Virus versus virus

Harmless delivery treats hepatitis B

By Patrick Barry, 12:53 PM June 11, 2008

SAN FRANCISCO — By fine-tuning the genetic code in a snippet of RNA, researchers thwarted the hepatitis B virus in mice without causing apparent toxicity.

When delivered into the liver by a different, harmless virus, the customized RNA blocked more than 95 percent of the production of an enzyme that the hepatitis B virus needs to replicate. The treatment effectively halted the proliferation of the disease-causing virus, according to an unpublished study presented June 10 in ...

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