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논문 기본 정보

자료유형
학술저널
저자정보
Cho, Kang-Hun (College of Pharmacy, Sungkyunkwan University) Lee, Sun-Mee (College of Pharmacy, Sungkyunkwan University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제30권 제1호
발행연도
2007.1
수록면
50 - 57 (8page)

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Ischemia/reperfusion (I/R) injury is a major cause of morbidity and mortality in liver surgery and transplantation, and fatty livers are susceptible to greater I/R injury and a higher incidence of primary graft nonfunction after transplantation, Because alcohol intake and obesity are major causes of fatty liver, this study was initiated to investigate the effect of chronic ethanol consumption on hepatic microsomal cytochrome P450 (CYP) activity after I/R. Rats were fed an alcohol liquid diet or a control isocaloric diet for 4 weeks, and then subjected to 60 min of hepatic ischemia and 5h of reperfusion, It was found that, chronic ethanol consumption significantly increased liver weight, serum triglyceride (TG), liver TG, and serum aminotransferase activities, Moreover, alcoholic fatty livers exposed to I/R showed significantly higher levels of aminotransferase activities than the controls, No significant differences in microsomal CYP content or CYP1A1 activity were found between I/R treated animals fed a control diet (the CD+ I/R group) and I/R treated animals fed an ethanol containing diet (the ED+I/R group). More-over, whereas CYP1A2 activity was decreased in the ED+I/R group versus the CD+I/R group, CYP2E1 activity was elevated. Additionally, chronic alcohol consumption up-regulated $TNF-{\alpha}$ and IL-6 mRNA levels immediately after I/R. In conclusion, chronic ethanol consumption was found to potentiate hepatocellular damage as indicated by abnormalities in microsomal drug metabolizing function during I/R.

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