Evidence map›Paper›PMID 28412148›Full record

ArticlePancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]

No evidence to support a role for Helicobacter pylori infection and plasminogen binding protein in autoimmune pancreatitis and IgG4-related disease in a UK cohort.

Emma L Culver, Wouter L Smit, Caroline Evans, Ross Sadler, Tamsin Cargill, Mateusz Makuch, Lai-Mun Wang, Berne Ferry, Paul Klenerman, Eleanor Barnes

Open access · hybridAbstract read
In one paragraph

Article in Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
3.8field-weighted citation impact, top 7% 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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 28 citations in OpenAlex.

  1. Clinical practice guidelines for IgG4-related sclerosing cholangitis.Journal of hepato-biliary-pancreatic sciences · 2019
    Guideline
  2. Article
  3. Non-O1, Non-O139Case reports in infectious diseases · 2024
    Article
  4. Review
  5. Review
  6. IgG4-related diseases of the digestive tract.Nature reviews. Gastroenterology & hepatology · 2022
    Review
  7. Review
  8. World journal of gastrointestinal oncology · 2021
    Review
  9. Immune Dysregulation in IgGFrontiers in immunology · 2021
    Review
  10. Review
  11. Review
  12. Review
  13. Article
  14. [Pathogenesis of immunoglobulin G4-related hepatobiliary disease].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2018
    Article
  15. Article
  16. Antigenic and immunogenic evaluation ofIranian journal of basic medical sciences · 2017
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 2 countries.

Emma L CulverPeter Medawar Building, Nuffield Department Medicine, Oxford University, UK; Translational Gastroenterology Unit and NIHR Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK. Electronic address: emma.culver@nhs.net.
Wouter L SmitTranslational Gastroenterology Unit and NIHR Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK; Academic Medical Centre, Department of Gastroenterology and Hepatology, Amsterdam, The Netherlands.
Caroline EvansClinical Immunology Department, Churchill Hospital, Oxford, UK.
Ross SadlerClinical Immunology Department, Churchill Hospital, Oxford, UK.
Tamsin CargillPeter Medawar Building, Nuffield Department Medicine, Oxford University, UK; Translational Gastroenterology Unit and NIHR Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK.
Mateusz MakuchPeter Medawar Building, Nuffield Department Medicine, Oxford University, UK.
Lai-Mun WangDepartment of Cellular Pathology, John Radcliffe Hospital, Oxford, UK.
Berne FerryClinical Immunology Department, Churchill Hospital, Oxford, UK.
Paul KlenermanPeter Medawar Building, Nuffield Department Medicine, Oxford University, UK; Translational Gastroenterology Unit and NIHR Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK.
Eleanor BarnesPeter Medawar Building, Nuffield Department Medicine, Oxford University, UK; Translational Gastroenterology Unit and NIHR Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK.
John Radcliffe Hospital · GBChurchill Hospital · GBUniversity of Oxford · GB

Funding

Medical Research Council MR/K010239/1Wellcome Trust 109965/Z/15/Z
6 · The paper itself

Abstract

BACKGROUND AND

objectivesHelicobacter pylori (H.pylori) plasminogen binding protein (PBP) has been proposed as an antigen triggering autoimmune pancreatitis (AIP), the pancreatic manifestation of IgG4-related disease (IgG4-RD). We investigated exposure to H. pylori infection, cytokine response and immunological memory to H. pylori PBP in a prospective IgG4-RD cohort in the UK.

methodsClinical and endoscopic evidence of peptic ulceration, serological H. pylori exposure and serum IgG4 levels were obtained in 55 IgG4-RD patients and 52 disease controls (DC) with autoimmune or inflammatory conditions with an elevated serum IgG4. Gastric and duodenal tissues were assessed for H. pylori and immunostained for IgG4. B and T cell ELISpot and cytokine luminex assays were used to detect immune responses to H. pylori PBP.

results85% of IgG4-RD patients had pancreatic and/or biliary disease, 89% had extra-pancreatic manifestations, and 84% had an increased serum IgG4. Clinical dyspepsia (35.2%), gastritis (58%), peptic ulceration (7.4%) and H. pylori colonisation (24%) in IgG4-RD was similar to DC. In IgG4-RD, gastric tissue contained a chronic inflammatory infiltrate with a low IgG4+ plasma-cell count (<10/HPF; range 1-4/HPF), and duodenal specimens had an increased IgG4 count (>10/HPF; range 7-54) compared with DC (p < 0.01). Th1 and Th2 cytokine response and immunological B-cell memory to H. pylori PBP did not differ between IgG4-RD and DC.

conclusionsIn a prospective UK cohort, the prevalence of gastric ulceration, exposure to H. pylori, cytokine response and immunological memory to H. pylori PBP did not differ in IgG4-RD patients compared with DC. This study does not support a role for H. pylori PBP as a microbial antigen in IgG4-RD. KEYWORDS FOR ABSTRACT: Peptic ulceration, Antigens, B cells, T cells, Interleukins, Helicobacter pylori.

Indexed as

Helicobacter pyloriAdultAgedAutoimmune DiseasesBacterial ProteinsCarrier ProteinsCohort StudiesCytokinesFemaleHelicobacter InfectionsHumansImmunoglobulin GImmunohistochemistryMaleMiddle AgedPancreatitisBacterial ProteinsCarrier ProteinsCytokinesImmunoglobulin Gplasminogen-binding protein, bacteriaAdaptive immunityAutoimmune pancreatitisHelicobacter pyloriIgG4IgG4-related disease

Identifiers

PMID28412148
PMCPMC5459459
OpenAlexW2605080685

What OpenQuestion holds

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LicenceCC BY
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.