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find Author "TIAN Yingjun" 1 results
  • Protective Effects of Ischemia Preconditioning on Cryopreservation Injury of Rat Liver

    ObjectiveTo study the protective effects of ischemia preconditioning (IPC) on cryopreservation injury of rat liver.MethodsThe model of isolated nonrecirculated perfusion rat liver was established. The grafts were treated with IPC in different time (ischemia preconditioning time in IPC1 group was 5 min; the time in IPC2 group was 10 min; while the time in IPC3 group was 15 min). The cryopreservation injury of the grafts in each group was determined and compared. ResultsThe levels of aspartate transaminase (AST) and alanine transaminase (ALT) in the effluent solutions in IPC1 group were (40.1±6.3) U/L and (17.1±0.5) U/L respectively, and IPC2 group (53.6±3.7) U/L, (19.7±0.5) U/L, which were much lower than those of nonpreconditioning (NPC) group 〔(64.5±8.2) U/L, (23.8±3.9) U/L〕 (P<0.05). Those in IPC1 group was much lower than those in IPC2 group and IPC3 group 〔(63.8±7.2) U/L,(22.8±2.5) U/L〕 (P<0.05). The level of lactic acid dehydrogenase (LDH) in NPC group (104.3±20.6) U/L, IPC1 group (84.1±19.7) U/L, IPC2 group (90.5±21.1) U/L, and IPC3 group (103.1±18.5) U/L were of no significant difference (Pgt;0.05). The contents of bile product and the hepatocellular contents of ATP in IPC1 group were (53.5±10.2) μl and (6.15±0.65) μmol/g respectively, and IPC2 group (41.5±8.1) μl, (4.77±0.21) μmol/g, which were much higher than those NPC group 〔(22.8±9.7) μl, (2.62±0.34) μmol/g〕 (P<0.05). Those in IPC1 group were much higher than those in IPC2 group and IPC3 group 〔(27.5±2.8) μl, (2.61±0.29) μmol/g〕 (P<0.05). The contents of malondialdehyde (MDA) in liver tissue in IPC1 group was (4.36±0.26) nmol/gand IPC2 group (5.51±0.13)

    Release date:2016-08-28 04:49 Export PDF Favorites Scan
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