Protective effect of ischemic postconditioning against hepatic ischemic reperfusion injury in rat liver

Sam Youl Yoon, Chung Yun Kim, Hyung Joon Han, Kun Ok Lee, Taejin Song

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Purpose: The efficiency of ischemic postconditioning (IPC) was evaluated in a rat model of ischemic liver. Concentration of survivin of liver tissue correlated with the degree of antiapoptosis, so survivin was estimated to evaluate the efficiency of IPC on ischemic reperfusion (IR) injury. Methods: Twenty-four healthy rats were divided to three groups (SHAM, IR, and IPC). Rats in the SHAM group displayed no change during 3 hours. Rats in the IR group were ischemic within 1 hour of clamping the left hepatic artery and left portal vein. Reperfusion for 2 hours was then done. IPC group, intermittent 2, 3, 5, and 7 minutes of reperfusion followed by 1 hour of warm ischemia. Two-minute reocclusion was done after each reperfusion. Rat sera were analyzed for AST and ALT, and Western blot analysis of rat liver tissue of rats evaluated malondialdehyde (MDA) and survivin. Results: MDA in the liver tissue of rats in the IR and IPC group were significantly high than in the liver tissue of the SHAM group (P = 0.003 and P = 0.008, respectively). Survivin was higher in the IPC group than in the SHAM and IR groups (P = 0.021 and P = 0.024, respectively). Conclusion: IPC could not prevent lipid oxidation in liver cell mitochondria, but did aid in the regeneration of ischemic injured liver cells. The results indicate that IPC can suppress the apoptosis of liver cells and reduce reperfusion injury of liver tissue.

Original languageEnglish
Pages (from-to)241-245
Number of pages5
JournalAnnals of Surgical Treatment and Research
Volume88
Issue number5
DOIs
Publication statusPublished - 2015 May 1

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Ischemic Postconditioning
Reperfusion Injury
Reperfusion
Liver
Malondialdehyde
Warm Ischemia
Liver Mitochondrion
Hepatic Artery
Portal Vein
Constriction
Regeneration
Western Blotting
Apoptosis
Lipids

Keywords

  • Ischemic postconditioning
  • Ischemic reperfusion injury
  • Liver

ASJC Scopus subject areas

  • Surgery

Cite this

Protective effect of ischemic postconditioning against hepatic ischemic reperfusion injury in rat liver. / Yoon, Sam Youl; Kim, Chung Yun; Han, Hyung Joon; Lee, Kun Ok; Song, Taejin.

In: Annals of Surgical Treatment and Research, Vol. 88, No. 5, 01.05.2015, p. 241-245.

Research output: Contribution to journalArticle

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AB - Purpose: The efficiency of ischemic postconditioning (IPC) was evaluated in a rat model of ischemic liver. Concentration of survivin of liver tissue correlated with the degree of antiapoptosis, so survivin was estimated to evaluate the efficiency of IPC on ischemic reperfusion (IR) injury. Methods: Twenty-four healthy rats were divided to three groups (SHAM, IR, and IPC). Rats in the SHAM group displayed no change during 3 hours. Rats in the IR group were ischemic within 1 hour of clamping the left hepatic artery and left portal vein. Reperfusion for 2 hours was then done. IPC group, intermittent 2, 3, 5, and 7 minutes of reperfusion followed by 1 hour of warm ischemia. Two-minute reocclusion was done after each reperfusion. Rat sera were analyzed for AST and ALT, and Western blot analysis of rat liver tissue of rats evaluated malondialdehyde (MDA) and survivin. Results: MDA in the liver tissue of rats in the IR and IPC group were significantly high than in the liver tissue of the SHAM group (P = 0.003 and P = 0.008, respectively). Survivin was higher in the IPC group than in the SHAM and IR groups (P = 0.021 and P = 0.024, respectively). Conclusion: IPC could not prevent lipid oxidation in liver cell mitochondria, but did aid in the regeneration of ischemic injured liver cells. The results indicate that IPC can suppress the apoptosis of liver cells and reduce reperfusion injury of liver tissue.

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