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A microbe which
lives in the soil has been genetically engineered to eat cancer
cells.
Scientists found
the modified bug destroyed tumours but left healthy tissue alone
when injected into mice.
They say the
treatment is promising but admit they don't fully understand how
it works.
The Clostridium
novyi bacteria was used in the treatment known as Cobalt - combination
bacteriolytic therapy.
A team led by
Bert Vogelstein of the John Hopkins School of Medicine in Maryland
carried out the research.
The microbe
was engineered not to produce a particular poison and then injected
into the cancer which began to break up within 24 hours.
The work is
published in the Proceedings of the National Academy of Science.
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