ArticleHepatology international2025
Functional B cell deficiency promotes intrahepatic HBV replication and impairs the development of anti-HBV T cell responses.
Article in Hepatology international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- A preS2 aa1-26-specific humoural response marks functional cure in chronic HBV infection.EBioMedicine · 2026Article
- Association between changes in HBsAb levels and hepatic adverse events after HBsAg clearance in non-cirrhotic chronic hepatitis B patients.BMC infectious diseases · 2026Observational
- Cell-autonomous co-stimulatory function of membrane-bound CD100 promotes activation and differentiation of HBcAg-specific CD8Frontiers in immunology · 2026Article
Corrections and comments
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Authors and funding
14 authors.
Funding
Abstract
backgroundThe pivotal role of antibody-producing B cells in controlling hepatitis B virus (HBV) infection is well-established. However, the antiviral role of B cells extends beyond antibody production, which has been insufficiently studied for HBV infection.
methodsUsing an HBV hydrodynamic injection (HDI) mouse model with B cell depletion or functional blockade, we detected HBV infection markers and assessed T cell function through enzyme-linked immunosorbent assay, RT-PCR and flow cytometry.
resultsWe observed significantly delayed serum and intrahepatic HBV clearance in permanently B cell-deficient and transiently B cell-depleted mice as well as mice with a functional B cell blockade. Blocking B cell function prior to or soon after HBV HDI resulted in delayed HBV clearance indicating that B cells contribute to initiating anti-HBV immune responses after following HBV exposure. Additionally, we also found an early activation of B cells following HBV exposure, characterized by an upregulation of MHC-II, CXCR5, and PD-1. Critically, the proliferation and activation of both CD4 + and CD8 + T cells were impaired after B cell depletion prior to HBV challenge. Consistently, depleting B cells reduced the generation of Th1, Th2, and Th17 cells in the spleen and hindered HBV-specific CD8 + T cell responses in the liver. Along these lines, the HBV-exposed B cells were more efficient in inducing HBcAg-specific CD8 + T cell responses in vitro.
conclusionsCollectively, our data indicate that B cells, in addition to antibody production, are essential for the development of anti-HBV cellular responses and intrahepatic HBV clearance during the early stage of HBV antigen exposure.
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