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Japanese Frog Bacteria Shows Promise Against Colorectal Cancer

12/18/2025

Summary

Story summary

Japan Advanced Institute of Science and Technology (JAIST) researchers found that Ewingella americana from Japanese tree frogs' intestines shows strong tumor-killing effects.
In studies, this bacterium outperformed standard therapies and eliminated colorectal cancer tumors in mice.
The research isolated 45 strains and identified nine with anti-tumor effects, with this bacterium showing most promise.
Future work will test efficacy against other cancers and assess its potential as a complementary therapy.

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Story summary

Japan Advanced Institute of Science and Technology (JAIST) researchers found that Ewingella americana from Japanese tree frogs' intestines shows strong tumor-killing effects.
In studies, this bacterium outperformed standard therapies and eliminated colorectal cancer tumors in mice.
The research isolated 45 strains and identified nine with anti-tumor effects, with this bacterium showing most promise.
Future work will test efficacy against other cancers and assess its potential as a complementary therapy.