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April 11, 2010

New Therapy Shows Potential as an Anti-HIV Medication

"Peregrine’s experimental agent works by blocking phosphatidylserine (PS), a molecule normally found on the inside of cell membranes but can become exposed on the outside of the membranes of viruses and virally infected cells. Exposed PS, researchers believe, enables viruses such as HIV to evade immune recognition and dampens the body’s normal response to infection.

"In previous experiments, researchers found that an anti-PS antibody called bavituximab had antiviral activity against a number of viruses as well as anti-cancer properties. That drug is in Phase I and II studies for HIV, hepatitis C virus (HCV) and several types of cancer."

Read more:, April 9, 2010.