常见的化学增塑剂二二乙基基) 甲酸盐暴露 恶化 考克萨基病毒 B3 感染
Ramina Kordbacheh1, Madelyn Ashley1, William D Cutts1
1Department of Biological Sciences, University of Alabama, Tuscaloosa, AL 35487, USA.
Viruses
|January 8, 2025
概括
暴露于二二甲基甲酸盐 (DEHP) 显著增加了人类细胞中Coxsackievirus B3 (CVB) 感染. 这种可塑剂可能会通过干扰免疫反应和增加病毒进入因子来恶化病毒感染.
科学领域:
- 环境健康 环境健康
- 病毒学 病毒学
- 毒理学 毒理学 毒理学
背景情况:
- 2-乙烯基) 甲酸盐 (DEHP) 是一种广泛使用的增塑剂,与有害健康影响有关.
- 考克萨基病毒B3 (CVB) 引起感染,但影响疾病严重程度的因素尚不清楚.
研究的目的:
- 调查DEHP对各种人类细胞类型的CVB感染的影响.
- 评估DEHP作为可能加剧病毒感染的环境因素.
主要方法:
- 在CVB感染之前,人类细胞系 (HeLa,iBECs,Caco-2) 暴露于DEHP.
- 使用光显微镜,流动细胞计,斑块检测和西部斑点测试来评估感染的严重程度.
- 量化了与干扰素相关的蛋白质 (IRF3,IRF7,IFITM2,IFITM3) 和病毒蛋白VP1;通过siRNA研究了IFITM的作用.
主要成果:
- 在所有测试的细胞类型中,DEHP显著增强了CVB感染.
- DEHP似乎破坏了CVB诱导的干扰素信号通路.
- 观察到干扰素诱导的跨膜蛋白 (IFITM) 的水平升高,可能有助于病毒进入.
结论:
- DEHP可能起到前病毒性环境因素的作用,增加CVB感染的严重程度.
- 了解DEHP的机制可以澄清其在恶化病毒病原发生的作用.
更多相关视频
相关概念视频
Types of Toxins
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Drug Toxicity: Allergic Reactions
Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial exposure to a...
Myocarditis III: Medical Management
Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
Diphtheria
Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...
Cytomegalovirus Disease
Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
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...


