Dr. Bray Links

Saturday, December 16, 2017

Analysis of Fusobacterium persistence and antibiotic response in colorectal cancer | Science

The bacterial species Fusobacterium nucleatum is associated with a subset of human colorectal cancers, but its role in tumorigenesis is unclear. Studying patient samples, Bullman et al. found that F. nucleatum and certain co-occurring bacteria were present not only in primary tumors but also in distant metastases. Preliminary evidence suggests that the bacterium is localized primarily within the metastatic cancer cells rather than in the stroma. Antibiotic treatment of mice carrying xenografts of F. nucleatum–positive human colorectal cancer slowed tumor growth, consistent with a causal role for the bacterium in tumor genesis. 


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