Knowns and unknowns of the alveolus

Erica L. Herzog, Arnold R. Brody, Thomas V. Colby, Robert Mason, Mary C. Williams

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Our current alveolar paradigm includes three highly specialized cell populations. Alveolar type I cells are flat, elongated cells that presumably enable gas exchange. Alveolar type II cells are small, cuboidal cells with metabolic, secretory, progenitor, and immunologic functions. Alveolar fibroblasts secrete extracellular matrix proteins that support alveolar structure. These cells work together to facilitate respiration. Many years of high-quality research have defined our understanding of alveolar biology. However, there is much to be determined about the factors controlling cellular phenotypes and crosstalk. Moreover, specific questions remain regarding origin, repopulation, and previously unrecognized functions of each cell. This article summarizes the current data for each cell type and highlights areas that would benefit from further investigation.

Original languageEnglish (US)
Pages (from-to)778-782
Number of pages5
JournalProceedings of the American Thoracic Society
Volume5
Issue number7
DOIs
StatePublished - Sep 2008

Fingerprint

Alveolar Epithelial Cells
Extracellular Matrix Proteins
Respiration
Fibroblasts
Gases
Phenotype
Research
Population

Keywords

  • Alveolus
  • Fibroblast
  • Pneumocyte

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Physiology
  • Cell Biology

Cite this

Herzog, E. L., Brody, A. R., Colby, T. V., Mason, R., & Williams, M. C. (2008). Knowns and unknowns of the alveolus. Proceedings of the American Thoracic Society, 5(7), 778-782. https://doi.org/10.1513/pats.200803-028HR

Knowns and unknowns of the alveolus. / Herzog, Erica L.; Brody, Arnold R.; Colby, Thomas V.; Mason, Robert; Williams, Mary C.

In: Proceedings of the American Thoracic Society, Vol. 5, No. 7, 09.2008, p. 778-782.

Research output: Contribution to journalArticle

Herzog, EL, Brody, AR, Colby, TV, Mason, R & Williams, MC 2008, 'Knowns and unknowns of the alveolus', Proceedings of the American Thoracic Society, vol. 5, no. 7, pp. 778-782. https://doi.org/10.1513/pats.200803-028HR
Herzog EL, Brody AR, Colby TV, Mason R, Williams MC. Knowns and unknowns of the alveolus. Proceedings of the American Thoracic Society. 2008 Sep;5(7):778-782. https://doi.org/10.1513/pats.200803-028HR
Herzog, Erica L. ; Brody, Arnold R. ; Colby, Thomas V. ; Mason, Robert ; Williams, Mary C. / Knowns and unknowns of the alveolus. In: Proceedings of the American Thoracic Society. 2008 ; Vol. 5, No. 7. pp. 778-782.
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