NDLI: Serum HBV RNA quantification: useful for monitoring natural history of chronic hepatitis B infection

Content Provider	Springer Nature : BioMed Central
Author	Liu, Yayun Jiang, Meng Xue, Jianya Yan, Hongli Liang, Xuesong
Abstract	Background As an alternative biomarker of intrahepatic covalently closed circular DNA (cccDNA) transcriptional activity, hepatitis B virus (HBV) RNA may evolve during long-lasting virus-host interactions during chronic hepatitis B viral infection. The distribution pattern of serum HBV RNA levels in the natural course of chronic HBV infection remains unclear. The aim of this study was to evaluate the levels of HBV RNA during the natural course of CHB and the role in distinguishing the natural history of HBV infection. Methods A total of 291 treatment-naïve chronic HBV carriers were enrolled. Based on the clinical, biochemical, serological, and histological data as well as HBV DNA levels, patients were classified into the following four categories: the immune-tolerant phase (IT,n = 35), HBeAg-positive immune-active phase (EPIA,n = 121), inactive chronic hepatitis B(ICH,n = 77) and HBeAg-negative immune reactive hepatitis (ENH,n = 58). The parameters and distribution patterns of serum HBV RNA were evaluated in relation to viral replication status, immune phase, disease category and Child-Pugh class. The relationships between serum HBV RNA and other serum hepatitis B viral markers were also analyzed. Results Serum HBV RNA levels were significantly lower in the HBeAg-negative patients compared to those in the HBeAg-positive patients, with the lowest levels seen in inactive carriers. In HBeAg-negative patients, serum HBV RNA levels increased if there is reactivation to active hepatitis and showed obvious superiority for the combination of serum HBV DNA (cutoff>3.39 Log copies/mL) and HBsAg (cutoff>2.74 Log IU/mL) in discriminating between ‘HBeAg-negative immune reactive’ phase and inactive chronic hepatitis B phases of HBeAg-negative chronic HBV infection. Serum HBV RNA levels were positively correlated with serum HBV DNA and HBsAg levels in all chronic HBV-infected patients. A stratified analysis revealed that a correlation between serum HBV RNA and HBV DNA or HBsAg was present in HBeAg-positive patients; however, in HBeAg-negative patients, serum HBV RNA was positively correlated with HBV DNA only. Conclusion During the natural course of chronic HBV infection, serum HBV RNA levels vary. Serum HBV RNA can act as a biomarker to predict the natural history of disease in chronic hepatitis B patients. In treatment-naïve HBeAg-negative chronic HBV-infected individuals, serum HBV RNA shows superiority in differentiating the ‘HBeAg-negative reactive’ phase.
Related Links	https://bmcgastroenterol.biomedcentral.com/counter/pdf/10.1186/s12876-019-0966-4.pdf
Ending Page	9
Page Count	9
Starting Page	1
File Format	HTM / HTML
DOI	10.1186/s12876-019-0966-4
Journal	BMC Gastroenterology
Issue Number	1
Volume Number	19
Language	English
Publisher	BioMed Central
Publisher Date	2019-04-16
Access Restriction	Open
Subject Keyword	Gastroenterology Internal Medicine Hepatology Hepatitis B virus (HBV) Pregenomic RNA (pgRNA) Natural history Hepatitis B e antigen (HBeAg) Hepatitis B surface antigen (HBsAg)
Content Type	Text
Resource Type	Article
Subject	Gastroenterology
Journal Impact Factor	2.5/2023
5-Year Journal Impact Factor	2.7/2023

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Serum HBV RNA quantification: useful for monitoring natural history of chronic hepatitis B infection

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Correction to: Serum HBV RNA quantification: useful for monitoring natural history of chronic hepatitis B infection

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