Asbestos exposure results in increased lung procoagulant activity in vivo and in vitro

K. S. Callahan, D. E. Griffith, J. G.N. Garcia

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Enhanced fibrin deposition is a common histologic finding in fibrotic lung disorders including asbestosis and may be an important mechanism by which fibroblast proliferation is modulated. Asbestos-induced activation of lung interstitial cells may result in enhanced expression of procoagulant activity which contributes to the inflammatory response resulting in subsequent fibrin deposition. The current study examines procoagulant activity in bronchoalveolar lavage fluid from patients with clinically diagnosed asbestosis, patients with asbestos exposure without asbestosis, and normal, control subjects. Results indicated that asbestos exposure resulted in increased lung procoagulant expression in vivo, and furthermore, suggested that both endothelial cells and alveolar macrophages represented lung parenchymal cells which may contribute to this activity. This imbalance in coagulation homeostasis may be important in the regulation of fibrotic responses observed in asbestosis.

Original languageEnglish (US)
Pages (from-to)112-119
Number of pages8
JournalCHEST
Volume98
Issue number1
DOIs
StatePublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

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