CD11c+CD69+ 在肺部训练有素的APC通过增加H3K27acac调解过敏性喘
Wenjian Li1, Junhai Wang2, Hanglin Li2
1Department of Immunology, Hebei Medical University, Zhongshan east road 361, Shijiazhuang 050017, Hebei, China; Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Hebei, China.
International immunopharmacology
|December 13, 2025
概括
经过训练的抗原呈现细胞 (APC) 通过促进Th2反应,在喘发育中起着至关重要的作用. 激素乙化和TNF-α是驱动这些训练有素的APC的关键机制,为喘治疗提供了潜在的治疗点.
科学领域:
- 免疫学 免疫学 免疫学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 呼吸系统医学 呼吸系统医学
背景情况:
- 喘是一种慢性呼吸道疾病,其特点是气道炎症.
- 抗原呈现细胞 (APC) 是关键的免疫细胞,参与启动和塑造适应性免疫反应.
- 训练免疫力,一种通常与先天性免疫细胞相关的概念,越来越多地被认为对喘等慢性炎症性疾病的潜在作用.
研究的目的:
- 在过敏性喘的小鼠模型中研究训练有素的APC的作用和潜在机制.
- 根据训练有素的APC的功能来确定喘的潜在治疗点.
主要方法:
- 使用了对卵素 (OVA) 敏感的BALB/c,C57BL/6 J和TNF-α淘汰赛小鼠.
- 分离了CD11c+CD69+APC,并对训练有素的免疫标志物和功能进行了表征.
- 基因组乙化,表观遗传抑制剂和TNF-α在体外和体内进行了评估.
- 进行了收养转移实验,以评估训练有素的 APC 的功能能力.
主要成果:
- 诱导OVA敏感化的CD11c+CD69+训练APC表现出增强的反应和代谢重编程 (增加甲).
- 这些训练有素的APC显示出高水平的H3K27ac,这对CD69的表达和发育至关重要,并促进了Th2型免疫反应.
- 抑制组织酸转移酶或TNF-α减弱的喘发展.
- 受过训练的APC的收养转移诱发了喘,这取决于TNF-α.
结论:
- CD11c+CD69+训练有素的APC是喘发病的关键调解者.
- 基因组乙化和TNF-α对于喘中训练有素的APC的发展和功能至关重要.
- 针对训练有素的APC,基因素乙化或TNF-α,为喘提供了一个有前途的治疗策略.
相关概念视频
01:26Asthma-II: Pathophysiology and Classification
4.0K
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:
4.0K
01:20Asthma: Pathogenesis and Management
1.2K
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.
1.2K
01:29Asthma-I: Introduction
3.3K
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...
3.3K
01:30Asthma-IV: Diagnostic and Management
3.0K
The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
3.0K
02:06Allergic Reactions
31.9K
Overview
31.9K
01:25Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs
1.7K
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...
1.7K