Wood bark smoke induces lung and pleural plasminogen activator inhibitor 1 and stabilizes its mRNA in porcine lung cells

Krishna K. Midde, Andriy I. Batchinsky, Leopoldo C. Cancio, Sreerama Shetty, Andrey A. Komissarov, Galina Florova, Kerfoot P. Walker, Kathy Koenig, Zissis C. Chroneos, Tim Allen, Kevin Chung, Michael Dubick, Steven Idell

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Although aberrant fibrinolysis and plasminogen activator inhibitor 1 (PAI-1) are implicated in acute lung injury, the role of this serpin in the pathogenesis of wood bark smoke (WBS)-induced acute lung injury (SIALI) and its regulation in resident lung cells after exposure to smoke are unclear. A total of 22 mechanically ventilated pigs were included in this study. Immunohistochemical analyses were used to assess fibrin and PAI-1 in the lungs of pigs with SIALI in situ. Plasminogen activator inhibitor 1 was measured in bronchoalveolar lavage fluids by Western blotting. Induction of PAI-1 was determined at the protein and mRNA levels by Western and polymerase chain reaction analyses in primary porcine alveolar type II cells, fibroblasts, and pleural mesothelial cells. Plasminogen activator inhibitor 1 mRNA stability was determined by transcription chase studies. Gel shift analyses were used to characterize the mechanism regulating PAI-1 mRNA stability. Smoke-induced ALI induced PAI-1, with prominent extravascular fibrin deposition in large and small airways as well as alveolar and subpleural compartments. In pleural mesothelial cells, lung fibroblasts, and alveolar type II cells, PAI-1 mRNA was stabilized by WBS extract and contributed to induction of PAI-1. The mechanism involves dissociation of a novel 6-phospho-d-gluconate-NADP oxidoreductase-like PAI-1 mRNA binding protein from PAI-1 mRNA. Exposure to WBS induces prominent airway and mesothelial expression of PAI-1, associated with florid distribution of fibrin in SIALI in vivo Wood bark smoke components induce PAI-1 in vitro in part by stabilization of PAI-1 mRNA, a newly recognized pathway that may promote extravascular fibrin deposition and lung dysfunction in SIALI.

Original languageEnglish (US)
Pages (from-to)128-137
Number of pages10
JournalShock
Volume36
Issue number2
DOIs
StatePublished - Aug 2011
Externally publishedYes

Fingerprint

Plasminogen Activator Inhibitor 1
Smoke
Swine
Lung
Messenger RNA
Acute Lung Injury
Fibrin
Alveolar Epithelial Cells
RNA Stability
Fibroblasts
Serpins
Bronchoalveolar Lavage Fluid
Electrophoretic Mobility Shift Assay
Fibrinolysis
NADP
Carrier Proteins
Oxidoreductases

Keywords

  • Acute lung injury
  • fibrin
  • fibrinolysis
  • serpin
  • smoke inhalation

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine
  • Emergency Medicine

Cite this

Midde, K. K., Batchinsky, A. I., Cancio, L. C., Shetty, S., Komissarov, A. A., Florova, G., ... Idell, S. (2011). Wood bark smoke induces lung and pleural plasminogen activator inhibitor 1 and stabilizes its mRNA in porcine lung cells. Shock, 36(2), 128-137. https://doi.org/10.1097/SHK.0b013e31821d60a4

Wood bark smoke induces lung and pleural plasminogen activator inhibitor 1 and stabilizes its mRNA in porcine lung cells. / Midde, Krishna K.; Batchinsky, Andriy I.; Cancio, Leopoldo C.; Shetty, Sreerama; Komissarov, Andrey A.; Florova, Galina; Walker, Kerfoot P.; Koenig, Kathy; Chroneos, Zissis C.; Allen, Tim; Chung, Kevin; Dubick, Michael; Idell, Steven.

In: Shock, Vol. 36, No. 2, 08.2011, p. 128-137.

Research output: Contribution to journalArticle

Midde, KK, Batchinsky, AI, Cancio, LC, Shetty, S, Komissarov, AA, Florova, G, Walker, KP, Koenig, K, Chroneos, ZC, Allen, T, Chung, K, Dubick, M & Idell, S 2011, 'Wood bark smoke induces lung and pleural plasminogen activator inhibitor 1 and stabilizes its mRNA in porcine lung cells', Shock, vol. 36, no. 2, pp. 128-137. https://doi.org/10.1097/SHK.0b013e31821d60a4
Midde, Krishna K. ; Batchinsky, Andriy I. ; Cancio, Leopoldo C. ; Shetty, Sreerama ; Komissarov, Andrey A. ; Florova, Galina ; Walker, Kerfoot P. ; Koenig, Kathy ; Chroneos, Zissis C. ; Allen, Tim ; Chung, Kevin ; Dubick, Michael ; Idell, Steven. / Wood bark smoke induces lung and pleural plasminogen activator inhibitor 1 and stabilizes its mRNA in porcine lung cells. In: Shock. 2011 ; Vol. 36, No. 2. pp. 128-137.
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AU - Florova, Galina

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