ReviewGut pathogens2025
Gut microbiota and intestinal polyps: a systematic review and meta-analysis based on 16S rRNA gene sequencing.
Review in Gut pathogens, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimColorectal polyps serve as precursors to colorectal cancer and pose a growing public health challenge with their increasing incidence. The potential role of gut microbiota (GM) dysbiosis in colorectal polyp pathogenesis has garnered attention, yet existing evidence remains inconsistent. This study aimed to compare gut microbiota differences between colorectal polyp patients and healthy controls using systematic review and meta-analysis using 16S rRNA sequencing data. MATERIALS AND
methodsFollowing the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, a systematic search was performed across multiple databases (PubMed, Web of Science, Embase, Cochrane Library) up to April 2025. Only studies comparing gut microbiota profiles between colorectal polyp patients and healthy controls were included. Data was independently screened and extracted by two reviewers, and study quality was assessed using the Newcastle-Ottawa Scale. Meta-analyses were conducted with R (version 4.4.1) and Stata (version 18.0), with heterogeneity assessed via the I KEY
findingsSystematic review and meta-analysis were performed by synthesizing 11 independent 16S rRNA-sequenced studies. Our analysis revealed that patients with colorectal polyps exhibited significantly reduced GM diversity, decreased Firmicutes abundance, and increased Fusobacteria abundance. KEGG pathway analysis indicated enrichment of the TCA cycle in polyp patients and more active amino acid metabolism in healthy controls. SIGNIFICANCE: Patients with colorectal polyps have distinct gut microbiota characteristics and specific metabolic shifts. These findings may facilitate the discovery of non-invasive biomarkers, guide personalized prevention strategies, and improve risk stratification for early intervention.
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