Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Antimicrobial peptides in lung inflammation.

Christoph Beisswenger1, Robert Bals

  • 1Department of Internal Medicine, Division of Pulmonology, Hospital of the University of Marburg, Philipps-Universtät Marburg, Marburg, Germany.

Chemical Immunology and Allergy
|June 25, 2005
PubMed
Summary

Antimicrobial peptides (AMPs) are crucial innate immune components in the respiratory tract, acting as natural antibiotics. Altered AMP levels in lung secretions suggest their significant role in various pulmonary diseases.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Autoantibodies to IL-1Ra and PGRN in severe COVID-19 are associated with inflammation-induced hyperphosphorylated antigen isoforms.

Nature communications·2026
Same author

Loss of Y Chromosome Associates With Lung and Cardiac Dysfunction in COPD.

Comprehensive Physiology·2026
Same author

Association of Obesity with Symptoms and Quality of Life in COPD: Results from COSYCONET.

International journal of chronic obstructive pulmonary disease·2026
Same author

Comparative metagenomic analysis on COPD and health control samples reveals taxonomic and functional motifs.

Frontiers in microbiology·2025
Same author

Patient-reported outcome measures for use in patients with alpha-1-antitrypsin deficiency: results of a systematic selection process.

BMJ open respiratory research·2025
Same author

Leukocytic ADAM10 and ADAM17 modulate disease severity and systemic outcome in bacterial and viral pneumonia.

The European respiratory journal·2025

Area of Science:

  • Respiratory immunology
  • Innate immunity
  • Antimicrobial peptides

Background:

  • Antimicrobial peptides (AMPs) are key effector molecules of the innate immune system in the respiratory tract.
  • Various cells, including epithelial cells and professional host defense cells (neutrophils, macrophages, NK cells), synthesize and secrete AMPs.
  • Specific AMPs like beta-defensins, alpha-defensins, and LL-37/hCAP-18 are found in the human lung, originating from distinct cell types.

Purpose of the Study:

  • To describe the fundamental and applied biology of AMPs in the human lung.
  • To explore the potential involvement of AMPs in the pathogenesis of pulmonary diseases.

Main Methods:

  • Review of existing literature on AMPs in the respiratory tract.
  • Analysis of AMP synthesis, secretion, and cellular sources in the human lung.

Related Experiment Videos

  • Examination of AMP functions, including direct antimicrobial activity and receptor-mediated cell activation.
  • Investigation of altered AMP concentrations in various pulmonary diseases.

    • Main Results:

    • AMPs function as endogenous antibiotics, directly killing microorganisms.
    • AMPs engage cellular receptors, activating diverse cell types like epithelial cells, immune cells, and endothelial cells.
    • Concentrations of AMPs in lung secretions are significantly altered in several pulmonary diseases, indicating their involvement.

    Conclusions:

    • AMPs play a vital role in lung immunity through direct antimicrobial action and immune cell modulation.
    • Dysregulation of AMPs in the lung is associated with the development or progression of pulmonary diseases.
    • Further research into AMPs offers potential therapeutic strategies for lung diseases.