Pulmonary expression of nitric oxide synthase isoforms in sheep with smoke inhalation and burn injury

Robert A. Cox, Sam Jacob, Gloria Oliveras, Kazunori Murakami, Perenlei Enkhbaatar, Lillian Traber, Frank C. Schmalstieg, David Herndon, Daniel L. Traber, Hal K. Hawkins

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Previous studies have indicated increased plasma levels of inducible nitric oxide synthase in lung. This study further examines the pulmonary expression of nitric oxide synthase (NOS) isoforms in an ovine model of acute lung injury induced by smoke inhalation and burn injury (S+B injury). Female range bred sheep (4 per group) were sacrificed at 4, 8, 12, 24, and 48 hours after injury and immunohistochemistry was performed in tissues for various NOS isoforms. The study indicates that in uninjured sheep lung, endothelial (eNOS) is constitutively expressed in the endothelial cells associated with the airways and parenchyma, and in macrophages. Similarly, neuronal (nNOS) is constitutively present in the mucous cells of the epithelium and in neurons of airway ganglia. In uninjured lung, inducible (iNOS) was present in bronchial secretory cells and macrophages. In tissue after S+B injury, new expression of iNOS was evident in bronchial ciliated cells, basal cells, and mucus gland cells. In the parenchyma, a slight increase in iNOS immunostaining was seen in type I cells at 12 and 24 hours after injury only. Virtually no change in eNOS or nNOS was seen after injury.

Original languageEnglish (US)
Pages (from-to)104-118
Number of pages15
JournalExperimental Lung Research
Volume35
Issue number2
DOIs
StatePublished - Mar 2009

Fingerprint

Inhalation Burns
Smoke Inhalation Injury
Macrophages
Nitric Oxide Synthase
Smoke
Sheep
Protein Isoforms
Tissue
Lung
Endothelial cells
Nitric Oxide Synthase Type II
Wounds and Injuries
Neurons
Cells
Plasmas
Acute Lung Injury
Mucus
Ganglia
Epithelium
Endothelial Cells

Keywords

  • Acute lung injury
  • Airway
  • Immunohistochemistry
  • Lung
  • Mucous glands
  • Nitric oxide
  • Nitric oxide isoforms
  • Sheep

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Molecular Biology
  • Clinical Biochemistry

Cite this

Pulmonary expression of nitric oxide synthase isoforms in sheep with smoke inhalation and burn injury. / Cox, Robert A.; Jacob, Sam; Oliveras, Gloria; Murakami, Kazunori; Enkhbaatar, Perenlei; Traber, Lillian; Schmalstieg, Frank C.; Herndon, David; Traber, Daniel L.; Hawkins, Hal K.

In: Experimental Lung Research, Vol. 35, No. 2, 03.2009, p. 104-118.

Research output: Contribution to journalArticle

Cox, RA, Jacob, S, Oliveras, G, Murakami, K, Enkhbaatar, P, Traber, L, Schmalstieg, FC, Herndon, D, Traber, DL & Hawkins, HK 2009, 'Pulmonary expression of nitric oxide synthase isoforms in sheep with smoke inhalation and burn injury', Experimental Lung Research, vol. 35, no. 2, pp. 104-118. https://doi.org/10.1080/01902140802446832
Cox, Robert A. ; Jacob, Sam ; Oliveras, Gloria ; Murakami, Kazunori ; Enkhbaatar, Perenlei ; Traber, Lillian ; Schmalstieg, Frank C. ; Herndon, David ; Traber, Daniel L. ; Hawkins, Hal K. / Pulmonary expression of nitric oxide synthase isoforms in sheep with smoke inhalation and burn injury. In: Experimental Lung Research. 2009 ; Vol. 35, No. 2. pp. 104-118.
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