期刊
NEUROSCIENCE LETTERS
卷 751, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2021.135795
关键词
Asthma; Sensory; Parasympathetic; Inflammation; Muscarinic
资金
- National Institutes of Health [HL131525, HL144008, AI152498, HL145906]
Neural changes are the underlying cause of airway hyperresponsiveness in asthma and other diseases, involving afferent sensory nerves, nerves within the brainstem, and efferent parasympathetic nerves. Chronic inflammation and prenatal exposures lead to increased airway innervation and structural changes, while acute inflammation leads to shifts in neurotransmitter expression and dysfunction of nerve receptors.
Neural changes underly hyperresponsiveness in asthma and other airway diseases. Afferent sensory nerves, nerves within the brainstem, and efferent parasympathetic nerves all contribute to airway hyperresponsiveness. Inflammation plays a critical role in these nerve changes. Chronic inflammation and pre-natal exposures lead to increased airway innervation and structural changes. Acute inflammation leads to shifts in neurotransmitter expression of afferent nerves and dysfunction of M(2 )muscarinic receptors on efferent nerve endings. Eosinophils and macrophages drive these changes through release of inflammatory mediators. Novel tools, including optogenetics, two photon microscopy, and optical clearing and whole mount microscopy, allow for improved studies of the structure and function of airway nerves and airway hyperresponsiveness.
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