Distribution of hepatitis C virus genotypes in Iranian chronic infected patients

Fatemeh Jahanbakhsh Sefidi1, Hossein Keyvani, Seyed Hamidreza Monavari

  • 1Department of Virology, Tehran University of Medical Sciences, Tehran, IR Iran.

Hepatitis Monthly
|April 4, 2013
PubMed

Insights

Hepatitis C virus (HCV) genotype 1a is most common in Iran, followed by genotype 3a. Identifying HCV genotypes is crucial for effective antiviral treatment strategies.

Area of Science:

  • Hepatology
  • Virology
  • Infectious Diseases

Background:

  • Hepatitis C virus (HCV) exhibits diverse global genotypes.
  • Accurate HCV genotyping is essential for guiding antiviral therapy selection.

Purpose of the Study:

  • To determine the distribution of HCV genotypes in a large Iranian patient cohort.
  • To inform regional treatment strategies based on prevalent HCV subtypes.

Main Methods:

  • Analysis of 11,561 chronic HCV patients from March 2003 to December 2011.
  • HCV RNA detection via reverse transcriptase-nested PCR.
  • Genotyping performed using restriction fragment length polymorphism (RFLP).

Main Results:

  • HCV genotype 1a was most frequent (44.9%), followed by 3a (39.6%) and 1b (11.3%).
  • Mixed HCV genotypes occurred in 2.5% of cases.
  • Genotype 1a predominated in patients over 40, while genotype 3a was more common in those under 40.

Conclusions:

  • Hepatitis C virus genotype 1a is the dominant subtype in the studied Iranian population.
  • Subtype 3a is the second most prevalent HCV genotype in Iran.
Abstract

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