Article (Scientific journals)
Oxidative stress in the liver and the brain of rats in fulminant hepatic failure
Detry, Olivier; Gaspar, Yves; Cheramy-Bien, Jean-Paul et al.
2005In Transplantation Proceedings, 37 (6, Jul-Aug), p. 2883-2885
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Keywords :
brain; brain edema; ooxidative stress; liver failure; physiopathology
Abstract :
[en] The etiological mechanisms of brain edema in fulminant hepatic failure are incompletely understood. In a surgical model of fulminant hepatic failure in the rat, we tested whether oxidative stress may be involved in the early steps of brain edema. Moreover, we took advantage of this model to determine if oxidative stress may be involved in the hepatocyte dysfunction observed in the setting of fulminant hepatic failure. Oxidative stress was evaluated by measurement of tissue ascorbic acid in the brain and liver of rats at 6 hours after induction of fulminant hepatic failure versus in control or partially hepatectomized rats. After 6 hours, the level of ascorbic acid was not different in the brain tissue of the various groups, indicating no oxidative stress. The liver showed a significant decrease in ascorbic acid levels, both in ischemic and nonischemic liver tissue, suggesting that oxidative stress might be involved in the failure of liver regeneration in fulminant hepatic failure. In this rat model no oxidative stress was demonstrated in the brain during the early phase of fulminant liver failure.
Disciplines :
Anesthesia & intensive care
Neurology
Surgery
Gastroenterology & hepatology
Author, co-author :
Detry, Olivier  ;  Centre Hospitalier Universitaire de Liège - CHU > Chirurgie abdominale- endocrinienne et de transplantation
Gaspar, Yves
Cheramy-Bien, Jean-Paul  ;  Centre Hospitalier Universitaire de Liège - CHU > Chirurgie cardio-vasculaire
De Roover, Arnaud ;  Centre Hospitalier Universitaire de Liège - CHU > Chirurgie abdominale- endocrinienne et de transplantation
Honore, Pierre ;  Centre Hospitalier Universitaire de Liège - CHU > Chirurgie abdominale- endocrinienne et de transplantation
Meurisse, Michel ;  Université de Liège - ULiège > Département des sciences cliniques > Chirurgicale abdominale
Defraigne, Jean-Olivier ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biochimie générale, bioch. et path. humaine et pathologiques
Pincemail, Joël ;  Centre Hospitalier Universitaire de Liège - CHU > Chirurgie cardio-vasculaire
Language :
English
Title :
Oxidative stress in the liver and the brain of rats in fulminant hepatic failure
Publication date :
2005
Journal title :
Transplantation Proceedings
ISSN :
0041-1345
eISSN :
1873-2623
Publisher :
Elsevier Science Inc, New York, United States - New York
Volume :
37
Issue :
6, Jul-Aug
Pages :
2883-2885
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 September 2008

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