Plasticity of peripheral mechanisms of cough

Michael J. Carr, Lu Yuan Lee

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

The cough reflex pathway is characterized by a remarkable plasticity often resulting in a persistent and uncontrollable urge to cough during airway inflammation. In many instances cough becomes up regulated to the extent that ceases to fulfill its defensive role in protecting the airways. The exact mechanisms underlying this plasticity are unknown and likely involves a variety of factors influencing the function of the peripheral and central nervous system. This review outlines the evidence of increased cough sensitivity during airway disease. This is followed by a discussion of the peripheral mechanisms involved including the potential role of inflammatory mediators, neutrophins and changes in the airway mucosal structure. A greater understanding of the mechanisms leading to enhanced cough should lead to the development of more effective therapeutic strategies.

Original languageEnglish
Pages (from-to)298-311
Number of pages14
JournalRespiratory Physiology and Neurobiology
Volume152
Issue number3
DOIs
StatePublished - Jul 28 2006

Bibliographical note

Funding Information:
This work was supported in part by grants from the National Institutes of Health (HL67379, HL58686) to LYL.

Keywords

  • Cough
  • Lung sensory innervation
  • Plasticity
  • Vagal sensory nerves

ASJC Scopus subject areas

  • General Neuroscience
  • Physiology
  • Pulmonary and Respiratory Medicine

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