Evidence map›Paper›PMID 22572832›Full record

ArticleGut microbes

Study on the association of Helicobacter species with viral hepatitis-induced hepatocellular carcinoma.

Alexander Krüttgen, Hans-Peter Horz, Josefine Weber-Heynemann, Mihael Vucur, Christian Trautwein, Gerhard Haase, Tom Luedde, Christoph Roderburg

Open access · bronzeAbstract read
In one paragraph

Article in Gut microbes. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.9field-weighted citation impact, top 9% 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

19 citing papers in PubMed, 39 citations in OpenAlex.

  1. Review
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  8. Gut microbiota in non-alcoholic fatty liver disease and alcohol-related liver disease: Current concepts and perspectives.Hepatology research : the official journal of the Japan Society of Hepatology · 2020
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  14. The gut-liver axis and the intersection with the microbiome.Nature reviews. Gastroenterology & hepatology · 2018
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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.

Alexander KrüttgenDepartment of Medical Microbiology, RWTH Aachen University, Aachen, Germany.
Hans-Peter Horz
Josefine Weber-Heynemann
Mihael Vucur
Christian Trautwein
Gerhard Haase
Tom Luedde
Christoph Roderburg
RWTH Aachen University · DE

Funding

European Research Council 208237
6 · The paper itself

Abstract

Helicobacter species are important pathogens and previous studies in mice suggested a link between colonization by Helicobacter hepaticus (H. hepaticus) and hepatocellular carcinoma (HCC). This study aimed at corroborating this potential link in human patients. We used a sensitive and specific Helicobacter ssp PCR assay to screen stool samples from a collective of patients with viral-induced HCC (hepatitis B or hepatitis C) and a control group for presence of Helicobacter ssp DNA. Although retrieving DNA of H. pylori and H. canadensis from stool samples of non-HCC patients, we found no evidence indicating the presence of H. hepaticus in HCC-patients with chronic hepatitis B or hepatitis C. Interestingly we found H. canadensis in a stool sample of a patient presenting with diarrhea. Taken together, our data argue against a pathogenic role of H. hepaticus in viral-induced HCC. Yet, our results do not exclude a role of H. hepaticus in those HCC cases caused by other carcinogens, such as aflatoxin. Moreover, we speculate that H. canadensis might be a novel gastrointestinal pathogen.

Indexed as

AdultAgedAged, 80 and overAnimalsCarcinoma, HepatocellularDNA, BacterialFecesFemaleHelicobacterHelicobacter InfectionsHepatitis B, ChronicHepatitis C, ChronicHumansLiver NeoplasmsMaleMiceDNA, Bacterial

Identifiers

PMID22572832
PMCPMC3427215
OpenAlexW2093788236

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.