SciTechDaily May 14, 2026 • 21:04

Researchers Solve 15-Year Mystery Behind Cancer-Causing Gut Toxin - SciTechDaily

A new study reveals the hidden mechanism a common gut bacterium uses to damage the colon, solving a mystery that has puzzled scientists for years.

Researchers discovered that the Bacteroides fragilis toxin relies on the receptor claudin-4 to damage colon cells. A decoy version of the receptor prevented toxin-related injury in mouse studies. Cre… [+5760 chars]

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Researchers Solve 15-Year Mystery Behind Cancer-Causing Gut Toxin - SciTechDaily

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