We usually associate Salmonella bacteria with a dangerous type of food poisoning, but they actually are pretty good at seeking out tumors. That trait made the bacteria a great candidate to deliver a protein that would help knock tumors out.

Jin Hai Zheng, from Chonnam National University in Korea, and his colleagues, created a weakened, non-infectious form of Salmonella typhimurium bacteria to use as “Trojan horses” into cancerous tumors, according to their research published in Science Translational Medicine.

The bacteria were injected intravenously into mice which had experimentally been… more

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