Archives of Pharmacal Research

, Volume 23, Issue 5, pp 495–500 | Cite as

Effect of S-adenosylmethionine on hepatic injury from sequential cold and warm ischemia

Research Articles Pharmacology, Toxicology & Pharmaceutics


We investigated whether S-adenosylmethionine (SAM) treatment improved ischemic injury using perfused rat liver after sequential periods of 24 h cold and 20 min re-warming ischemia. SAM (100 μmol/L) was added to University of Wisconsin (UW) solution and Ringers lactate solution. After cold and sequential warm ischemia, releases of lactate dehydrogenase (LDH) and purine nucleoside phosphorylase (PNP) markedly increased during reperfusion. The increase in PNP was significantly reduced by SAM treatment. While the concentration of reduced glutathione (GSH) in ischemic livers significantly decreased, the concentration of glutathione disulfide (GSSG) increased. This decrease in GSH and increase in GSSG were suppressed by SAM treatment. Lipid peroxidation was elevated in cold and warm ischemic and reperfused livers, but this elevation was also prevented by SAM treatment. Hepatic ATP levels were decreased in the ischemic and reperfused livers to 42% of the control levels. However, treatment with SAM resulted in significantly higher ATP levels and preserved the concentration of AMP in ischemic livers. Our findings suggest that SAM prevents oxidative stress and lipid peroxidation and helps preserve hepatic energy metabolism.

Key words

S-Adenosylmethionine UW solution Total purine bases Lipid peroxidation Oxidative stress Ischemia 


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Copyright information

© The Pharmaceutical Society of Korea 1999

Authors and Affiliations

  1. 1.College of PharmacySungkyunkwan UniversitySuwon, Kyungki-doKorea

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