由新兴微污染物调节的人类腺病毒感染的刺激
Catielen Paula Pavi1, Yasmin Ferreira Souza Hoffmann Jempierre1, Lucas Zanchetta1
1Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Universitário Trindade, Florianópolis, Santa Catarina, 88040-900, Brazil.
Food and environmental virology
|January 22, 2026
概括
新兴污染物如药品和微塑料可以增强病毒复制,但只有在体温下. 在共同化期间观察到的这种相互作用表明废水环境中的潜在风险.
科学领域:
- 环境科学 环境科学
- 病毒学 病毒学
- 毒理学 毒理学 毒理学
背景情况:
- 新出现的令人担忧的污染物 (CEC),包括药品和微塑料,在水生生态系统中普遍存在.
- CEC 和病毒病原体之间的相互作用尚未得到充分理解.
- 人类腺病毒5型 (HAdV-5) 是一种常见的人类病原体.
研究的目的:
- 研究CECs对HAdV-5复制的影响.
- 为了确定CEC是否通过直接的物理化学相互作用影响病毒感染力.
- 探索CECs对病毒复制的温度依赖的影响.
主要方法:
- 使用A549细胞进行了体外测试.
- 暴露场景模拟了病毒复制周期的不同阶段.
- 测试的CEC包括抗生素,抗抑郁药,微纤维和纳米塑料.
- 在与CEC在生理和室温下共同化后,评估了病毒复制.
主要成果:
- 个体感染前或感染后接触CEC并没有显著改变HAdV-5的复制.
- 在37°C时与HAdV-5共同化CEC,显著增加病毒复制率,高达1.5 log10.
- 在室温下没有观察到病毒复制增强.
- 结果表明,CEC与病毒之间存在温度依赖的物理化学相互作用.
结论:
- CECs可以调节病毒感染力,特别是在生理温度下.
- CEC和病毒之间的物理化学相互作用可能是增强复制的原因.
- 病毒和CEC在废水环境中的同时存在可能会增加风险.
- 需要进一步的研究来了解CEC对水生生态系统中的病毒病原体的全部影响.
相关概念视频
Emerging Adulthood
644
Jeffrey Arnett's concept of emerging adulthood offers a framework to understand the unique developmental stage between adolescence and full-fledged adulthood, generally from ages 18 to 25. This period is marked by extensive exploration and shifts in identity, relationships, and career choices, a process known in psychology as role experimentation. Emerging adulthood reflects the evolving cultural expectations surrounding adulthood and the dynamic process of personal transformation during...
644
Introduction Cardiac Emergencies
301
Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...
301
Applications of GIS: Disaster Management and Emergency Response
484
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
484
Stimulants
873
Stimulants are substances that enhance neural activity and elevate dopamine levels in the brain, leading to their highly addictive nature. These drugs include cocaine, amphetamines, MDMA, caffeine, and nicotine, each with distinct mechanisms of action and varied health implications.
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
873
Infection
12.0K
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...
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...
12.0K
Stages of Infection
65.1K
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...
65.1K


