Proteinases Release Mucin from Airways Goblet Cells

Thomas F. Boat, Pi Wan Cheng, Jeffrey D. Klinger, Carole M. Liedtke, Bernard Tandler

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The mucin-release effect of proteinases on airways epithelium was assessed in vitro. Using expiants of rabbit tracheal mucosa-submucosa we determined that elastase and alkaline proteinase from Pseudomonas aeruginosa, pancreatic trypsin and elastase, and the microbial proteinases subtilisin, thermolysin and pronase. all stimulate mucin release from goblet cells. On the other hand Streptomyces caespitosus proteinase, pancreatic chymotrypsin and collagenasc fail to trigger mucin release. Bovine trachea and human nasal polyp epithelium also release mucins in response to proteinases. Mucin release activity is dependent on proteolytic activity of enzymes which have a fairly broad, but generally similar, substrate specificity. The cellular mechanism of action is not known. We propose that mucin secretion in response to proteinases represents a useful defence mechanism but also forms the basis for hypersecretory states and airways obstruction in chronic endobronchial inflammatory states.

Original languageEnglish (US)
Title of host publicationMucus and Mucosa
PublisherJohn Wiley and Sons Ltd.
Pages72-93
Number of pages22
ISBN (Electronic)9780470720905
ISBN (Print)0272797839, 9780272797839
DOIs
StatePublished - May 30 2008

Fingerprint

Goblet Cells
Mucins
Peptide Hydrolases
Pancreatic Elastase
Thermolysin
Nasal Polyps
Subtilisin
Pronase
Nasal Mucosa
Chymotrypsin
Streptomyces
Airway Obstruction
Substrate Specificity
Trachea
Trypsin
Pseudomonas aeruginosa
Mucous Membrane
Epithelium
Rabbits
Substrates

Keywords

  • Airways epithclium
  • Mucin-release
  • Pancreatic rrypsin
  • Proteinases
  • Tracheal mucosa-submucosii

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Boat, T. F., Cheng, P. W., Klinger, J. D., Liedtke, C. M., & Tandler, B. (2008). Proteinases Release Mucin from Airways Goblet Cells. In Mucus and Mucosa (pp. 72-93). John Wiley and Sons Ltd.. https://doi.org/10.1002/9780470720905.ch6

Proteinases Release Mucin from Airways Goblet Cells. / Boat, Thomas F.; Cheng, Pi Wan; Klinger, Jeffrey D.; Liedtke, Carole M.; Tandler, Bernard.

Mucus and Mucosa. John Wiley and Sons Ltd., 2008. p. 72-93.

Research output: Chapter in Book/Report/Conference proceedingChapter

Boat, TF, Cheng, PW, Klinger, JD, Liedtke, CM & Tandler, B 2008, Proteinases Release Mucin from Airways Goblet Cells. in Mucus and Mucosa. John Wiley and Sons Ltd., pp. 72-93. https://doi.org/10.1002/9780470720905.ch6
Boat TF, Cheng PW, Klinger JD, Liedtke CM, Tandler B. Proteinases Release Mucin from Airways Goblet Cells. In Mucus and Mucosa. John Wiley and Sons Ltd. 2008. p. 72-93 https://doi.org/10.1002/9780470720905.ch6
Boat, Thomas F. ; Cheng, Pi Wan ; Klinger, Jeffrey D. ; Liedtke, Carole M. ; Tandler, Bernard. / Proteinases Release Mucin from Airways Goblet Cells. Mucus and Mucosa. John Wiley and Sons Ltd., 2008. pp. 72-93
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