Insulin in University of Wisconsin solution exacerbates the ischemic injury and decreases the graft survival rate in rat liver transplantation

被引:10
|
作者
Li, XL
Man, K
Liu, YF
Lee, TKW
Tsui, SHT
Lau, CK
Lo, CM
Fan, ST
机构
[1] Univ Hong Kong, Queen Mary Hosp, Dept Surg, Hong Kong, Hong Kong, Peoples R China
[2] Univ Hong Kong, Queen Mary Hosp, Ctr Study Liver Dis, Hong Kong, Hong Kong, Peoples R China
[3] China Med Univ, Univ Hosp 1, Dept Gen Surg, Shenyang, Peoples R China
[4] China Med Univ, Univ Hosp 1, Organ Transplant Unit, Shenyang, Peoples R China
关键词
D O I
10.1097/01.TP.0000067242.14209.0D
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Background. Insulin keeps the liver in a metabolically vigorous state. However, organ preservation aims to decrease the metabolic rate. The objective of this study was to clarify the effect of insulin used in University of Wisconsin (UW) preservation solution on the liver graft. Methods. The liver grafts were preserved by UW solution with or without insulin for 7, 9, and 24 hr, respectively. The influence of insulin was studied by 7-day survival rate, liver function, morphology, and intragraft gene expression 24 hr after transplantation. Morphology was studied on the preserved grafts. Results. The morphology of the graft in the insulin group showed more severe ischemia-reperfusion injury. The 7-day graft survival rates of the 7-hr subgroups with and without insulin were 55% and 93%, respectively (P=0.02). In the 9-hr subgroups, the survival rates were 0% and 78%, respectively (P=0.002). The serum levels of aspartate aminotransferase (AST) (P=0.008) and alanine aminotransferase (ALT) (P=0.032) were higher in the 7-hr subgroup with insulin. The same trend was found in the 9-hr subgroups (AST, P=0.016; ALT, P=0.016). The expression level of 215 genes were much lower at 24 hr after transplantation in the grafts preserved with insulin than in those preserved without insulin, and most of the genes were related to metabolic activities. Conclusions. Insulin in UW solution may exacerbate graft ischemic injury and decrease the graft survival rate in rat liver transplantation. Insulin, in the absence of glucose in UW solution, may exhaust the metabolic activity of the liver graft. It is harmful rather than helpful for isolated rat liver grafts preserved in UW solution.
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收藏
页码:44 / 49
页数:6
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