ArticleBMC cancer2024
Metagenomic analysis of colonic tissue and stool microbiome in patients with colorectal cancer in a South Asian population.
Article in BMC cancer, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Distinct trajectories of urbanization shape the human gut microbiome across South Asia.Gut microbes · 2026Article
- Distinct trajectories of urbanization shape the human gut microbiome across South Asia.bioRxiv : the preprint server for biology · 2026Article
- Article
- Association analysis of the differences in intestinal flora and clinical tumor indicators among colorectal cancer patients.Frontiers in cellular and infection microbiology · 2026Article
- Gut Microbiota and Metabolic Modulation by Slow-Release Protein Substitutes in Phenylketonuria: Findings from the PREMP Study.Nutrients · 2025Article
- Gut microbiome dysbiosis in hepatocellular carcinoma patients with persistent HCV viremia versus viral clearance: a cross-sectional study.Gut pathogens · 2025Article
- Challenges and Opportunities in Analyzing Cancer-Associated Microbiomes.Cancer research · 2025Review
- Colorectal cancer biofilm composition reveals distinct bacterial species signature.Applied microbiology and biotechnology · 2025Article
- Fecal Microbiota Strongly Correlates with Tissue Microbiota Composition in Colorectal Cancer but Not in Non-Small Cell Lung Cancer.International journal of molecular sciences · 2025Article
- Deciphering the role of host-gut microbiota crosstalk via diverse sources of extracellular vesicles in colorectal cancer.Molecular medicine (Cambridge, Mass.) · 2024Review
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Authors and funding
4 authors.
Funding
Abstract
backgroundThe gut microbiome is thought to play an important role in the development of colorectal cancer (CRC). However, as the gut microbiome varies widely based on diet, we sought to investigate the gut microbiome changes in patients with CRC in a South Asian population.
methodsThe gut microbiome was assessed by 16s metagenomic sequencing targeting the V4 hypervariable region of the bacterial 16S rRNA in stool samples (n = 112) and colonic tissue (n = 36) in 112 individuals. The cohort comprised of individuals with CRC (n = 24), premalignant lesions (n = 10), healthy individuals (n = 50) and in those with diabetes (n = 28).
resultsOverall, the relative abundances of genus Fusobacterium (p < 0.001), Acinetobacter (p < 0.001), Escherichia-Shigella (p < 0.05) were significantly higher in gut tissue, while Romboutsia (p < 0.01) and Prevotella (p < 0.05) were significantly higher in stool samples. Bacteroides and Fusobacterium were the most abundant genera found in stool samples in patients with CRC. Patients with pre-malignant lesions had significantly high abundances of Christensenellaceae, Enterobacteriaceae, Mollicutes and Ruminococcaceae (p < 0.001) compared to patients with CRC, and healthy individuals. Romboutsia was significantly more abundant (p < 0.01) in stool samples in healthy individuals compared to those with CRC and diabetes.
conclusionDespite marked differences in the Sri Lankan diet compared to the typical Western diet, Bacteroides and Fusobacterium species were the most abundant in those with CRC, with Prevotella species, being most abundant in many individuals. We believe these results pave the way for possible dietary interventions for prevention of CRC in the South Asian population.
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