Collagenase expression in the lungs of transgenic mice causes pulmonary emphysema

Jeanine D'Armiento, Seema S. Dalal, Yasunori Okada, Richard A. Berg, Kiran Chada

Research output: Contribution to journalArticle

302 Citations (Scopus)

Abstract

Transgenic mice were generated that expressed a human collagenase transgene in their lungs under the direction of the haptoglobin promoter. Histological analysis demonstrated disruption of the alveolar walls and coalescence of the alveolar spaces with no evidence of fibrosis or inflammation. This pathology is strikingly similar to the morphological changes observed in human emphysema and therefore implicates interstitial collagenase as a possible etiological agent in the disease process. Although elastase has been proposed as the primary enzyme responsible for emphysematous lung damage, this study provides evidence that other extracellular matrix proteases could play a role in emphysema. In addition, these transgenic mice are a defined genetic animal model system to study the pathogenesis of emphysema.

Original languageEnglish
Pages (from-to)955-961
Number of pages7
JournalCell
Volume71
Issue number6
DOIs
Publication statusPublished - 1992 Dec 11

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Pulmonary Emphysema
Matrix Metalloproteinase 1
Haptoglobins
Pancreatic Elastase
Emphysema
Collagenases
Pathology
Coalescence
Transgenic Mice
Animals
Peptide Hydrolases
Lung
Enzymes
Genetic Models
Transgenes
Extracellular Matrix
Fibrosis
Animal Models
Inflammation
Direction compound

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

D'Armiento, J., Dalal, S. S., Okada, Y., Berg, R. A., & Chada, K. (1992). Collagenase expression in the lungs of transgenic mice causes pulmonary emphysema. Cell, 71(6), 955-961. https://doi.org/10.1016/0092-8674(92)90391-O

Collagenase expression in the lungs of transgenic mice causes pulmonary emphysema. / D'Armiento, Jeanine; Dalal, Seema S.; Okada, Yasunori; Berg, Richard A.; Chada, Kiran.

In: Cell, Vol. 71, No. 6, 11.12.1992, p. 955-961.

Research output: Contribution to journalArticle

D'Armiento, J, Dalal, SS, Okada, Y, Berg, RA & Chada, K 1992, 'Collagenase expression in the lungs of transgenic mice causes pulmonary emphysema', Cell, vol. 71, no. 6, pp. 955-961. https://doi.org/10.1016/0092-8674(92)90391-O
D'Armiento, Jeanine ; Dalal, Seema S. ; Okada, Yasunori ; Berg, Richard A. ; Chada, Kiran. / Collagenase expression in the lungs of transgenic mice causes pulmonary emphysema. In: Cell. 1992 ; Vol. 71, No. 6. pp. 955-961.
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