Evidence map›Paper›PMID 32229546›Full record

ArticleGut2021

HBV vaccination and HBV infection induces HBV-specific natural killer cell memory.

Ratna S Wijaya, Scott A Read, Naomi R Truong, Shuanglin Han, Dishen Chen, Haleh Shahidipour, Nicole L Fewings, Stephen Schibeci, Mahmoud K Azardaryany, Grant P Parnell and 6 more

Abstract read
PubMed Publisher
In one paragraph

Article in Gut, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
2.8field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

37 citing papers in PubMed, 55 citations in OpenAlex.

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  8. Essential role of CD56Molecular therapy : the journal of the American Society of Gene Therapy · 2025
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  19. OMIP-098: A 26 parameter, 24 color flow cytometry panel for human memory NK cell phenotyping.Cytometry. Part A : the journal of the International Society for Analytical Cytology · 2023
    Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

16 authors at 4 institutions in 2 countries.

Ratna S WijayaStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
Scott A ReadStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.ORCID 0000-0001-6775-2061
Naomi R TruongCentre for Virus Research, The Westmead Institute for Medical Research, Westmead, New South Wales, Australia.ORCID 0000-0002-9011-4014
Shuanglin HanStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
Dishen ChenStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
Haleh ShahidipourStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
Nicole L FewingsCentre for Immunology and Allergy Research, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
Stephen SchibeciCentre for Immunology and Allergy Research, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
Mahmoud K AzardaryanyStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
Grant P ParnellCentre for Immunology and Allergy Research, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
David BoothCentre for Immunology and Allergy Research, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
David van der PoortenWestmead Hospital, University of Sydney, Westmead, New South Wales, Australia.
Rita LinWestmead Hospital, University of Sydney, Westmead, New South Wales, Australia.
Jacob GeorgeStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.ORCID 0000-0002-8421-5476
Mark W DouglasStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia.
Golo AhlenstielStorr Liver Centre, The Westmead Institute for Medical Research, University of Sydney, Westmead, New South Wales, Australia G.Ahlenstiel@westernsydney.edu.au.ORCID 0000-0003-0026-1457
The University of Sydney · AUBlacktown & Mount Druitt Hospital · AUPelita Harapan University · IDWestmead Institute for Medical Research · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveVaccination against hepatitis B virus (HBV) confers protection from subsequent infection through immunological memory that is traditionally considered the domain of the adaptive immune system. This view has been challenged following the identification of antigen-specific memory natural killer cells (mNKs) in mice and non-human primates. While the presence of mNKs has been suggested in humans based on the expansion of NK cells following pathogen exposure, evidence regarding antigen-specificity is lacking. Here, we demonstrate the existence of HBV-specific mNKs in humans after vaccination and in chronic HBV infection.

designNK cell responses were evaluated by flow cytometry and ELISA following challenge with HBV antigens in HBV vaccinated, non-vaccinated and chronic HBV-infected individuals.

resultsNK cells from vaccinated subjects demonstrated higher cytotoxic and proliferative responses against autologous hepatitis B surface antigen (HBsAg)-pulsed monocyte-derived dendritic cells (moDCs) compared with unvaccinated subjects. Moreover, NK cell lysis of HBsAg-pulsed moDCs was significantly higher than that of hepatitis B core antigen (HBcAg)-pulsed moDCs (non-vaccine antigen) or tumour necrosis factor α-activated moDCs in a NKG2D-dependent manner. The mNKs response was mediated by CD56

conclusionsOur data support the presence of a mature mNKs following HBV antigen exposure either through vaccination or infection. Harnessing these antigen specific, functionally active mNKs provides an opportunity to develop novel treatments targeting HBV in chronic infection.

Indexed as

Adaptive ImmunityAntibodies, ViralEnzyme-Linked Immunosorbent AssayFemaleFlow CytometryHepatitis BHepatitis B AntigensHepatitis B, ChronicHepatitis B Core AntigensHepatitis B VaccinesHumansImmunologic MemoryKiller Cells, NaturalMaleMiddle AgedAntibodies, ViralHepatitis B AntigensHepatitis B Core AntigensHepatitis B Vaccinescellular immunitychronic viral hepatitishepatitis Bimmune response

Identifiers

PMID32229546
OpenAlexW3013573537

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.