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Peptide vaccine immunogenicity predicted by molecular dynamics simulation.

Vaccine Weekly

| July 09, 2003 | COPYRIGHT 2003 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

2003 JUL 9 - (NewsRx.com & NewsRx.net) -- The immunogenicity of peptide vaccine candidates could be predicted by molecular dynamics simulations.

According to a study from the Netherlands, "We present an in silico, structure-based approach for design and evaluation of conformationally restricted peptide-vaccines. In particular, we designed four cyclic peptides of ten or 11 residues mimicking the crystallographically observed beta-turn conformation of a predicted immunodominant loop of PorA from Neisseria meningitidis."

"Conformational correctness and stability of the peptide designs, as evaluated by molecular dynamics simulations, correctly predicted the immunogenicity of the peptides," reported Clasien J. Oomen and colleagues at Utrecht University and the Netherlands Vaccine Institute. "We observed a peptide-induced functional antibody response that, remarkably, exceeded the response induced by the native protein in outer membrane vesicles, without losing specificity for related strains."

"The presented approach offers tools for a priori design and ...

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Source: HighBeam Research, Peptide vaccine immunogenicity predicted by molecular dynamics...

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