Tissue-derived proinflammatory effect of adenosine A2B receptor in lung ischemia-reperfusion injury

Farshad Anvari, Ashish K. Sharma, Lucas G. Fernandez, Tjasa Hranjec, Katya Ravid, Irving L. Kron, Victor E. Laubach

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Objective: Ischemia-reperfusion injury after lung transplantation remains a major source of morbidity and mortality. Adenosine receptors have been implicated in both pro- and anti-inflammatory roles in ischemia-reperfusion injury. This study tests the hypothesis that the adenosine A2B receptor exacerbates the proinflammatory response to lung ischemia-reperfusion injury. Methods: An in vivo left lung hilar clamp model of ischemia-reperfusion was used in wild-type C57BL6 and adenosine A2B receptor knockout mice, and in chimeras created by bone marrow transplantation between wild-type and adenosine A2B receptor knockout mice. Mice underwent sham surgery or lung ischemia-reperfusion (1 hour ischemia and 2 hours reperfusion). At the end of reperfusion, lung function was assessed using an isolated buffer-perfused lung system. Lung inflammation was assessed by measuring proinflammatory cytokine levels in bronchoalveolar lavage fluid, and neutrophil infiltration was assessed via myeloperoxidase levels in lung tissue. Results: Compared with wild-type mice, lungs of adenosine A2B receptor knockout mice were significantly protected after ischemia-reperfusion, as evidenced by significantly reduced pulmonary artery pressure, increased lung compliance, decreased myeloperoxidase, and reduced proinflammatory cytokine levels (tumor necrosis factor-α; interleukin-6; keratinocyte chemoattractant; regulated on activation, normal T-cell expressed and secreted; and monocyte chemotactic protein-1). Adenosine A2B receptor knockout→adenosine A 2B receptor knockout (donor→recipient) and wild-type→ adenosine A2B receptor knockout, but not adenosine A2B receptor knockout→wild-type, chimeras showed significantly improved lung function after ischemia-reperfusion. Conclusions: These results suggest that the adenosine A2B receptor plays an important role in mediating lung inflammation after ischemia-reperfusion by stimulating cytokine production and neutrophil chemotaxis. The proinflammatory effects of adenosine A2B receptor seem to be derived by adenosine A2B receptor activation primarily on resident pulmonary cells and not bone marrow-derived cells. Adenosine A2B receptor may provide a therapeutic target for prevention of ischemia-reperfusion-related graft dysfunction in lung transplant recipients.

Original languageEnglish (US)
Pages (from-to)871-877
Number of pages7
JournalJournal of Thoracic and Cardiovascular Surgery
Volume140
Issue number4
DOIs
StatePublished - Oct 2010

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Adenosine A2B Receptors
Reperfusion Injury
Ischemia
Lung
Reperfusion
Knockout Mice
Cytokines
Peroxidase
Pneumonia
Lung Compliance
Purinergic P1 Receptors
Lung Transplantation
Neutrophil Infiltration
Chemokine CCL2
Chemotactic Factors
Bronchoalveolar Lavage Fluid
Chemotaxis
Bone Marrow Transplantation
Keratinocytes
Bone Marrow Cells

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Surgery
  • Pulmonary and Respiratory Medicine
  • Medicine(all)

Cite this

Anvari, F., Sharma, A. K., Fernandez, L. G., Hranjec, T., Ravid, K., Kron, I. L., & Laubach, V. E. (2010). Tissue-derived proinflammatory effect of adenosine A2B receptor in lung ischemia-reperfusion injury. Journal of Thoracic and Cardiovascular Surgery, 140(4), 871-877. https://doi.org/10.1016/j.jtcvs.2010.06.051

Tissue-derived proinflammatory effect of adenosine A2B receptor in lung ischemia-reperfusion injury. / Anvari, Farshad; Sharma, Ashish K.; Fernandez, Lucas G.; Hranjec, Tjasa; Ravid, Katya; Kron, Irving L.; Laubach, Victor E.

In: Journal of Thoracic and Cardiovascular Surgery, Vol. 140, No. 4, 10.2010, p. 871-877.

Research output: Contribution to journalArticle

Anvari, Farshad ; Sharma, Ashish K. ; Fernandez, Lucas G. ; Hranjec, Tjasa ; Ravid, Katya ; Kron, Irving L. ; Laubach, Victor E. / Tissue-derived proinflammatory effect of adenosine A2B receptor in lung ischemia-reperfusion injury. In: Journal of Thoracic and Cardiovascular Surgery. 2010 ; Vol. 140, No. 4. pp. 871-877.
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abstract = "Objective: Ischemia-reperfusion injury after lung transplantation remains a major source of morbidity and mortality. Adenosine receptors have been implicated in both pro- and anti-inflammatory roles in ischemia-reperfusion injury. This study tests the hypothesis that the adenosine A2B receptor exacerbates the proinflammatory response to lung ischemia-reperfusion injury. Methods: An in vivo left lung hilar clamp model of ischemia-reperfusion was used in wild-type C57BL6 and adenosine A2B receptor knockout mice, and in chimeras created by bone marrow transplantation between wild-type and adenosine A2B receptor knockout mice. Mice underwent sham surgery or lung ischemia-reperfusion (1 hour ischemia and 2 hours reperfusion). At the end of reperfusion, lung function was assessed using an isolated buffer-perfused lung system. Lung inflammation was assessed by measuring proinflammatory cytokine levels in bronchoalveolar lavage fluid, and neutrophil infiltration was assessed via myeloperoxidase levels in lung tissue. Results: Compared with wild-type mice, lungs of adenosine A2B receptor knockout mice were significantly protected after ischemia-reperfusion, as evidenced by significantly reduced pulmonary artery pressure, increased lung compliance, decreased myeloperoxidase, and reduced proinflammatory cytokine levels (tumor necrosis factor-α; interleukin-6; keratinocyte chemoattractant; regulated on activation, normal T-cell expressed and secreted; and monocyte chemotactic protein-1). Adenosine A2B receptor knockout→adenosine A 2B receptor knockout (donor→recipient) and wild-type→ adenosine A2B receptor knockout, but not adenosine A2B receptor knockout→wild-type, chimeras showed significantly improved lung function after ischemia-reperfusion. Conclusions: These results suggest that the adenosine A2B receptor plays an important role in mediating lung inflammation after ischemia-reperfusion by stimulating cytokine production and neutrophil chemotaxis. The proinflammatory effects of adenosine A2B receptor seem to be derived by adenosine A2B receptor activation primarily on resident pulmonary cells and not bone marrow-derived cells. Adenosine A2B receptor may provide a therapeutic target for prevention of ischemia-reperfusion-related graft dysfunction in lung transplant recipients.",
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AU - Laubach, Victor E.

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