Enhanced pulmonary expression of endothelin-1 in an ovine model of smoke inhalation injury

R. A. Cox, K. Soejima, A. S. Burke, L. D. Traber, David Herndon, F. C. Schmalstieg, D. L. Traber, H. K. Hawkins

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Recent studies suggest a role of endothelin-1 (ET-1) in mediating airway inflammation and lung injury. The aim of this study was to assess the immunohistochemical expression of ET-1 in the lung following smoke inhalation injury. ET-1 immunoreactivity was assessed in normal sheep (N = 4) and in sheep at 1 (N = 2), 6 (N = 3), 12 (N = 3), and 24 (N = 3) hours after inhalation injury. In normal animals, ET-1 expression was limited to the basal cell layer of the tracheal epithelium, main bronchi, and associated mucous glands. One hour after injury, ET-1 immunoreactivity was enhanced in upper airway epithelium and mucus glands with new expression in bronchioles. Airway smooth muscle, vascular tissue, and alveolar duct smooth muscle cells expressed moderate levels of ET-1 at 12 and 24 hours. ET-1 immunoreactivity was absent in areas of parenchymal edema and inflammation. The pattern of ET-1 expression following inhalation injury suggests that this peptide may contribute to the airway inflammation, mucus secretion, pulmonary hypertension, increased airway resistance, and decreased lung compliance, which are evident in our ovine model of inhalation injury.

Original languageEnglish (US)
Pages (from-to)375-383
Number of pages9
JournalJournal of Burn Care and Rehabilitation
Volume22
Issue number6
DOIs
StatePublished - 2001

Fingerprint

Smoke Inhalation Injury
Endothelin-1
Sheep
Lung
Inhalation
Wounds and Injuries
Mucus
Inflammation
Epithelium
Bronchioles
Lung Compliance
Airway Resistance
Lung Injury
Bronchi
Pulmonary Hypertension
Smooth Muscle Myocytes
Smooth Muscle
Edema

ASJC Scopus subject areas

  • Rehabilitation
  • Surgery
  • Nursing(all)
  • Health Professions(all)
  • Emergency Medicine

Cite this

Cox, R. A., Soejima, K., Burke, A. S., Traber, L. D., Herndon, D., Schmalstieg, F. C., ... Hawkins, H. K. (2001). Enhanced pulmonary expression of endothelin-1 in an ovine model of smoke inhalation injury. Journal of Burn Care and Rehabilitation, 22(6), 375-383. https://doi.org/10.1097/00004630-200111000-00005

Enhanced pulmonary expression of endothelin-1 in an ovine model of smoke inhalation injury. / Cox, R. A.; Soejima, K.; Burke, A. S.; Traber, L. D.; Herndon, David; Schmalstieg, F. C.; Traber, D. L.; Hawkins, H. K.

In: Journal of Burn Care and Rehabilitation, Vol. 22, No. 6, 2001, p. 375-383.

Research output: Contribution to journalArticle

Cox, RA, Soejima, K, Burke, AS, Traber, LD, Herndon, D, Schmalstieg, FC, Traber, DL & Hawkins, HK 2001, 'Enhanced pulmonary expression of endothelin-1 in an ovine model of smoke inhalation injury', Journal of Burn Care and Rehabilitation, vol. 22, no. 6, pp. 375-383. https://doi.org/10.1097/00004630-200111000-00005
Cox, R. A. ; Soejima, K. ; Burke, A. S. ; Traber, L. D. ; Herndon, David ; Schmalstieg, F. C. ; Traber, D. L. ; Hawkins, H. K. / Enhanced pulmonary expression of endothelin-1 in an ovine model of smoke inhalation injury. In: Journal of Burn Care and Rehabilitation. 2001 ; Vol. 22, No. 6. pp. 375-383.
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