Digestive Diseases and Sciences

, Volume 55, Issue 4, pp 1120–1127 | Cite as

Increased Oxidative Stress, Decreased Total Antioxidant Capacity, and Iron Overload in Untreated Patients with Chronic Hepatitis C

  • Danielle Venturini
  • Andréa Name Colado Simão
  • Décio Sabbatini Barbosa
  • Edson Lopes Lavado
  • Victor Emanuel Soares Narciso
  • Isaias Dichi
  • Jane Bandeira DichiEmail author
Original Article


The aim of this study was to determine oxidative stress in patients with untreated chronic hepatitis C (CHC), relating the obtained results with iron status and disease activity markers. Two groups (CHC patients and controls) were studied. CHC patients presented significantly higher values than the control group in some parameters: ALT, AST, GGT, iron, ferritin, and transferrin saturation, and also in tert-butyl hydroperoxide initiate chemiluminescence and thiobarbituric acid-reactive substances (TBARS) as well as lower values in total radical-trapping antioxidant parameter (TRAP). TBARS showed a significant correlation with serum AST and with transferrin saturation, whereas TRAP correlated inversely with serum albumin. Serum ferritin correlated with ALT and GGT, whereas serum iron did so with GGT. In conclusion, lower antioxidant capacity, higher levels of pro-oxidants activity, and iron overload occur in untreated patients with CHC. This greater oxidative activity could play an important role in pathogenesis and evolution of hepatitis C and thus further investigations.


Hepatitis C virus Oxidative stress Antioxidant capacity Iron status 


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Danielle Venturini
    • 1
  • Andréa Name Colado Simão
    • 1
  • Décio Sabbatini Barbosa
    • 1
  • Edson Lopes Lavado
    • 2
  • Victor Emanuel Soares Narciso
    • 3
  • Isaias Dichi
    • 3
  • Jane Bandeira Dichi
    • 3
    Email author
  1. 1.Department of Pathology, Clinical Analysis and ToxicologyUniversity of LondrinaLondrinaBrazil
  2. 2.Department of PhysiotherapyUniversity of LondrinaLondrinaBrazil
  3. 3.Department of Internal MedicineUniversity of LondrinaLondrinaBrazil

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