Evidence map›Paper›PMID 19729845›Full record

ReviewThe Journal of clinical investigation2009

Coadaptation of Helicobacter pylori and humans: ancient history, modern implications.

John C Atherton, Martin J Blaser

Open access · bronzeAbstract readHistorical ArticleReview
In one paragraph

Review in The Journal of clinical investigation, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 278 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
278citing papers in PubMed, 1 pooled it
35.0field-weighted citation impact, top 1% 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

278 citing papers in PubMed, 1 synthesis or guideline pooled it, 556 citations in OpenAlex.

  1. Pooled it
  2. Effect of treatment failure on the CagA EPIYA motif inWorld journal of gastroenterology · 2017
    Trial
  3. Article
  4. Microbiology and molecular biology reviews : MMBR · 2026
    Review
  5. Review
  6. Review
  7. Beyond the Stomach: Exploring the Role ofExpert reviews in molecular medicine · 2026
    Review
  8. Article
  9. Review
  10. Managing dangerous liaisons: lessons fromJournal of bacteriology · 2026
    Review
  11. Article
  12. Article
  13. Article
  14. Diagnosis and treatment ofFuture microbiology · 2025
    Review
  15. Article
  16. Species-specific components of theInfection and immunity · 2025
    Article
  17. FlgY, PflA, and PflB form a spoke-ring network in the high-torque flagellar motor ofProceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  18. Article
  19. Effect ofImmunotherapy · 2025
    Review
  20. Article

218 more citing papers are in PubMed but not listed here.

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

2 authors at 2 institutions in 2 countries.

John C AthertonNottingham Digestive Diseases Centre Biomedical Research Unit and Institute of Infection, Immunity and Inflammation, Centre for Biomolecular Sciences, University of Nottingham, Nottingham, United Kingdom. John.Atherton@nottingham.ac.uk
Martin J Blaser
New York University · USUniversity of Nottingham · GB

Funding

MATHEMATICAL MODELS OF H PYLORI GASTRIC COLONIZATIONR01GM063270 · NIGMS · NEW YORK UNIVERSITY SCHOOL OF MEDICINE · PI BLASER, MARTIN J · 2000 to 2013
$3.1M
Cancer Research UKMedical Research Council G0601170NIGMS NIH HHS R01 GM063270NIGMS NIH HHS R01 GM63270
6 · The paper itself

Abstract

Humans have been colonized by Helicobacter pylori for at least 50,000 years and probably throughout their evolution. H. pylori has adapted to humans, colonizing children and persisting throughout life. Most strains possess factors that subtly modulate the host environment, increasing the risk of peptic ulceration, gastric adenocarcinoma, and possibly other diseases. H. pylori genes encoding these and other factors rapidly evolve through mutation and recombination, changing the bacteria-host interaction. Although immune and physiologic responses to H. pylori also contribute to pathogenesis, humans have evolved in concert with the bacterium, and its recent absence throughout the life of many individuals has led to new human physiological changes. These may have contributed to recent increases in esophageal adenocarcinoma and, more speculatively, other modern diseases.

Indexed as

Adaptation, PhysiologicalAnimalsAntigens, BacterialBacterial ProteinsEvolution, MolecularGenetic VariationHelicobacter InfectionsHelicobacter pyloriHistory, 19th CenturyHistory, 20th CenturyHistory, 21st CenturyHistory, AncientHost-Pathogen InteractionsHumansHypersensitivityModels, BiologicalAntigens, BacterialBacterial ProteinscagA protein, Helicobacter pyloriVacA protein, Helicobacter pylori

Identifiers

PMID19729845
PMCPMC2735910
OpenAlexW2078336838

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.