Separate Cancer Studies, but a Single Suspicion of Bacteria - NYTimes.com: "An analysis of these microbial genes showed that a type of bacterium, Fusobacterium, was abundant in the tumors although it normally is not among the more prominent species in the gut. Not only were the bacteria lurking around the cancer cells, but Dr. Holt found in subsequent experiments that they actually were burrowing into tumor cells — “which is kind of creepy,” he said. An ability to invade cells, he said, is often what distinguishes a disease-causing microbe from one that is harmless.
Of course, that doesn’t prove that Fusobacteria are causing tumors. They might just find the cancer cells a good place to live.
As Dr. Holt and his colleagues investigated further, they found the bacteria were especially prevalent in patients whose cancer had spread beyond their colons."
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