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Related Experiment Videos

[Cough reflex in respiratory disease].

K Sekizawa1, H Sasaki

  • 1Department of Geriatric Medicine, Tohoku University School of Medicine, Sendai, Japan.

Nihon Kyobu Shikkan Gakkai Zasshi
|January 1, 1990
PubMed
Summary

Peptide imbalances, like substance P and bradykinin, can cause cough and aspiration pneumonia. Regulating these peptides may offer new treatments for cough and prevent pneumonia.

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Area of Science:

  • Neuroimmunology
  • Peptide signaling
  • Respiratory pathophysiology

Context:

  • Cough is a common symptom in various diseases, often linked to neurochemical imbalances.
  • The cough reflex is crucial for airway protection, preventing conditions like aspiration pneumonia.
  • Peptides, including substance P and bradykinin, play significant roles in modulating neural and inflammatory responses.

Purpose:

  • To explore the role of peptide imbalances in the development of pathological cough.
  • To investigate the potential of peptide modulation for treating cough and preventing aspiration pneumonia.
  • To understand the relationship between peptide-degrading enzymes and cough reflex sensitivity.

Summary:

  • An imbalance between neuropeptides (e.g., substance P, bradykinin) and their degrading enzymes is implicated in pathological cough.
  • Dysregulation of the cough reflex, potentially linked to these peptide systems, can lead to aspiration pneumonia.
  • Modulating peptide levels (up- or down-regulation) presents a potential therapeutic strategy for both cough treatment and pneumonia prevention.

Impact:

  • Provides a novel perspective on the pathophysiology of cough and aspiration pneumonia.
  • Suggests peptide-based therapies as a promising avenue for managing respiratory conditions.
  • Highlights the importance of balancing peptide signaling for maintaining airway homeostasis and protective reflexes.

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