细胞因子在喘中重新编程呼吸道感觉神经元
Théo Crosson1, Shreyas Bhat2,3, Jo-Chiao Wang1
1Département de Pharmacologie et Physiologie, Université de Montréal, Canada.
过敏性呼吸道炎症会重编程感应神经元,使它们成为促炎性. 涉及神经Y受体1 (NPY1R) 的补偿机制限制了它们的活性,影响了喘的进展.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 呼吸系统医学 呼吸系统医学
背景情况:
- 嗅受体神经元检测到环境危险,但可以使过敏反应恶化.
- 阴道感应器有助于呼吸道炎症,过敏和喘中的粘液失衡.
- 在过敏中, nociceptor 促炎性重编程的机制尚不清楚.
研究的目的:
- 在过敏性炎症期间调查呼吸道受体的分子概况.
- 在喘中识别驱动 nociceptor 重编程的信号.
- 描述NPY1R在过敏呼吸道炎症中的作用.
主要方法:
- 在过敏呼吸道炎症的小鼠模型中进行逆行追踪和血统报告.
- 查细胞因子和神经营养素 (IL-1β,IL-13,BDNF).
- 单细胞RNA测序和基因操纵 (细胞特异性淘汰,化学废除).
主要成果:
- 鉴定出一种独特的类型的炎症性阴道感受器,内化呼吸道.
- 发现的IL-13通过JAK/STAT6通路驱动NPY受体1 (Npy1r) 的上调.
- 在气道中释放的NPY限制了恶感受体的刺激性;Npy1r的淘汰会加剧T细胞介导的炎症.
结论:
- 过敏性气道炎症将 nociceptors 重编程为一种亲炎性表型.
- NPY1R作为一种补偿机制,限制了恶感受体的活动.
- 准NPY1R或恶性受体可能为过敏呼吸道疾病提供治疗策略.
更多相关视频
10:39Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy
Published on: April 16, 2019
09:58A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice
Published on: April 13, 2010
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: Inhaled Corticosteroids and Glucocorticoids
ICS work through a multifaceted mechanism of action. They suppress the inflammatory response caused by the proliferation of TH cells. They also reduce the transcription of the IL-2 gene, which is involved in the...
Asthma-I: Introduction
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
