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2003 JUN 11 - (NewsRx.com & NewsRx.net) -- Liposome entrapment of multiple antigenic peptide bearing VP1 and VP3 domains of the hepatitis A virus is a robust method for vaccine design.
"Multiple antigen peptides (MAP) have been demonstrated to be efficient immunological reagents for the induction of immune responses to a variety of infectious agents. Several peptide domains of the hepatitis A virus (HAV) capsid proteins, mainly VP1 and VP3, are the immunodominant targets for a protective antibody response. In the present study we analyzed the immunogenic properties of a tetrameric heterogeneous palmitoyl-derivatized MAP containing two defined HAV peptide sequences, VP1[subscript]11-25, and VP3[subscript]102-121, in rabbits immunized with either Freund's adjuvant or multilamellar liposomes," scientists in Spain and England report.
"The immune response was evaluated with a specific enzyme immunoassay using MAP[VP1+VP3], VP1, and VP3 as targets," stated Isabel Haro and collaborators at the CSIC and IDIBAPS in Spain and the University of Nottingham in UK. "The avidity of the immune response was measured by a noncompetitive enzyme-linked ...
Source: HighBeam Research, Liposome entrapment of hepatitis A virus peptides produces effective...