Isolated anti-HBc: The Relevance of Hepatitis B Core Antibody—A Review of New Issues

Tiffany Wu, Ryan M. Kwok, Tram T. Tran*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

40 Scopus citations

Abstract

Hepatitis B core antibody (anti-HBc) is considered the most sensitive serological marker for history of hepatitis B virus (HBV) infection. In a subset of anti-HBc carriers, anti-HBc is present in the absence of hepatitis B surface antigen and hepatitis B surface antibody—a serological pattern known as “isolated anti-HBc” (IAHBc). IAHBc has been of clinical interest over the past several years, with growing data to suggest its role as a serological marker for occult HBV infection (OBI). This article reviews the clinical significance and association of IAHBc with hepatitis C virus (HCV) co-infection, risk of HBV reactivation during direct-acting antiviral therapy for HCV as well as immune suppression, and development of hepatocellular carcinoma (HCC). Hepatitis B core-related antigen is also highlighted as an emerging laboratory assay that may identify OBI and predict HCC development in non-cirrhotic patients receiving nucleoside/nucleotide analog therapy.

Original languageEnglish
Pages (from-to)1780-1788
Number of pages9
JournalAmerican Journal of Gastroenterology
Volume112
Issue number12
DOIs
StatePublished - 1 Dec 2017
Externally publishedYes

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