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Updated: May 15, 2026

Real-Time Polymerase Chain Reaction-Based Detection and Quantification of Hepatitis B Virus DNA
Published on: December 15, 2023
Introduction of an automated system for the diagnosis and quantification of hepatitis B and hepatitis C viruses
Mt Cabezas-Fernandez1, Mi Cabeza-Barrera
1APES Hospital Poniente, Spain.
Insights
Screening for Hepatitis B virus (HBV) and Hepatitis C virus (HCV) uses serological and molecular markers. This review discusses methods for diagnosing and monitoring chronic Hepatitis B (CHB) infection.
Area of Science:
- Virology
- Clinical Diagnostics
- Public Health
Background:
- Hepatitis B virus (HBV) and Hepatitis C virus (HCV) infections are global health concerns requiring routine laboratory screening.
- Serological and molecular markers are crucial for diagnosing, predicting prognosis, and monitoring treatment of HBV and HCV infections.
Purpose of the Study:
- To review available serological and molecular marker methods for HBV and HCV.
- To discuss the utility and limitations of these methods in the diagnosis and monitoring of Chronic Hepatitis B (CHB).
Main Methods:
- Discussion of automated chemiluminescence immunoassay (CLIA) analyzers for virological diagnosis.
- Overview of molecular biology techniques including real-time PCR for viral genome detection, quantification, genotyping, and resistance analysis.
- Mention of next-generation DNA sequencing techniques, currently limited to research settings.
Main Results:
- Automated CLIA analyzers are prevalent in high-volume labs for virological diagnosis.
- Real-time PCR is increasingly replacing other amplification technologies for nucleic acid detection and quantification due to its sensitivity and dynamic range.
- Next-generation sequencing is primarily used in research.
Conclusions:
- Various serological and molecular methods are available for HBV and HCV diagnosis and monitoring.
- Understanding the utility and limitations of each method is essential for effective Chronic Hepatitis B (CHB) management.
Abstract:
Hepatitis B virus (HBV) and Hepatitis C virus (HCV) infections pose major public health problems because of their prevalence worldwide. Consequently, screening for these infections is an important part of routine laboratory activity. Serological and molecular markers are key elements in diagnosis, prognosis and treatment monitoring for HBV and HCV infections. Today, automated chemiluminescence immunoassay (CLIA) analyzers are widely used for virological diagnosis, particularly in high-volume clinical laboratories. Molecular biology techniques are routinely used to detect and quantify viral genomes as well as to analyze their sequence; in order to determine their genotype and detect resistance to antiviral drugs. Real-time PCR, which provides high sensitivity and a broad dynamic range, has gradually replaced other signal and target amplification technologies for the quantification and detection of nucleic acid. The next-generation DNA sequencing techniques are still restricted to research laboratories.The serological and molecular marker methods available for HBV and HCV are discussed in this article, along with their utility and limitations for use in Chronic Hepatitis B (CHB) diagnosis and monitoring.
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