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Epitope mimic for human HIV-neutralizing antibody 2G12 synthesized.

Vaccine Weekly

| May 05, 2004 | COPYRIGHT 2004 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

2004 MAY 5 - (NewsRx.com & NewsRx.net) -- Scientists have synthesized a template-assembled oligomannose cluster as an epitope mimic for human HIV-neutralizing antibody 2G12.

According to published research from the United States, "The synthesis and antibody-binding affinity of a novel template-assembled oligomannose cluster as an epitope mimic for human anti-HIV antibody 2G12 are described. Cholic acid was chosen as the scaffold and three high-mannose type oligosaccharide (Man[subscript]9GlcNAc[subscript]2Asn) moieties were selectively attached at the 3alpha, 7alpha, and 12alpha-positions of the scaffold through a series of regioselective transformations.

"Binding studies revealed that the synthetic oligosaccharide cluster is 46-fold more effective than the subunit Man[subscript]9GlcNAc[subscript]2Asn in inhibiting 2G12-binding to immobilized gp120," reported Hengguang Li and Lai-Xi Wang at the University of Maryland. "The scaffold approach described in this paper provides an avenue to designing more effective epitope ...

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Source: HighBeam Research, Epitope mimic for human HIV-neutralizing antibody 2G12 synthesized.

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