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Fusobacterium nucleatum

Epidemiology: - present in the human oral cavity - rarely found in the lower gastrointestinal tract of healthy individual [3] Pathology: - may play a role in colorectal carcinoma - enriched in human colorectal cancer tumors [3] - stimulates growth of colorectal carcinoma cells - high tumor Fusobacterium nucleatum loads are associated with recurrence, metastases & poor prognosis [3] - tumor isolated strains are from the clade Fusobacterium nucleatum animalis C2 - Fusobacterium nucleatum animalis C2 contains a unique adhesion antigen (FadA) on its surface that binds to cell surface E-cadherin, activating beta-catenin signaling & stimulating both inflammation & carcinogenesis - FadA gene levels in the colon tissue from patients with colorectal adenomas & colorectal adenocarcinomas are > 10-100 times higher than in controls Management: - an 11 amino acid inhibitory peptide abolishes FadA-E-cadherin binding & both inflammatory & carcinogenic properties [1]

Related

adenocarcinoma of the colon &/or rectum

General

Fusobacterium

Properties

KINGDOM: monera DIVISION: SCHIZOMYCETES

References

  1. Rubinstein MR et al. Fusobacterium nucleatum promotes colorectal carcinogenesis by modulating E-cadherin/beta-catenin signaling via its FadA adhesin. Cell Host Microbe 2013 Aug 14; 14:195. PMID: 23954158 - Kostic AD et al. Fusobacterium nucleatum potentiates intestinal tumorigenesis and modulates the tumor-immune microenvironment. Cell Host Microbe 2013 Aug 14; 14:207. PMID: 23954159
  2. Kostic AD et al. Genomic analysis identifies association of Fusobacterium with colorectal carcinoma. Genome Res. 2012 Feb;22(2):292-8. PMID: 22009990 http://genome.cshlp.org/content/early/2011/10/04/gr.126573.111 - Castellarin M et al. Fusobacterium nucleatum infection is prevalent in human colorectal carcinoma. Genome Res. 2012 Feb;22(2):299-306 PMID: 22009989 http://genome.cshlp.org/content/early/2011/10/05/gr.126516.111 - Rubinstein MR et al. Fusobacterium nucleatum promotes colorectal carcinogenesis by modulating E-cadherin/beta-catenin signaling via its FadA adhesin. Cell Host Microbe 2013 Aug 14; 14:195. PMID: 23954158 - Kostic AD et al. Fusobacterium nucleatum potentiates intestinal tumorigenesis and modulates the tumor-immune microenvironment. Cell Host Microbe 2013 Aug 14; 14:207. PMID: 23954159
  3. Zepeda-Rivera M, Minot SS, Bouzek H et al. A distinct Fusobacterium nucleatum clade dominates the colorectal cancer niche. Nature 2024 Apr 11; 628:424 PMID: 38509359 PMCID: PMC11006615 Free PMC article. https://www.nature.com/articles/s41586-024-07182-w