Gut microbiota were assessed in 540 colonoscopy-screened adults by 16S rRNA gene sequencing of stool samples. Investigators compared gut microbiota diversity, overall composition, and normalized taxon abundance among these groups.
Colorectal cancer is a heterogeneous disease arising from at least two precursors-the conventional adenoma (CA) and the serrated polyp. A relationship between the human gut microbiota and colorectal cancer has been shown; however, its relationship to the different early precursors of colorectal cancer is understudied. This study tested, for the first time, the relationship of the gut microbiota to specific colorectal polyp types.
Study Type
OBSERVATIONAL
Enrollment
540
16S rRNA amplicons covering variable regions V3 to V4 were generated using primers (347F-5'GGAGGCAGCAGTRRGGAAT'-3' and 803R 5'-CTACCRGGGTATCTAATCC-3') incorporating Roche 454 FLX Titanium adapters (Branford, CT) and a sample barcode sequence
New York University School of Medicine
New York, New York, United States
Prevalence and relative abundance of selected fecal microbial taxa
Quantitative polymerase chain reaction
Time frame: 2 Days
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