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vol.25 número3Guía clínica para el diagnóstico y cuidado de niños/adolescentes con bronquiolitis obliterante post-infecciosa, 2009Fisiopatología del ventrículo derecho índice de autoresíndice de materiabúsqueda de artículos
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Revista chilena de enfermedades respiratorias

versión On-line ISSN 0717-7348

Resumen

SOLOVERA R, MARíA E et al. Loss of glutathione from rabbit lungs in transplant preservation solution. Rev. chil. enferm. respir. [online]. 2009, vol.25, n.3, pp.164-169. ISSN 0717-7348.  http://dx.doi.org/10.4067/S0717-73482009000300003.

Introduction: Ischemia-reperfusion injury causes morbidity and mortality in lung transplant patients. It is unknown if the usual lung preservation solution favors antioxidant deficiency and thus, increased oxidative stress in the receptor. Objective: To evaluate if there is any loss of glutathione from rabbit lungs to the preservation solution. Results: We found a decrease in lung total glutathione content, without an increase in the oxidized form of this antioxidant. At the same time, we were able to measure increasing levels of glutathione in the preservation solution from 30 min on. Conclusions: There is loss of glutathione from the lung to the preservation solution that is not mediated by glutathione oxidation and likely due to passage of the reduced form along the concentration gradient, rendering the tissue vulnerable to oxidative stress once in the receptor.

Palabras clave : Transplant; glutathione; oxidative stress; ischemia-reperfusion.

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