Local Pseudomonas instillation induces contralateral lung injury and plasma cytokines

Takeshi Terashima, Hiroaki Matsubara, Morio Nakamura, Fumio Sakamaki, Yasuhiro Waki, Kenzo Soejima, Sadatomo Tasaka, Hidetoshi Nakamura, Koichi Sayama, Akitoshi Ishizaka, Minoru Kanazawa

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Abstract

We investigated whether local bacterial instillation leads to lung injury in noninstilled lung regions and examined local and systemic cytokine accumulation. Rats were challenged by intrabroncheal instillation of Pseudomonas aeruginosa, 107 colony-forming units (CFU) (HD group, n = 11), 4 x 106 CFU (LD group, n = 10), or saline (control group, n = 12). 99mTc- labeled macroaggregated albumin was added to the P. aeruginosa or saline solution for later documentation of the instilled area. At 4 h the right lung, including instilled segment, and the left lung were sampled. Lung injury was assessed by lung tissue to plasma 125I-labeled albumin (T/P) and lung wet-dry (W/D) ratios. We measured plasma and bronchoalveolar lavage fluid (BALF) levels of tumor necrosis factor (TNF) and cytokine-induced neutrophil chemoattractant (CINC). HD bacterial instillation induced neutrophil recruitment and TNF and CINC elevation in BALF (p < 0.05) associated with increased T/P (p < 0.005) and W/D (p < 0.05) ratios in both instilled and the noninstilled lungs as compared with the saline-instilled and noninstilled controls. LD bacterial instillation induced neutrophil recruitment and TNF and CINC elevation only in the instilled lung (p < 0.0.5), and not in the noninstilled lung, and did not increase the T/P or W/D ratio. Plasma levels of TNF and CINC were increased in the HD, but not the LD, group when compared with the saline controls (p < 0.05). These data indicate that, when the dose is high enough to cause an excess inflammatory response, local bacterial instillation leads to neutrophil sequestration, lung injury, and cytokine elevation in the noninstilled lung associated with systemic cytokine release.

Original languageEnglish
Pages (from-to)1600-1605
Number of pages6
JournalAmerican Journal of Respiratory and Critical Care Medicine
Volume153
Issue number5
Publication statusPublished - 1996

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Lung Injury
Pseudomonas
Cytokines
Lung
Chemotactic Factors
Neutrophils
Tumor Necrosis Factor-alpha
Neutrophil Infiltration
Bronchoalveolar Lavage Fluid
Pseudomonas aeruginosa
Albumins
Stem Cells
Pulmonary Edema
Sodium Chloride
Documentation
Control Groups

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

Cite this

Terashima, T., Matsubara, H., Nakamura, M., Sakamaki, F., Waki, Y., Soejima, K., ... Kanazawa, M. (1996). Local Pseudomonas instillation induces contralateral lung injury and plasma cytokines. American Journal of Respiratory and Critical Care Medicine, 153(5), 1600-1605.

Local Pseudomonas instillation induces contralateral lung injury and plasma cytokines. / Terashima, Takeshi; Matsubara, Hiroaki; Nakamura, Morio; Sakamaki, Fumio; Waki, Yasuhiro; Soejima, Kenzo; Tasaka, Sadatomo; Nakamura, Hidetoshi; Sayama, Koichi; Ishizaka, Akitoshi; Kanazawa, Minoru.

In: American Journal of Respiratory and Critical Care Medicine, Vol. 153, No. 5, 1996, p. 1600-1605.

Research output: Contribution to journalArticle

Terashima, T, Matsubara, H, Nakamura, M, Sakamaki, F, Waki, Y, Soejima, K, Tasaka, S, Nakamura, H, Sayama, K, Ishizaka, A & Kanazawa, M 1996, 'Local Pseudomonas instillation induces contralateral lung injury and plasma cytokines', American Journal of Respiratory and Critical Care Medicine, vol. 153, no. 5, pp. 1600-1605.
Terashima, Takeshi ; Matsubara, Hiroaki ; Nakamura, Morio ; Sakamaki, Fumio ; Waki, Yasuhiro ; Soejima, Kenzo ; Tasaka, Sadatomo ; Nakamura, Hidetoshi ; Sayama, Koichi ; Ishizaka, Akitoshi ; Kanazawa, Minoru. / Local Pseudomonas instillation induces contralateral lung injury and plasma cytokines. In: American Journal of Respiratory and Critical Care Medicine. 1996 ; Vol. 153, No. 5. pp. 1600-1605.
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AU - Soejima, Kenzo

AU - Tasaka, Sadatomo

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