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Articles by J. C Huang
Total Records ( 1 ) for J. C Huang
  S. M Tsai , S. K Lin , K. T Lee , J. K Hsiao , J. C Huang , S. H Wu , H Ma and L. Y. Tsai

Excess reactive oxygen species related to neoplasia of liver has been established. Essentially, the human body has developed different antioxidant systems for defence against these attacks. To evaluate the redox status in hepatocellular carcinoma (HCC) induced by hepatitis B virus (HBV), the most important aetiological factor in Taiwan, changes in O2. generation, lipid peroxidation as well as antioxidant status in the blood of HCC patients with HBV carriers for more than 20 years were measured.


Superoxide anion radical (O2.–) generation and the levels of malondialdehyde (MDA) served as an index of lipid peroxidation along with the analyses of activities of superoxide dismutase (SOD), glutathione peroxidase (GPx) and glutathione reductase (GRx); also, glutathione status, including reduced glutathione (GSH) and oxidized glutathione (GSSG), and the levels of vitamins A, C and E were determined.


In 54 patients, the levels of O2.–, MDA and GSSG, and the activities of SOD and GRx of blood were significantly higher than those of 57 controls. Conversely, the levels of GSH and total GSH, and GSH/GSSG ratio, and vitamins A and C were significantly decreased. Additionally, there were no significant changes in the activity of GPx and the levels of vitamin E.


Our data suggest that the redox statuses in patients with HBV-associated HCC were elevated or decreased in certain parameters. However, the increased activities of antioxidant enzymes may be a compensatory up-regulation and the decrease antioxidant statuses were responses to the enhanced oxidative stress in those patients.

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