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Updated: Jun 26, 2026

Real-Time Polymerase Chain Reaction-Based Detection and Quantification of Hepatitis B Virus DNA
Published on: December 15, 2023
Hepatitis B virus genotype in Iranian patients with hepatocellular carcinoma
Arezoo Aghakhani1, Rasool Hamkar, Nastaran Zamani
1Clinical Research Department, Pasteur Institute of Iran, No. 69, Pasteur Ave., Tehran 13164, Iran. aaghakhani@pasteur.ac.ir
Insights
Hepatitis B virus (HBV) genotype D is the sole detectable genotype in Iranian patients with hepatocellular carcinoma (HCC). This finding confirms previous research on HBV infection in Iran.
Area of Science:
- Hepatology
- Virology
- Oncology
Background:
- Chronic hepatitis B virus (HBV) infection is a significant risk factor for hepatocellular carcinoma (HCC).
- HBV is the predominant cause of HCC in Iran.
- Previous studies have not determined HBV genotypes in Iranian HCC patients.
Purpose of the Study:
- To determine the HBV genotype in Iranian patients diagnosed with HCC.
- To investigate the prevalence of specific HBV genotypes associated with liver cancer in Iran.
Main Methods:
- Analysis of paraffin-embedded HCC tissue samples from 40 patients.
- Nested PCR-mediated amplification and sequencing of HBV DNA.
- Phylogenetic analysis to determine HBV genotype by comparison with GenBank sequences.
Main Results:
- Phylogenetic analysis confirmed that all analyzed HBV isolates belonged to genotype D.
- No other HBV genotypes were detected in the study cohort.
Conclusions:
- Genotype D is the only detectable HBV genotype in various clinical forms of HBV infection in Iran.
- These findings align with existing reports on HBV genotypes within the Iranian population.
Objective:
Chronic hepatitis B virus (HBV) infection is a major risk factor for the development of hepatocellular carcinoma (HCC). HBV appears to be the most common cause of HCC in Iran. To date, no study has been carried out on the HBV genotype in Iranian HCC patients. This study was undertaken to determine the HBV genotype in Iranian patients with HCC.
Methods:
Paraffin-embedded tissue samples from 40 patients (31 males and nine females) with HBV-associated HCC were collected from different pathology centers during 2000-2007. Genotyping of HBV was performed by nested PCR-mediated amplification of the target sequence. PCR products were sequenced, and the genotype of each HBV sequence was determined by comparison with sequences of known genotypes in the GenBank. A phylogenetic tree was constructed.
Results:
Phylogenetic analysis revealed that all of the HBV isolates were clustered in genotype D.
Conclusions:
Our results concur with other reports from Iran, all showing that genotype D is the only detectable genotype in the different clinical forms of HBV infection in this country.
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