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Article: Review article: hepatitis B core-related antigen (HBcrAg): an emerging marker for chronic hepatitis B virus infection
Title | Review article: hepatitis B core-related antigen (HBcrAg): an emerging marker for chronic hepatitis B virus infection |
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Authors | |
Issue Date | 2018 |
Publisher | Wiley-Blackwell. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1365-2036 |
Citation | Alimentary Pharmacology and Therapeutics, 2018, v. 47 n. 1, p. 43-54 How to Cite? |
Abstract | Background:
Chronic hepatitis B (CHB) cannot be completely eradicated due to the presence of covalently closed circular DNA (cccDNA) in the nuclei of infected hepatocytes. While quantification of intrahepatic cccDNA requires liver biopsies, serological markers can be non‐invasive alternatives to reflect intrahepatic viral replicative activity. Recently, hepatitis B core‐related antigen (HBcrAg) has been advocated as a novel serum marker for disease monitoring and prognostication of CHB.
Aim:
To examine the virological aspect and clinical application of HBcrAg with respect to the natural history and treatment of CHB.
Methods:
We reviewed all papers published in the PubMed journal list and abstracts from major international meetings that included the keyword “HBcrAg” or “hepatitis B core‐related antigen” until March 2017. Selected studies were compared and summarised on the basis of existing theories, as well as the authors’ experience.
Results:
HBcrAg exhibited good correlation with intrahepatic (ih) cccDNA, ih total hepatitis B virus (HBV) DNA, serum HBV DNA and to a lesser extent HBV surface antigen (HBsAg). In situations where serum HBV DNA levels become undetectable or HBsAg loss is achieved, HBcrAg can still be detectable. This marker is helpful in differentiation of HBeAg‐negative chronic hepatitis from HBeAg‐negative chronic infection, predicting spontaneous or treatment‐induced HBeAg seroconversion, sustained response to nucleos(t)ide analogue (NA), risk of HBV reactivation in occult HBV infection under immunosuppressive therapies, and risk of hepatocellular carcinoma (HCC) development as well as post‐operative HCC recurrence.
Conclusions:
HBcrAg is a potential surrogate marker of cccDNA. It may soon become a useful marker for disease monitoring, predicting treatment response and disease outcome of chronic hepatitis B. |
Persistent Identifier | http://hdl.handle.net/10722/252153 |
ISSN | 2021 Impact Factor: 9.524 2020 SCImago Journal Rankings: 3.308 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Mak, LY | - |
dc.contributor.author | Wong, DKH | - |
dc.contributor.author | Cheung, KSM | - |
dc.contributor.author | Seto, WKW | - |
dc.contributor.author | Lai, CL | - |
dc.contributor.author | Yuen, RMF | - |
dc.date.accessioned | 2018-04-11T06:29:13Z | - |
dc.date.available | 2018-04-11T06:29:13Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Alimentary Pharmacology and Therapeutics, 2018, v. 47 n. 1, p. 43-54 | - |
dc.identifier.issn | 0269-2813 | - |
dc.identifier.uri | http://hdl.handle.net/10722/252153 | - |
dc.description.abstract | Background: Chronic hepatitis B (CHB) cannot be completely eradicated due to the presence of covalently closed circular DNA (cccDNA) in the nuclei of infected hepatocytes. While quantification of intrahepatic cccDNA requires liver biopsies, serological markers can be non‐invasive alternatives to reflect intrahepatic viral replicative activity. Recently, hepatitis B core‐related antigen (HBcrAg) has been advocated as a novel serum marker for disease monitoring and prognostication of CHB. Aim: To examine the virological aspect and clinical application of HBcrAg with respect to the natural history and treatment of CHB. Methods: We reviewed all papers published in the PubMed journal list and abstracts from major international meetings that included the keyword “HBcrAg” or “hepatitis B core‐related antigen” until March 2017. Selected studies were compared and summarised on the basis of existing theories, as well as the authors’ experience. Results: HBcrAg exhibited good correlation with intrahepatic (ih) cccDNA, ih total hepatitis B virus (HBV) DNA, serum HBV DNA and to a lesser extent HBV surface antigen (HBsAg). In situations where serum HBV DNA levels become undetectable or HBsAg loss is achieved, HBcrAg can still be detectable. This marker is helpful in differentiation of HBeAg‐negative chronic hepatitis from HBeAg‐negative chronic infection, predicting spontaneous or treatment‐induced HBeAg seroconversion, sustained response to nucleos(t)ide analogue (NA), risk of HBV reactivation in occult HBV infection under immunosuppressive therapies, and risk of hepatocellular carcinoma (HCC) development as well as post‐operative HCC recurrence. Conclusions: HBcrAg is a potential surrogate marker of cccDNA. It may soon become a useful marker for disease monitoring, predicting treatment response and disease outcome of chronic hepatitis B. | - |
dc.language | eng | - |
dc.publisher | Wiley-Blackwell. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1365-2036 | - |
dc.relation.ispartof | Alimentary Pharmacology and Therapeutics | - |
dc.rights | This is the accepted version of the following article: Alimentary Pharmacology and Therapeutics, 2018, v. 47 n. 1, p. 43-54, which has been published in final form at https://onlinelibrary.wiley.com/doi/abs/10.1111/apt.14376 | - |
dc.title | Review article: hepatitis B core-related antigen (HBcrAg): an emerging marker for chronic hepatitis B virus infection | - |
dc.type | Article | - |
dc.identifier.email | Wong, DKH: danywong@hku.hk | - |
dc.identifier.email | Cheung, KSM: cks634@hku.hk | - |
dc.identifier.email | Seto, WKW: wkseto@hku.hk | - |
dc.identifier.email | Lai, CL: hrmelcl@hkucc.hku.hk | - |
dc.identifier.email | Yuen, RMF: mfyuen@hku.hk | - |
dc.identifier.authority | Wong, DKH=rp00492 | - |
dc.identifier.authority | Cheung, KSM=rp02532 | - |
dc.identifier.authority | Seto, WKW=rp01659 | - |
dc.identifier.authority | Lai, CL=rp00314 | - |
dc.identifier.authority | Yuen, RMF=rp00479 | - |
dc.description.nature | postprint | - |
dc.identifier.doi | 10.1111/apt.14376 | - |
dc.identifier.pmid | 29035003 | - |
dc.identifier.scopus | eid_2-s2.0-85031503325 | - |
dc.identifier.hkuros | 284784 | - |
dc.identifier.volume | 47 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 43 | - |
dc.identifier.epage | 54 | - |
dc.identifier.isi | WOS:000417649400006 | - |
dc.publisher.place | United Kingdom | - |
dc.identifier.issnl | 0269-2813 | - |