Myofibroblasts in diffuse alveolar damage of the lung

Jean Claude Pache, Peter G. Christakos, David E Gannon, John J. Mitchell, Robert B. Low, Kevin O. Leslie

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

The myofibroblast is an ultrastructurally and metabolically distinctive connective tissue cell identified as a key participant in tissue remodeling in human granulation tissue, organ fibrosis, and the fibroblastic host response to malignant neoplasms. In this study of myofibroblasts in human lung diffuse alveolar damage (DAD), we identified 36 autopsy cases in which DAD could be histologically documented. DAD is known to progress from initial injury through an exudative, proliferative, and terminal fibrotic phase. In the exudative phase (16 cases), myofibroblasts expressing α-smooth muscle actin (α-SMA) are found in the septa and less frequently in hyaline membranes. In the proliferative phase (18 cases), many myofibroblasts in septa, hyaline membranes, and intra-alveolar fibroplasia express α-SMA. The α-SMA phenotype should be used in additional studies of myofibroblast differentiation, replication, and apoptosis. A better understanding of the biology of this cell type should offer new therapy for patients with DAD.

Original languageEnglish (US)
Pages (from-to)1064-1070
Number of pages7
JournalModern Pathology
Volume11
Issue number11
StatePublished - Nov 1 1998

Fingerprint

Myofibroblasts
Lung
Hyalin
Connective Tissue Cells
Membranes
Granulation Tissue
Smooth Muscle
Cell Biology
Actins
Autopsy
Fibrosis
Apoptosis
Phenotype
Wounds and Injuries
Neoplasms

Keywords

  • Adult respiratory distress syndrome
  • Alveolar damage
  • Myofibroblast
  • α- Smooth muscle actin

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Pache, J. C., Christakos, P. G., Gannon, D. E., Mitchell, J. J., Low, R. B., & Leslie, K. O. (1998). Myofibroblasts in diffuse alveolar damage of the lung. Modern Pathology, 11(11), 1064-1070.

Myofibroblasts in diffuse alveolar damage of the lung. / Pache, Jean Claude; Christakos, Peter G.; Gannon, David E; Mitchell, John J.; Low, Robert B.; Leslie, Kevin O.

In: Modern Pathology, Vol. 11, No. 11, 01.11.1998, p. 1064-1070.

Research output: Contribution to journalArticle

Pache, JC, Christakos, PG, Gannon, DE, Mitchell, JJ, Low, RB & Leslie, KO 1998, 'Myofibroblasts in diffuse alveolar damage of the lung', Modern Pathology, vol. 11, no. 11, pp. 1064-1070.
Pache JC, Christakos PG, Gannon DE, Mitchell JJ, Low RB, Leslie KO. Myofibroblasts in diffuse alveolar damage of the lung. Modern Pathology. 1998 Nov 1;11(11):1064-1070.
Pache, Jean Claude ; Christakos, Peter G. ; Gannon, David E ; Mitchell, John J. ; Low, Robert B. ; Leslie, Kevin O. / Myofibroblasts in diffuse alveolar damage of the lung. In: Modern Pathology. 1998 ; Vol. 11, No. 11. pp. 1064-1070.
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