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Current Hepatology Reports

Erschienen in:

18.10.2018 | Hepatitis B (J Lim, Section Editor)

Implications of Circulating Hepatitis B Virus RNA Levels in Assessment of Response to Antiviral Therapy

verfasst von: Tianlun Zhou, Chuanmin Wang, Aejaz Sayeed, Timothy Block

Erschienen in: Current Hepatology Reports | Ausgabe 4/2018

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Abstract

Purpose of Review

Treatment of chronic hepatitis B infection with nucleos(t)ide analogues induces a significant inhibition of HBV DNA titer. However, reduction of viral DNA load is not an ideal marker to predict sustainable antiviral effect. Circulating HBV RNA has been, recently, explored as a novel biomarker for monitoring viral persistence and the progression of liver disease. This review aims to discuss the characteristics of circulating HBV RNA and to evaluate its applications in hepatitis B infection management.

Recent Findings

HBV RNA is readily detectable in the blood of infected patients. Circulating viral RNA is originated from polyadenylated pgRNA that is packaged in, and secreted with, either naked core particles or virion-like particles. Serum pgRNA could be presented in full length or multiple-spliced forms. The amount and composition of pgRNA in blood can be used to gauge intrahepatic cccDNA transcriptional activity, predict drug response, and reflect liver histologic changes.

Summary

Circulating HBV pgRNA is exclusively transcribed from cccDNA in the liver. As an alternative to liver biopsy, non-invasive measurement of serum HBV RNA in patients receiving antiviral treatment might provide clinicians a safe and effective tool to oversee therapeutic efficacy.

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Titel: Implications of Circulating Hepatitis B Virus RNA Levels in Assessment of Response to Antiviral Therapy
verfasst von: Tianlun Zhou
Chuanmin Wang
Aejaz Sayeed
Timothy Block
Publikationsdatum: 18.10.2018
Verlag: Springer US
Erschienen in: Current Hepatology Reports / Ausgabe 4/2018
Elektronische ISSN: 2195-9595
DOI: https://doi.org/10.1007/s11901-018-0433-7

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Implications of Circulating Hepatitis B Virus RNA Levels in Assessment of Response to Antiviral Therapy

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