ArticleGut2026
Engineered virus-hunter vaccine overcomes HBV immune tolerance.
Article in Gut, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- [Advances in basic and experimental diagnostic research on liver diseases in 2025].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2026Article
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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
22 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundGlobally, an estimated 296 million individuals live with chronic hepatitis B virus (HBV) infection, carrying substantial risks of liver fibrosis, cirrhosis and hepatocellular carcinoma. Fewer than 20% of patients receiving nucleos(t)ide analogues or interferons achieve a functional cure, underscoring the urgent need for novel therapeutic strategies to improve clinical outcomes in patients with chronic HBV infection.
objectiveThe aim of this study was to develop a 'virus-hunter vaccine' that hijacks HBV antigens as endogenous immunogens, reprogramming dendritic cells (DCs) to prime anti-HBV immunity, ultimately achieving a durable functional cure beyond current therapeutic limitations.
designWe engineered the SHARP (Specific HBV Antigen-capturing and Rendering Promotor) vaccine platform, comprising a bispecific antibody targeting hepatitis B surface antigen (HBsAg) and DEC-205, conjugated with toll-like receptor 7/8 agonists. Therapeutic efficacy was assessed in chronic HBV carrier mice, with comprehensive investigation of immunological mechanisms.
resultsBoth SHARP variants demonstrated enhanced antigen phagocytosis, maturation and antigen presentation of DCs. Notably, SHARP-D265A (DA) emerged as the lead candidate due to its optimised Fc silencing, showing superior therapeutic efficacy with a lower anti-drug antibody incidence. SHARP treatment reversed the tolerogenic microenvironment through coordinated activation of HBV-specific CD4
conclusionThis innovative HBV vaccine strategy actively captures viruses, overcoming the tolerogenic immune microenvironment of chronic HBV infection, offering a novel strategy for the treatment of chronic HBV infection and other immune-tolerant diseases.
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