Modified polypeptides for enhanced immunogenicity

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...

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4241841, 4241921, 4242651, 4242691, 4242721, 435 691, 435 711, 435 697, 435 712, A61K 3900, A61K 39002, A61K 39015, C12P 2106

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061139173

ABSTRACT:
A recombinant polypeptide comprising a polypeptide which has added thereto a glycoxyl-phosphatidylinositol anchor structure, said polypeptide demonstrating a greater immune response than the corresponding polypeptide without the anchor. The polypeptide may be a parasite antigen such as a Plasmodium falciparum polypeptide. Recombinant vectors comprising the DNA sequence encoding the polypeptide with a glycolipid anchor addition sequence and host cells based thereon are also disclosed as well as vaccines and methods of inducing an immune response based on the polypeptides.

REFERENCES:
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Reymond, et al., "Anchoring of an Immunogenic Plasmodium falciparum Circumsporozoite Protein on the Surface of Dictyostelium discoideum", The Journal of Chemistry, vol. 270, No. 21, May 26, 1995, pp. 12941-12947.
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