Clear links found between inflammation, bacterial communities and cancer

In a study with inflammation-prone mice, researchers have found a mechanism for the development of colorectal cancer wherein inflammation fosters a change in the gut microbiome including reduced bacterial diversity but also the increased presence of E. coli and related pathogens. Further mouse studies show genes carried by an E. coli variant can cause cancer development. The suspect bacterial genes are found in a high percentage of human colorectal cancer patients.

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