颗粒物引起的表观遗传修饰和肺部并发症
Muhammed Afthab1, Shadi Hambo1, Hyunji Kim1
1Institute for Medical Microbiology and Virology, University Hospital Dresden, TU Dresden, Dresden, Germany.
概括
颗粒物 (PM) 空气污染通过表观遗传变化改变基因表达,使肺部疾病恶化. 针对这些表观遗传修饰,为PM引起的肺部并发症提供了潜在的新疗法.
科学领域:
- 环境健康 环境健康
- 分子生物学分子生物学
- 肺部病理学 肺部病理学
背景情况:
- 空气污染,特别是颗粒物 (PM),是全球过早死亡的主要原因.
- 根据大小分类的PM (PM10,PM2.5,PM0.5),透到肺部的深处,加剧呼吸道疾病.
- 像喘,COPD和肺癌这样的肺部并发症因PM暴露而显著恶化.
研究的目的:
- 审查PM2.5暴露在肺部并发症中引起的表观遗传修饰.
- 探索PM如何通过表观遗传机制影响基因表达和调节.
- 突出针对这些表观遗传变化的治疗潜力.
主要方法:
- 文献审查侧重于PM2.5暴露和肺部健康.
- 分析研究调查表观遗传修饰 (DNA甲基化,基因质修饰,微RNAs) 作为对PM的反应.
- 检查PM诱导的表观遗传变化与肺部疾病进展之间的联系.
主要成果:
- 暴露于PM2.5会触发肺组织中的表观遗传修饰.
- 这些修改改变了基因表达模式,有助于肺部疾病的发病.
- 特定的表观遗传途径被确定为PM有害影响的关键调解者.
结论:
- 表观遗传修饰对于了解PM2.5相关的肺损伤至关重要.
- 向表观遗传机制为新的治疗策略提供了一个有希望的途径.
- 对这些途径的进一步研究可能会导致空气污染引起的肺部疾病的有效治疗.
相关概念视频
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
2.7K
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
2.7K
Epigenetic Regulation
3.0K
Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
X-chromosome...
3.0K
Chronic Obstructive Pulmonary Disease-I: Introduction
2.8K
Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
2.8K
Asthma-I: Introduction
2.6K
Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
2.6K
Asthma: Pathogenesis and Management
359
Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
359
Asthma-II: Pathophysiology and Classification
2.6K
Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
2.6K


