Background: Graft ischemia-reperfusion injury (IRI) resulting from postreperfusion inflammatory reaction remains a major cause of complications after liver transplantation. In this article, the authors investigated the effect of anti-inflammatory cytokine interleukin (IL)-10 on IRI, in a preclinical model of liver transplantation in pigs.
Methods: Donor pigs received IL-10 or saline at the start of liver graft harvesting. After 5 hr of cold ischemia, liver grafts were transplanted into untreated recipient pigs. IRI severity was measured in recipients by transaminase release and by cellular infiltration and necrosis on liver biopsy specimens.
Results: Donor IL-10 administration attenuated IRI, as indicated by significant reduction of mean peak of transaminase in recipients of grafts from IL-10-treated donors. In contrast, no significant differences in cell infiltration or amount of necrosis were observed on liver biopsy specimens between groups.
Conclusions: Donor preconditioning with IL-10 may constitute an interesting pharmacologic approach to reduce IRI severity after liver transplantation.
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