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HIV Vaccines

Antibody-Based Therapies Target Cell Interaction

Published in AIDS Weekly, February 21st, 2000

Insights into HIV-1/target cell interaction facilitate development of antibody-based therapeutic strategies, reported researchers from the United States.

"The push for an effective AIDS vaccine has been hampered, in part, by the inability to elicit a potent neutralizing antibody response against genetically diverse HIV-1 isolates," said K. Salzwedel and colleagues from the U.S. National Institutes of Health, Maryland. "Two human monoclonal antibodies (mAbs), 17b and 48d, have been described that bind a conserved region of gp120, overlapping the coreceptor-binding site, that becomes more exposed upon binding of Env to CD4. However, these mAbs neutralize virus only...

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