来自喘患者的单细胞转录单细胞的概况显示出对炎症反应的倾向
Kyndal Goss1, Melanie L Grant1, Lokesh Guglani2
1Aflac Cancer & Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA; Division of Pediatric Hematology/Oncology, Emory University, Atlanta, GA, USA.
干扰素马激活的介质干细胞 (γMSCs) 治疗改变了喘单细胞中的基因表达,减少了炎症. 这表明,gMSC治疗可能有利于控制不良的喘患者.
科学领域:
- 免疫学 免疫学 免疫学
- 肺部病理学 肺部病理学
- 基因组学就是基因组学.
背景情况:
- 喘影响全球数百万人,尽管有先进的治疗方法,但仍有一小部分仍然无法控制.
- 单细胞在喘中起着双重作用,有助于炎症,同时也具有抗炎和组织愈合的特性.
研究的目的:
- 为了比较喘患者和健康个体的血液单细胞转录组.
- 为了评估干扰素玛激活的介质细胞 (γMSCs) 对喘患者单细胞的转录组的影响.
主要方法:
- 单细胞RNA测序 (scRNA-seq) 在血液单细胞上进行.
- 样本包括喘患者喘前和后输注的单细胞,轻度至中度喘患者的单细胞和健康对照细胞.
主要成果:
- 一次γMSC输液显著改变了喘单细胞中的基因表达,特别是降低了HLA类I和干扰素信号基因的调节.
- 与健康对照人群相比,喘单细胞表现出干扰素反应基因的表达增加.
- 与轻度喘相比,严重的喘显示病毒和干扰素反应途径的丰富.
结论:
- 单细胞向疗法,如 γMSC 治疗,显示出对管理控制不良的喘有前途.
- 需要进一步的临床研究来研究对严重或控制不良喘的gMSC治疗.
更多相关视频
09:57Quantification of Monocyte Chemotactic Activity In Vivo and Characterization of Blood Monocyte Derived Macrophages
Published on: August 12, 2019
05:31Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
Published on: August 7, 2017
相关概念视频
Asthma-II: Pathophysiology and Classification
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:
Asthma: Pathogenesis and Management
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.
Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs
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...
Antiasthma Drugs: Leukotriene Modifiers
Leukotriene modifiers work through two distinct mechanisms:
Asthma-I: Introduction
Asthma-IV: Diagnostic and Management
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
