Evidence map›Paper›PMID 20979650›Full record

ArticleBMC gastroenterology2010

Association of IL1B -511C/-31T haplotype and Helicobacter pylori vacA genotypes with gastric ulcer and chronic gastritis.

Dinorah N Martínez-Carrillo, Elvira Garza-González, Reyes Betancourt-Linares, Trinidad Mónico-Manzano, Cuauhtémoc Antúnez-Rivera, Adolfo Román-Román, Eugenia Flores-Alfaro, Berenice Illades-Aguiar, Gloria Fernández-Tilapa

Open access · goldAbstract readComparative Study
In one paragraph

Article in BMC gastroenterology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 2 pooled it
2.7field-weighted citation impact, top 11% 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

31 citing papers in PubMed, 2 syntheses or guidelines pooled it, 59 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Article
  5. Association between the presence and genotype ofExperimental and therapeutic medicine · 2023
    Article
  6. IL-1 Polymorphism andMicroorganisms · 2023
    Article
  7. Article
  8. Review
  9. Article
  10. Associations of Interleukin-1Evidence-based complementary and alternative medicine : eCAM · 2020
    Article
  11. Prevalence ofJournal of global oncology · 2019
    Article
  12. Article
  13. Review
  14. Observational
  15. Article
  16. Article
  17. Gut pathogens · 2017
    Article
  18. Prevalence ofBioMed research international · 2017
    Article
  19. Article
  20. 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

9 authors at 2 institutions in 1 country.

Dinorah N Martínez-CarrilloLaboratorio de Investigación Clínica, Unidad Académica de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Av, Lázaro Cárdenas S/N, Ciudad Universitaria, Colonia Haciendita, Chilpancingo, Guerrero, C,P, 39090, México.
Elvira Garza-González
Reyes Betancourt-Linares
Trinidad Mónico-Manzano
Cuauhtémoc Antúnez-Rivera
Adolfo Román-Román
Eugenia Flores-Alfaro
Berenice Illades-Aguiar
Gloria Fernández-Tilapa
Universidad Autónoma de Guerrero · MXUniversidad Autónoma de Nuevo León · MX

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe association between proinflammatory cytokine gene polymorphisms and gastric diseases related to Helicobacter pylori varies by population and geographic area.Our objective was to determine if the IL-1B -511 T>C and -31 C>T polymorphisms and H. pylori vacA genotypes are associated with risk of chronic gastritis and gastric ulcer in a Mexican population.

methodsWe conducted endoscopic studies in 128 patients with symptoms of dyspepsia. We took two biopsies from the body, antrum, or ulcer edge from each patient, and classified our histopathological findings according to the Sydney System. H. pylori infection and vacA genotyping were accomplished via PCR from total DNA of the gastric biopsies. We confirmed the presence of anti-H. pylori serum IgG and IgM in 102 control subjects. In both case subjects and control subjects, the IL-1B -511 T>C polymorphism was genotyped by PCR-RFLPs and the IL-1B -31 C>T polymorphism was genotyped by pyrosequencing.

resultsSixty-two point seven (62.7%) of the 102 control subjects were H. pylori-seropositive. Among the case subjects, 100 were diagnosed with chronic gastritis and 28 with gastric ulcer. We found that 77% of the patients with chronic gastritis and 85.7% of the patients with gastric ulcer were H. pylori-positive. The predominant H. pylori genotype was vacA s1m1 (58.4%) and the most frequent subtype was vacA s1. The -511 TC, (rs16944 -511 T>C) genotype and the -511C allele were associated with chronic gastritis (OR = 3.1, 95% CI = 1.4-6.8 and OR = 3.0, 95% CI = 1.4-6.0, respectively). The subjects carrying -31T (rs1143627 -31 C>T) were found to be at a higher risk of having chronic gastritis (OR = 2.8, 95% CI = 1.3-5.8). The IL-1B -511C/-31T haplotype was associated with chronic gastritis (OR = 2.1, 95% CI = 1.2-3.8) but not with gastric ulcer.

conclusionsThe H. pylori vacA genotypes identified herein were similar to those reported for other regions of Mexico. The vacA s1m1 genotype was not associated with gastric ulcer. In the southern Mexican population, the IL-1B -511C and -31T alleles and the -511C/-31T and -511T/-31T haplotypes are associated with increased risk of chronic gastritis and gastric ulcer.

Indexed as

Polymorphism, GeneticAdolescentAdultAgedAged, 80 and overBacterial ProteinsBiopsyChronic DiseaseDNADNA, BacterialFemaleGastritisHaplotypesHelicobacter InfectionsHelicobacter pyloriHumansBacterial ProteinsDNADNA, BacterialIL1B protein, humanInterleukin-1betaVacA protein, Helicobacter pylori

Identifiers

PMID20979650
PMCPMC2988070
OpenAlexW2143564698

What OpenQuestion holds

Textmetadata
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.