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HIV/AIDS Therapy

Anti-NeoR6 resistance mutations suggest anti-HIV mechanisms

Published in AIDS Weekly, April 26th, 2004

The identification of HIV mutations conferring resistance to NeoR6 has provided clues to its antiretroviral mechanisms.

"Aminoglycoside-arginine conjugates (AACs) inhibit HIV-1 replication and act as Tat antagonists," scientists in Israel explained. "AACs compete with monoclonal antibody binding to CXCR4" and with "SDF-1alpha and HIV-1 gp120 cellular uptake, indicating that they interfere with initial steps of HIV-1 infection."

G. Borkow and colleagues working at the Weizmann Institute of Science in Rehovot described "the selection of HIV-1 isolates resistant to hexa-arginine neomycin B conjugate (NeoR6), the most potent anti-HIV-1 AAC."

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