Scientists Find a Way to Block HIV from Infecting Healthy Cells

TIME

Reporting in the journal Nature, scientists describe a new way to potentially block HIV from infiltrating healthy cells. Such interference is key to protecting people from HIV infection, but most efforts so far haven’t been successful.

This time, however, may be different. Michael Farzan, professor of infectious diseases at Scripps Research Institute, and his team used a gene therapy technique to introduce a specific HIV disruptor that acted like gum on HIV’s keys. Once stuck on the virus’s surface, the peptide complex prevents HIV from slipping into the molecular locks on healthy cells. Because the gum isn’t picky about which HIV strain it sticks to—as long as it’s HIV—the strategy works against all of the strains Farzan’s group tested in the lab, including both HIV-1 and HIV-2 versions that transmit among people, as well as simian versions that infect monkeys. In lab dishes containing the virus and human and…

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