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Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
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Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury
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Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury

Published on: March 21, 2021

Metal-induced diffuse lung disease.

Andrew P Fontenot1, Massimo Amicosante

  • 1Department of Medicine, University of Colorado Health Sciences Center, Denver, Colorado 80262, USA. andrew.fontenot@uchsc.edu

Seminars in Respiratory and Critical Care Medicine
|February 18, 2009
PubMed
Summary
This summary is machine-generated.

Inhaling metals like beryllium and cobalt can cause lung diseases, including fibrosis. Genetic factors influence susceptibility, particularly involving human leukocyte antigen (HLA) in beryllium-related lung disease.

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Area of Science:

  • Occupational Medicine
  • Toxicology
  • Immunology

Background:

  • Metal particulates, including beryllium and cobalt, are increasingly linked to diffuse parenchymal lung diseases.
  • These exposures can lead to lung fibrosis, reactive airways disease, and cancer.

Purpose of the Study:

  • To review the immunopathogenesis of beryllium- and cobalt-induced lung diseases.
  • To explore the role of genetic susceptibility in metal-induced lung pathology.

Main Methods:

  • Focus on beryllium-induced disease, including chronic beryllium disease (CBD).
  • Discuss genetic susceptibility markers and human leukocyte antigen (HLA) associations.
  • Contrast findings with nickel allergy.

Main Results:

  • Chronic beryllium disease (CBD) is a granulomatous lung disorder driven by beryllium-specific CD4 (+) T cells.
  • Genetic susceptibility for CBD is linked to HLA-DP molecules presenting beryllium.
  • Genetic associations for hard metal lung disease and nickel allergy are less defined.

Conclusions:

  • Understanding metal-induced lung disease highlights the interplay between environmental exposure and genetic predisposition.
  • Further research can elucidate the immunopathogenesis and mechanisms of irreversible lung fibrosis caused by metal inhalation.