在COPD患者的第三次COVID-19疫苗接种后,呼吸道和全身免疫反应
Thomas Southworth1,2, Natalie Jackson2, Dave Singh1,2,3
1Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, UK.
International journal of chronic obstructive pulmonary disease
|December 25, 2023
概括
第三次COVID-19疫苗剂量可以提高COPD患者的全身和呼吸道免疫力. 然而,与早期的菌株相比,免疫反应对Omicron变种的有效性较低.
科学领域:
- 免疫学 免疫学 免疫学
- 呼吸系统医学 呼吸系统医学
- 疫苗学 疫苗学 疫苗学
背景情况:
- 慢性肺炎患者面临来自SARS-CoV-2感染的更高风险.
- 补充疫苗接种对于持续的COVID-19保护至关重要.
- 之前的研究缺乏疫苗接种前的数据来评估COPD患者的免疫反应.
研究的目的:
- 纵向评估COPD患者在第三次COVID-19疫苗接种后的全身和呼吸道免疫反应.
- 为了比较疫苗接种前和接种后的免疫反应.
- 评估免疫反应对不同SARS-CoV-2变体的有效性.
主要方法:
- 招募了12名COPD患者进行疫苗接种前和后的样本采集 (血,鼻腔,唾液).
- 分析了抗高峰IgA和IgG水平以及细胞免疫力.
- 评估了样本阻止ACE2-spike蛋白相互作用的能力,用于野生类型,三角形和Omicron变体.
主要成果:
- 第三次接种疫苗显著增加了血,鼻腔和唾液样本中的抗尖峰IgG和IgA,以及血液细胞免疫力.
- 在血和鼻腔抗尖峰IgA和IgG水平之间观察到相关性.
- 接种疫苗后的样本显示,与野生型变种相比,阻断Omicron尖端结合的有效性降低.
结论:
- 第三次COVID-19疫苗接种增强了COPD患者的呼吸道和全身免疫反应.
- 与之前的SARS-CoV-2变种相比,COPD患者的免疫反应对Omicron变种的有效性降低.
相关概念视频
01:26COPD: Management Using Bronchodilators and Corticosteroids
213
Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
213
01:20COPD: Pathogenesis and Clinical Features
283
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
283
01:25Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
2.8K
Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
2.8K
01:24Asthma-III: Symptoms and Complications
2.5K
Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
Classification of Asthma
2.5K
01:20Asthma: Pathogenesis and Management
411
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.
411
01:26Asthma-II: Pathophysiology and Classification
2.7K
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:
2.7K