ArticleSaudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association2025
Bacterial dysbiosis in newly diagnosed treatment naïve pediatric ulcerative colitis in Saudi Arabia.
Article in Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- The treatment naïve microbiome of pediatric ulcerative colitis and microbial therapeutics: A humbling challenge.Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association · 2025Article
- Gut fungal profile in new onset treatment-naïve ulcerative colitis in Saudi children.Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association · 2025Article
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8 authors.
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Abstract
backgroundThe role of microbiota in the pathogenesis of ulcerative colitis (UC) has been increasingly recognized. However, most of the reports are from Western populations. In Middle Eastern countries, including Saudi Arabia, little is known about the role of microbiota. Therefore, our aim was to describe the bacterial microbiota profile and signature in pediatric UC in Saudi Arabia.
methodsTwenty children with UC and 20 healthy controls enrolled in the study gave stool samples. Twenty rectal mucosal samples were taken from UC and 20 from non-UC controls. Inclusion criteria included newly diagnosed and untreated children and lack of antibiotic exposure for at least 6 months before stool collection was required for children with UC and controls. Bacterial deoxyribonucleic acid was extracted and sequenced using shotgun metagenomic analysis. Statistical analysis included Shannon alpha diversity metrics, Bray-Curtis dissimilarity, DESeq2, and biomarker discovery.
resultsThe demographic characteristics were similar in children with UC and controls. There was a significant reduction in alpha diversity ( P = 0.037) and beta diversity in samples from children with UC ( P = 0.001). Many taxa were identified with log2 abundance analysis, revealing 110 and 102 species significantly depleted and enriched in UC, respectively. Eleven bacterial species' signatures were identified.
conclusionsIn Saudi Arabian children with UC, we demonstrate a dysbiosis similar to reports from Western populations, possibly related to changes of lifestyle. Microbial signature discovery in this report is an important contribution to research, leading to the development of adjunctive non-invasive diagnostic options in unusual cases of UC.
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