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Fecal immunochemical tests from population-based colorectal cancer screening programs support prospective microbiome cohorts
Abstract Large, prospective cohorts are needed to research the gut microbiome’s role in colorectal cancer (CRC) risk. We evaluated the gut microbiome leveraging residual fecal immunochemical tests (FIT) from a CRC screening program in Turin, Italy, and conducted one of the largest population-based case-control studies across the adenoma-carcinoma sequence to date.
Pooled analysis of 3,741 stool metagenomes from 18 cohorts for cross-stage and strain-level reproducible microbial biomarkers of colorectal cancer - Nature Medicine
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Abstract Associations between the gut microbiome and colorectal cancer (CRC) have been uncovered, but larger and more diverse studies are needed to assess their potential clinical use. We expanded upon 12 metagenomic datasets of patients with CRC (n = 930), adenomas (n = 210) and healthy control individuals (n = 976; total n = 2,116) with 6 new cohorts (n = 1,625) providing granular information on cancer stage and the anatomic location of tumors.
By Gianmarco Piccinno, Kelsey Thompson Verified, Paolo Manghi, Andrew Thomas, Aitor Blanco-Míguez, Francesco Asnicar, Katarina Mladenovic, Federica Pinto, Elisa Piperni, Vitor Heidrich, Giulio Ferrero, Long Nguyen, Long Nguyễn, Barbara Pardini, Francesca Cordero, Andrew Chan, Laurence Zitvogel, Curtis Huttenhower, Alessio Naccarati
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Nature
Verified
Exploring the gut DNA virome in fecal immunochemical test stool samples reveals associations with lifestyle in a large population-based study - Nature Communications
Abstract Stool samples for fecal immunochemical tests (FIT) are collected in large numbers worldwide as part of colorectal cancer screening programs. Employing FIT samples from 1034 CRCbiome participants, recruited from a Norwegian colorectal cancer screening study, we identify, annotate and characterize more than 18000 DNA viruses, using shotgun metagenome sequencing. Only six percent of them are assigned to a known taxonomic family, with Microviridae being the most prevalent viral family.
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