不同的吸入性过敏原对T细胞子集的作用,在成年人的支气管喘
Jiang-Bo Liu1, Xue-Jiao Qian1, Yu Wu1
1Department of Respiratory Medicine, Tianjin First Central Hospital, Tianjin, China.
概括
与对照组相比,喘患者表现出改变的T淋巴细胞子集,CD4+T细胞和Th17/Treg比率较高. 过敏原类型会影响这些免疫反应,特别是支气管喘中的Th17/Treg比率.
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
- 过敏研究 研究过敏
背景情况:
- 支气管喘是一种慢性呼吸道疾病,其特征是气道炎症.
- T淋巴细胞子集在对过敏原的免疫反应中起着至关重要的作用.
- 了解过敏原特异性免疫特征可以为喘管理提供信息.
研究的目的:
- 研究不同吸入性过敏原对支气管喘患者T淋巴细胞子集的影响.
- 为了比较喘患者和健康对照人群之间的T淋巴细胞概况.
- 识别与特定过敏原触发物相关的潜在免疫标记物.
主要方法:
- 对57名支气管喘患者和22名健康对照者的分析.
- 将喘患者分为粉尘,动物毛发,花粉和菌过敏组.
- 流细胞计用于测量周围血液T淋巴细胞子集 (CD4 +,CD8 +,Th17,Treg).
主要成果:
- 与对照组相比,喘患者的CD4+T细胞,CD8+T细胞,CD4/CD8比率和Th17/Treg比率显著增加 (p<0.05).
- 在四个过敏原组中观察到Th17/Treg比率的显著差异 (p<0.05).
- 花粉组的Th17/Treg比尘埃虫,动物毛发和菌组的Th17/Treg比率较低 (p<0.05).
结论:
- 支气管喘患者对各种吸入性过敏原表现出明显的T淋巴细胞亚群反应.
- 周围血液中CD4+T细胞和Th17细胞的增加可能表明喘风险.
- 需要进一步研究更大的样本大小来证实这些发现及其临床影响.
更多相关视频
11:54Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples
Published on: January 21, 2018
30.2K
07:52Analysis of Pulmonary Dendritic Cell Maturation and Migration during Allergic Airway Inflammation
Published on: July 23, 2012
15.0K
相关概念视频
01:26Asthma-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
01:20Asthma: Pathogenesis and Management
386
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.
386
01:19Antiasthma Drugs: Leukotriene Modifiers
276
Leukotriene modifiers, or cysteinyl leukotriene receptor antagonists, are medications used to manage chronic asthma. These agents target specific inflammatory mediators produced during arachidonic acid metabolism, an essential process in generating inflammation in the body.
Leukotriene modifiers work through two distinct mechanisms:
Leukotriene modifiers work through two distinct mechanisms:
276
01:25Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs
271
Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
271
01:29Asthma-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
01:25Antiasthma Drugs: β2-Adrenoceptor Agonists
249
Bronchodilators are critical in managing asthma, a chronic respiratory condition characterized by airway constriction due to inflammation and hyper-reactivity. Specifically, bronchodilators ease this constriction by relaxing the bronchial muscles, facilitating easier breathing.
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce...
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce...
249