唾液短链脂肪酸,微生物群,炎症和粘液堵塞在阻塞性呼吸道疾病中的作用
Naoya Tanabe1, Hisako Matsumoto2, Chie Morimoto1
1Department of Respiratory Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
The Journal of allergy and clinical immunology
|February 6, 2025
概括
呼吸道中的短链脂肪酸 (SCFA) 与阻塞性呼吸道疾病中的微生物群和粘液堵塞有关. 较低的SCFA与严重的乙酸性炎症和较高的粘液得分相关,表明治疗潜力.
科学领域:
- 肺部医学 肺部医学
- 微生物组研究 微生物组研究
- 炎症研究 炎症研究
背景情况:
- 短链脂肪酸 (SCFA) 是来自肠道的代谢物,在炎症中起着复杂的作用.
- 它们在呼吸道微生物组中的特定功能和对阻塞性呼吸道疾病 (OADs) 中粘液堵塞的影响尚不清楚.
- 2型主导炎症是喘和喘-COPD重叠 (ACO) 等疾病的关键特征.
研究的目的:
- 为了研究唾液SCFA和气道微生物组组成之间的关联.
- 为了检查SCFA,炎症细胞计数 (乙素,中性素) 和OAD患者的粘液堵塞之间的关系.
- 探索这些相互作用在一个对ACO和2型炎症进行丰富的队列中.
主要方法:
- 预期收集和CT成像从患有喘,COPD和ACO的稳定患者.
- 对SCFA度 (n-丁酸盐,乙酸盐,酸盐) 的唾液分析.
- 16S rRNA测序用于微生物组概况和差异性炎症细胞计数.
主要成果:
- 较高的SCFA水平与增加的Bacteroidetes和减少的蛋白质细菌的丰度相关.
- 一个患有严重乙酸性炎症的群体显示了较低的SCFA和较高的粘液塞得分.
- 较低的丁酸盐水平与中性恋炎症群中的粘液堵塞增加有显著的关联.
结论:
- 局部SCFA度与OAD中的气道微生物组组成密切相关.
- 似乎SCFA影响粘液堵塞,特别是在ACO丰富的种群中.
- 针对SCFA或微生物组可能为2型主导的OAD提供新的治疗策略.
关键词:
慢性慢性肺炎是一种慢性慢性肺炎,COPD是一种慢性肺炎.短链脂肪酸是一种短链脂肪酸.呼吸道炎症 呼吸道炎症喘 喘 是一种喘-COPD重叠的情况计算机断层扫描 (CT) 是一种计算机断层扫描.影像成像技术 影像成像技术微生物组是一个微生物组.这是粘液粘液.更多相关视频
07:38Design and Development of a Model to Study the Effect of Supplemental Oxygen on the Cystic Fibrosis Airway Microbiome
Published on: August 3, 2021
2.3K
06:57The WinCF Model - An Inexpensive and Tractable Microcosm of a Mucus Plugged Bronchiole to Study the Microbiology of Lung Infections
Published on: May 8, 2017
9.1K
相关概念视频
01:20Chronic 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
01:26Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture
158
Sputum studies are a critical part of diagnosing and treating numerous respiratory conditions. These studies involve obtaining sputum samples for analysis to identify pathogenic organisms and assess the presence of abnormal cells indicative of malignant conditions. This lesson will delve into three fundamental sputum studies: Gram Stain, Cytology, and Acid-fast Smear and Culture.
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
158
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
01:22Chronic Obstructive Pulmonary Disease
1.1K
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
1.1K
01:25Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
2.7K
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:
2.7K
01:20Asthma: Pathogenesis and Management
343
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.
343