Oxidative stress response in patients infected by diverse hepatitis C virus genotypes

Mohammad Hassan Khadem Ansari1, Mir-Davood Omrani2, Fatemeh Kheradmand3

  • 1Clinical Biochemistry Department, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, IR Iran.

Hepatitis Monthly
|March 20, 2015
PubMed

Insights

Hepatitis C virus (HCV) genotypes significantly impact oxidative stress levels. Genotype 1a/1b is linked to severe oxidative stress, while other genotypes show milder responses, suggesting tailored therapies.

Area of Science:

  • Hepatology
  • Virology
  • Biochemistry

Background:

  • The precise molecular mechanisms driving hepatitis C virus (HCV) pathogenesis are not fully understood.
  • Oxidative stress is a known factor in chronic HCV infection, but its correlation with specific HCV genotypes requires further investigation.

Purpose of the Study:

  • To investigate the impact of different HCV genotypes on oxidative status.
  • To compare oxidative stress markers between HCV patients and healthy controls.

Main Methods:

  • A case-control study involving 160 HCV patients with known genotypes and 160 healthy controls.
  • Measurement of oxidative stress markers: total antioxidant status (TAS), glutathione (GSH and GSSG), Gamma-glutamyl transferase (GGT), and malondialdehyde (MDA).

Main Results:

  • Significant differences in all measured oxidative stress markers were observed between HCV patients and controls (P < 0.05).
  • Distinct patterns of oxidant/antioxidant balance were identified across various HCV genotypes.
  • An increasing trend in antioxidant levels and a decreasing trend in oxidative markers (except MDA) were noted from genotype 1a/1b towards healthy controls.

Conclusions:

  • HCV genotype 1a/1b may be associated with more severe oxidative stress and potentially more serious disease.
  • Milder oxidative responses were observed in genotypes 4, 2a/c, 2b, and 3a.
  • Combined antiviral and antioxidative therapies could improve treatment outcomes for HCV patients, particularly those with more aggressive genotypes.
Abstract

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