Exogenous surfactant attenuation of ischemia–reperfusion injury in the lung through alteration of inflammatory and apoptotic factors Bart P. van Putte,

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Presentation transcript:

Exogenous surfactant attenuation of ischemia–reperfusion injury in the lung through alteration of inflammatory and apoptotic factors Bart P. van Putte, PhD, MD, Pieter M. Cobelens, PhD, Niels van der Kaaij, PhD, Burkhard Lachmann, PhD, MD, Annemieke Kavelaars, PhD, Cobi J. Heijnen, PhD, Jozef Kesecioglu, PhD, MD The Journal of Thoracic and Cardiovascular Surgery Volume 137, Issue 4, Pages 824-828 (April 2009) DOI: 10.1016/j.jtcvs.2008.08.046 Copyright © 2009 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Representative paraffin sections of rat lung tissue stained with hematoxylin and eosin as function of time for sham-operated group (sham), control group (saline+I+R), and groups with surfactant administered before (surfactant+I+R) and after (I+surfactant+R) ischemia. Original magnification ×200. The Journal of Thoracic and Cardiovascular Surgery 2009 137, 824-828DOI: (10.1016/j.jtcvs.2008.08.046) Copyright © 2009 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Inducible nitric oxide (iNOS) concentrations as function of time. Inducible nitric oxide expression levels were assessed in total cell ysates resolved by 10% sodium dodecyl sulfate polyacrylamide gel electrophoresis and analyzed by Western blot. Data (mean ± SEM) were normalized to β-actin expression and depicted as percentage of control values (black bars). Insets are representative Western blots depicting immunodetectable inducible nitric oxide. ∗∗P < .01; ∗∗∗P < .001; N = 7 per group. sham; saline + I + R; surfactant + I + R; I + surfactant + R. The Journal of Thoracic and Cardiovascular Surgery 2009 137, 824-828DOI: (10.1016/j.jtcvs.2008.08.046) Copyright © 2009 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Interleukin 6 (IL-6) concentrations as function of time. Interleukin 6 levels were determined by standard enzyme-linked immunosorbent assay. ∗P < .05; ∗∗P < .01; N = 7 per group. sham; saline + I + R; surfactant + I + R; I + surfactant + R. The Journal of Thoracic and Cardiovascular Surgery 2009 137, 824-828DOI: (10.1016/j.jtcvs.2008.08.046) Copyright © 2009 The American Association for Thoracic Surgery Terms and Conditions

Figure 4 Interleukin 10 (IL-10) concentrations as function of time. Interleukin 10 levels were determined by standard enzyme-linked immunosorbent assay. ∗P < .05; ∗∗P < .01; ∗∗∗P < .001; N = 7 per group. sham; saline + I + R; surfactant + I + R; I + surfactant + R. The Journal of Thoracic and Cardiovascular Surgery 2009 137, 824-828DOI: (10.1016/j.jtcvs.2008.08.046) Copyright © 2009 The American Association for Thoracic Surgery Terms and Conditions

Figure 5 Effect of lung ischemia–reperfusion injury on cleaved caspase-3 expression as function of time. Cleaved caspase-3 expression levels were assessed in total cell lysates resolved by 15% sodium dodecyl sulfate polyacrylamide gel electrophoresis and analyzed by Western blot. Data (mean ± SEM) were normalized to β-actin expression and depicted as percentage of values in sham-operated group. Insets are representative Western blots depicting immunodetectable cleaved caspase-3. ∗P < .05; ∗∗P < .01; ∗∗∗P < .001; N = 7 per group. sham; saline + I + R; surfactant + I + R; I + surfactant + R. The Journal of Thoracic and Cardiovascular Surgery 2009 137, 824-828DOI: (10.1016/j.jtcvs.2008.08.046) Copyright © 2009 The American Association for Thoracic Surgery Terms and Conditions