Evidence map›Paper›PMID 36926663›Full record

ArticleWorld journal of gastroenterology2023

Comparison of genomic and transcriptional microbiome analysis in gastric cancer patients and healthy individuals.

Darja Nikitina, Konrad Lehr, Ramiro Vilchez-Vargas, Laimas Virginijus Jonaitis, Mindaugas Urba, Juozas Kupcinskas, Jurgita Skieceviciene, Alexander Link

Open access · hybridAbstract read
In one paragraph

Article in World journal of gastroenterology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
6.4field-weighted citation impact, top 3% 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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. The relationship between the gastric cancer microbiome and clinicopathological factors: a metagenomic investigation from the 100,000 genomes project and The Cancer Genome Atlas.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2025
    Article
  6. Observational
  7. Article
  8. Review
  9. Article
  10. Article
  11. World journal of gastroenterology · 2024
    Review
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Gastric Cancer: The Microbiome Beyond Helicobacter pylori.Current topics in microbiology and immunology · 2023
    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

8 authors at 1 institution in 1 country.

Darja NikitinaInstitute for Digestive Research, Lithuanian University of Health Sciences, Kaunas 44307, Lithuania.
Konrad LehrDepartment of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke University Hospital, Magdeburg 39120, Germany.
Ramiro Vilchez-VargasDepartment of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke University Hospital, Magdeburg 39120, Germany.
Laimas Virginijus JonaitisDepartment of Gastroenterology, Lithuanian University of Health Sciences, Kaunas 44307, Lithuania.
Mindaugas UrbaDepartment of Gastroenterology, Lithuanian University of Health Sciences, Kaunas 44307, Lithuania.
Juozas KupcinskasInstitute for Digestive Research, Lithuanian University of Health Sciences, Kaunas 44307, Lithuania.
Jurgita SkiecevicieneInstitute for Digestive Research, Lithuanian University of Health Sciences, Kaunas 44307, Lithuania. jurgita.skieceviciene@lsmu.lt.
Alexander LinkDepartment of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke University Hospital, Magdeburg 39120, Germany.
Lithuanian University of Health Sciences · LT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background

aimTo characterize the microbiota of GC using 16S rRNA gene and its transcript and determine difference in the bacterial composition.

methodsIn this study, 316 DNA and RNA samples extracted from 105 individual stomach biopsies were included. The study cohort consisted of 29 healthy control individuals and 76 patients with GC. Gastric tissue biopsy samples were collected from damaged mucosa and healthy mucosa at least 5 cm from the tumor tissue. From the controls, healthy stomach mucosa biopsies were collected. From all biopsies RNA and DNA were extracted. RNA was reverse transcribed into cDNA. V1-V2 region of bacterial 16S rRNA gene from all samples were amplified and sequenced on an Illumina MiSeq platform. Bray-Curtis algorithm was used to construct sample-similarity matrices abundances of taxonomic ranks in each sample type. For significant differences between groups permutational multivariate analysis of variance and Mann-Whitney test followed by false-discovery rate test were used.

resultsMicrobial analysis revealed that only a portion of phylotypes (18%-30%) overlapped between microbial profiles obtained from DNA and RNA samples. Detailed analysis revealed differences between GC and controls depending on the chosen modality, identifying 17 genera at the DNA level and 27 genera at the RNA level. Ten of those bacteria were found to be different from the control group at both levels. The key taxa showed congruent results in various tests used; however, differences in 7 bacteria taxa were found uniquely only at the DNA level, and 17 uniquely only at the RNA level. Furthermore, RNA sequencing was more sensitive for detecting differences in bacterial richness, as well as differences in the relative abundance of

conclusionComprehensive microbial study provides evidence for the effect of choice of sequencing modality on the microbiota profile, as well as on the identified differences between case and control.

Indexed as

Helicobacter pyloriMicrobiotaStomach NeoplasmsBacteriaGastric MucosaGenomicsHumansRNA, Ribosomal, 16SRNA, Ribosomal, 16S16S rDNA16S rRNA gene16S rRNA transcriptGastric cancerHelicobacter pyloriMicrobiome

Identifiers

PMID36926663
PMCPMC10011954
OpenAlexW4321366361

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LicenceCC BY-NC
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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.