The Characteristics of Antioxidant Activity after Liver Transplantation in Biliary Atresia Patients

Purpose. Cholestatic liver injury is associated with a high production of free radicals. The pathogenesis of liver injury in biliary atresia (BA) patients is largely undefined. The goal of the present study was to clarify the oxidative damage and the changes in antioxidant enzyme activities that occ...

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Bibliographic Details
Published in:BioMed research international 2015-01, Vol.2015 (2015), p.1-7
Main Authors: Tiao, Mao-Meng, Huang, Li-Tung, Chen, Chao-Long, Huang, Ying-Hsien, Tang, Kuo-Shu, Chen, Chih-Jen, Chuang, Jiin-Haur
Format: Article
Language:English
Subjects:
Antioxidants
Antioxidants - metabolism
Biliary atresia
Biliary Atresia - blood
Biliary Atresia - etiology
Biliary Atresia - physiopathology
Catalase - blood
Child
Child, Preschool
Colleges & universities
DNA, Mitochondrial - genetics
DNA, Mitochondrial - metabolism
Female
Glutathione - blood
Health aspects
Humans
Liver
Liver - injuries
Liver - metabolism
Liver - pathology
Liver Transplantation - adverse effects
Male
Malondialdehyde - blood
Metabolic disorders
Mitochondrial DNA
Oxidation-Reduction
Patient outcomes
Physiological aspects
Transplantation
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Summary:Purpose. Cholestatic liver injury is associated with a high production of free radicals. The pathogenesis of liver injury in biliary atresia (BA) patients is largely undefined. The goal of the present study was to clarify the oxidative damage and the changes in antioxidant enzyme activities that occur during the development of BA and after liver transplantation (LT). Methods. We enrolled BA patients and control subjects and collected their clinical information. The activities of antioxidant enzymes in BA patients before LT (BA group) and after LT (LT group) were analyzed. Results. The number of mitochondrial DNA copies had increased in the LT group compared with the BA group. Similarly, the activity of glutathione peroxidase had increased in the LT group compared with the BA group. The level of glutathione was higher in the LT group than in the BA group. Malondialdehyde levels were decreased in the LT group compared with the BA group. Conclusions. These data indicate that LT is associated with increased antioxidant enzyme activities and decreased malondialdehyde levels in BA patients. The manipulation of mitochondria-associated antioxidative activity might be an important future management strategy for BA.
ISSN:2314-6133
2314-6141
DOI:10.1155/2015/421413