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Immunological mechanisms in pleural disease.

V B Antony1

  • 1Indiana University School of Medicine, Pulmonary and Critical Care Medicine, RL Roudebush VA Medical Center, 1481 West 10th Street, Indianapolis, IN 46202, USA. vantony@iupui.edu

The European Respiratory Journal
|March 29, 2003
PubMed
Summary

The pleural membrane is crucial for immune responses and lung health. It responds to infections and cancers, impacting patient outcomes and maintaining pleural space homeostasis.

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Area of Science:

  • Immunology
  • Pulmonology
  • Cell Biology

Background:

  • The pleural membrane, comprising mesothelial cells and connective tissue, is vital for local and systemic immunological responses.
  • Its proximity to the lungs makes it susceptible to inflammatory lung conditions and certain systemic diseases.
  • Dysfunction of the pleura, due to inflammation or disease, can lead to increased patient morbidity and mortality.

Purpose of the Study:

  • To review the immunological roles of the pleural membrane in health and disease.
  • To elucidate the mechanisms of pleural responses to infection and malignancy.
  • To highlight the pleural membrane's function in maintaining pleural space homeostasis.

Main Methods:

  • Literature review of immunological responses in the pleura.
  • Analysis of pleural mesothelial cell recruitment and protein transport.
  • Examination of malignant cell adhesion and survival on pleural mesothelium.

Main Results:

  • Pleural mesothelial cells actively recruit inflammatory cells and facilitate protein movement during infection.
  • Chemokine release by mesothelial cells directs phagocytic cell migration within the pleural space.
  • Malignant cells, particularly from breast, ovarian, lung, and stomach cancers, can metastasize to the pleura, with mechanisms of adhesion and survival elucidated.

Conclusions:

  • The pleura is an immunologically active membrane responding to local and systemic challenges.
  • Pleural responses, including effusion and fibrosis, can impair lung function and patient prognosis.
  • Understanding pleural cell biology is key to managing pleural diseases and maintaining homeostasis.

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