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This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?

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The pain-relieving effects of drugs like ibuprofen are well known.

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But ibuprofen and its relatives, known as nonsteroidal anti-inflammatory drugs, may someday have another use as antibiotics.

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Researchers tested three anti-inflammatory drugs: bromfenac, used in eye drops, and carprofen and vedaprofen, both for treating conditions like arthritis in dogs.

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The investigators found that all three drugs bind to something called the "DNA clamp" in bacteria.

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That clamp is essential to repairing and replicating DNA.

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By jamming it, the painkillers can actually kill live E. coli in a test tube, at least.

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The findings appear in the journal Chemistry & Biology.

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Study author Aaron Oakley, of Australia's University of Wollongong, says we still need clinical trials to tell if this trick holds true in humans.

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But this study is a first step.

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"I guess it alerts a lot of clinicians to the fact that some of the nonsteroidal anti-inflammatories that they're using may have this off-target effect."

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And it gives drug developers like Oakley and his colleagues, a whole new way to attack antibiotic-resistant bacteria.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Christopher Intagliata.

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