mechanistic
Analysis v1
Strong Support
The bacterium Fusobacterium nucleatum is linked to reduced effectiveness of chemotherapy drugs like 5-fluorouracil and oxaliplatin in a subtype of colorectal cancer, due to its activation of specific cellular signaling pathways that promote autophagy and inhibit cell death.
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0
Evidence from Studies
Supporting (1)
2
Community contributions welcome
2
Microbiome-Genome Crosstalk in Colorectal Cancer: Colibactin Signatures and Fusobacterium nucleatum in Epidemiology, Driver Selection, and Translation.
Narrative Review
Human & Animal & In Vitro
2026 Feb 23This study found that a gut bacteria called Fusobacterium nucleatum can make chemotherapy less effective in some colon cancers, which matches the claim. It doesn’t explain exactly how, but it confirms the bacteria is linked to weaker treatment results.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.