A new drug for hepatitis C attacks RNA that allows the virus to hide from the immune system. The drug, miravirsen, targets the body's microRNA-122, preventing viral replication, according to findings published in the New England Journal of Medicine. The treatment could potentially be used in other serious diseases, including cancer. "This is really a revolution in science, and it's now beginning to be translated into advances that control disease," said Phillip Sharp, an MIT molecular biologist who won a 1993 Nobel Prize for research on RNA.
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