2022
DOI: 10.1128/mbio.02991-21
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Comparative Analysis of Colon Cancer-Derived Fusobacterium nucleatum Subspecies: Inflammation and Colon Tumorigenesis in Murine Models

Abstract: Colon cancer is a leading cause of cancer morbidity and mortality, and it is hypothesized that dysbiosis in the gut microbiota contributes to colon tumorigenesis. Fusobacterium nucleatum , a member of the oropharyngeal microbiome, is enriched in a subset of human colon tumors. However, it is unclear whether this genetically varied species directly promotes tumor formation, modulates mucosal immune responses, or merely colonizes the tumor microenvironment.

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Cited by 30 publications
(22 citation statements)
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References 62 publications
(89 reference statements)
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“…Also, the species Hungatella hathewayi WAL-18680 is a common cancer-associated biomarker ( Wu et al, 2021 ). Fusobacterium nucleatum is commonly associated with CRC, and found to promote tumor development by inducing several immune responses including inflammation ( Wu J. et al, 2019 ; Queen et al, 2022 ). Rikenellaceae RC9 gut group was suggested as a potential biomarker of CRC from gut microbiota profiles in mice ( Shao et al, 2022 ).…”
Section: Resultsmentioning
confidence: 99%
“…Also, the species Hungatella hathewayi WAL-18680 is a common cancer-associated biomarker ( Wu et al, 2021 ). Fusobacterium nucleatum is commonly associated with CRC, and found to promote tumor development by inducing several immune responses including inflammation ( Wu J. et al, 2019 ; Queen et al, 2022 ). Rikenellaceae RC9 gut group was suggested as a potential biomarker of CRC from gut microbiota profiles in mice ( Shao et al, 2022 ).…”
Section: Resultsmentioning
confidence: 99%
“…Combined, P. gingivalis and F. nucleatum promote tumour progression in mice [33]. It should however be noted that mice may not provide a good model for bacteria-mediated tumour initiation, illustrated by difficulties in achieving stable colonisation of mouse gastrointestinal tract by fusobacteria harvested from human colon cancers, with low in-vivo inflammation compared to higher cytokine production in human colon cancer cell lines [35]. In addition, F. nucleatum is now recognized to be comprised of four distinct subspecies and to be highly genetically variable.…”
Section: The Microbiota and Hn-scc: Cause Or Effect?mentioning
confidence: 99%
“…To determine whether Fn can induce the transition from normal mucosa to adenoma, we need to assess the ability of Fn to colonize the gut. Fn can’t stably colonize the gut of specific-pathogen-free (SPF) mice raised conventionally, even with repeated inoculations ( Queen et al., 2022 ). However, Fn is able to colonize the gut of germ-free (GF) mice for a long time after oral administration.…”
Section: Ability Of Fn To Colonize Normal Gutmentioning
confidence: 99%