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|Title:||Oral and parenteral immunization with synthetic retro-inverso peptides induce antibodies that cross-react with native peptides and parent antigens|
|Keywords:||Retro-inverso peptides;Immunogenicity;Cross-reactivity;Oral immunization;Synthetic vaccines|
|Abstract:||The objective of this study was to determine whether certain retro-inverso peptides have the potential to act as synthetic vaccines in mice, when immunized by injection or orally. Immunization of mice parenterally with conjugates of three such retro-inverso peptides and orally with the unconjugated peptides elicited generally high titres of anti-peptide antibodies. Antibodies against the same three peptides cross-reacted by binding strongly in ELISA to the native peptides and vice versa, regardless of the mode of immunization. Antibodies against a retro-inverso diphtheria peptide also reacted strongly with diphtheria toxin. Seven of 8 mice, immunized by injection of the conjugate of a retro-inverso derivative of robustoxin [a lethal spider (Atrax robustus) venom toxin] were protected from challenge involving injection with twice the minimum lethal dose of A. robustus venom containing the toxin.|
|Appears in Collections:||IJBB Vol.44(3) [June 2007]|
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|IJBB 44(3) (2007) 140-144.pdf||192.68 kB||Adobe PDF||View/Open|
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