Evidence map›Paper›PMID 37507685›Full record

ArticleBMC gastroenterology2023

Gut microbiota analyses of inflammatory bowel diseases from a representative Saudi population.

Raed M Alsulaiman, Abdulaziz A Al-Quorain, Fahad A Al-Muhanna, Stanley Piotrowski, Ezzeddin A Kurdi, Chittibabu Vatte, Ahmed A Alquorain, Noorah H Alfaraj, Abdulaziz M Alrezuk, Fred Robinson and 10 more

Abstract read
In one paragraph

Article in BMC gastroenterology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

15 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
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  7. Review
  8. Article
  9. Article
  10. A bibliometric analysis of inflammatory bowel disease research in the Arab world.Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association · 2025
    Article
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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

20 authors.

Raed M AlsulaimanDepartment of Internal Medicine, King Fahd Hospital of the University, Alkhobar, Imam Abdulrahman bin Faisal University, Dammam, 31441, Saudi Arabia.
Abdulaziz A Al-QuorainDepartment of Internal Medicine, King Fahd Hospital of the University, Alkhobar, Imam Abdulrahman bin Faisal University, Dammam, 31441, Saudi Arabia.
Fahad A Al-MuhannaDepartment of Internal Medicine, King Fahd Hospital of the University, Alkhobar, Imam Abdulrahman bin Faisal University, Dammam, 31441, Saudi Arabia.
Stanley PiotrowskiEarle A Chiles Research Institute, Robert W. Franz Cancer Center, Portland, Oregon, OR, 97213, USA.
Ezzeddin A KurdiKing Fahd Hospital, Al Hafof, 36441, Saudi Arabia.
Chittibabu VatteDepartment of Clinical Biochemistry, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia.
Ahmed A AlquorainDepartment of Internal Medicine, King Fahd Hospital of the University, Alkhobar, Imam Abdulrahman bin Faisal University, Dammam, 31441, Saudi Arabia.
Noorah H AlfarajAl Qatif Central Hospital, Al Qatif, 32654, Saudi Arabia.
Abdulaziz M AlrezukDepartment of Internal Medicine, King Fahd Hospital of the University, Alkhobar, Imam Abdulrahman bin Faisal University, Dammam, 31441, Saudi Arabia.
Fred RobinsonEarle A Chiles Research Institute, Robert W. Franz Cancer Center, Portland, Oregon, OR, 97213, USA.
Alexa K DowdellEarle A Chiles Research Institute, Robert W. Franz Cancer Center, Portland, Oregon, OR, 97213, USA.
Turki A AlamriDepartment of Internal Medicine, King Fahd Hospital of the University, Alkhobar, Imam Abdulrahman bin Faisal University, Dammam, 31441, Saudi Arabia.
Lauren HamiltonEarle A Chiles Research Institute, Robert W. Franz Cancer Center, Portland, Oregon, OR, 97213, USA.
Hetal LadDepartment of Surgery, Perelman School of Medicine, University of Pennsylvania, Pennsylvania, PA, 19104, USA.
Hui GaoDepartment of Surgery, Perelman School of Medicine, University of Pennsylvania, Pennsylvania, PA, 19104, USA.
Divya GandlaDepartment of Surgery, Perelman School of Medicine, University of Pennsylvania, Pennsylvania, PA, 19104, USA.
Brendan J KeatingDepartment of Surgery, Perelman School of Medicine, University of Pennsylvania, Pennsylvania, PA, 19104, USA.
Ryan MengEarle A Chiles Research Institute, Robert W. Franz Cancer Center, Portland, Oregon, OR, 97213, USA.
Brian PieningEarle A Chiles Research Institute, Robert W. Franz Cancer Center, Portland, Oregon, OR, 97213, USA.
Amein K Al-AliDepartment of Clinical Biochemistry, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia. aalali@iau.edu.sa.

Funding

King Abdulaziz City for Science and Technology 13-MED1881-46
6 · The paper itself

Abstract

backgroundCrohn's diseases and ulcerative colitis, both of which are chronic immune-mediated disorders of the gastrointestinal tract are major contributors to the overarching Inflammatory bowel diseases. It has become increasingly evident that the pathological processes of IBDs results from interactions between genetic and environmental factors, which can skew immune responses against normal intestinal flora.

methodsThe aim of this study is to assess and analyze the taxa diversity and relative abundances in CD and UC in the Saudi population. We utilized a sequencing strategy that targets all variable regions in the 16 S rRNA gene using the Swift Amplicon 16 S rRNA Panel on Illumina NovaSeq 6000.

resultsThe composition of stool 16 S rRNA was analyzed from 219 patients with inflammatory bowel disease and from 124 healthy controls. We quantified the abundance of microbial communities to examine any significant differences between subpopulations of samples. At the genus level, two genera in particular, Veillonella and Lachnoclostridium showed significant association with CD versus controls. There were significant differences between subjects with CD versus UC, with the top differential genera spanning Akkermansia, Harryflintia, Maegamonas and Phascolarctobacterium. Furthermore, statistically significant taxa diversity in microbiome composition was observed within the UC and CD groups.

conclusionsIn conclusion we have shown that there are significant differences in gut microbiota between UC, CD and controls in a Saudi Arabian inflammatory bowel disease cohort. This reinforces the need for further studies in large populations that are ethnically and geographically diverse. In addition, our results show the potential to develop classifiers that may have add additional richness of context to clinical diagnosis of UC and CD with larger inflammatory bowel disease cohorts.

Indexed as

Colitis, UlcerativeCrohn DiseaseGastrointestinal MicrobiomeInflammatory Bowel DiseasesHumansSaudi ArabiaCrohn’s diseaseIBDInflammationMicrobiotaSaudiUlcerative colitis

Identifiers

PMID37507685
PMCPMC10375692

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Registered trials

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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.