Like the drug Fuzeon, VIRIP inhibits the HIV surface protein gp41, which HIV uses to infect human cells. VIRIP could be used to inhibit HIV cell entry earlier than Fuzeon, which inhibits gp41 at a later stage, said Warner Greene, MD, PhD, director of the Gladstone Institute of Virology and Immunology in San Francisco. As a peptide, though, VIRIP wo...

Researchers Find Protein That Blocks HIV