress Prevention and Stress Management Techniques IV
Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
Rate of Change: Problem Solving
Temperature-Dependent Growth of Brook TroutThe growth of brook trout is closely influenced by water temperature. Experimental data demonstrate how trout weight changes over a 24-day period in response to varying water temperatures. At lower temperatures, such as 15.5 degrees Celsius, brook trout show significant weight gain. However, as the temperature increases, the amount of weight gained steadily decreases. At the highest temperature measured, 24.4 degrees Celsius, trout experience a net...
Sources of Food Contamination
Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...
Influenza
Influenza is an acute, highly communicable viral disease that affects the respiratory tract and is responsible for seasonal epidemics worldwide. Influenza A is the most prevalent type associated with widespread outbreaks and is subtyped based on two surface glycoproteins: hemagglutinin (H) and neuraminidase (N), as in H1N1. These glycoproteins are essential for viral infectivity, transmission, and immune recognition. Transmission occurs primarily through respiratory droplets and contaminated...
Hepatitis
Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...


