Hiv vaccine based on targeting maximized gag and nef to...

A - Human Necessities – 61 – K

Patent

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Details

A61K 39/12 (2006.01) A61K 39/395 (2006.01)

Patent

CA 2730742

The present invention includes compositions and methods for making and using a vaccine that includes a DC-specific antibody or fragment thereof to which an engineered Gag antigen is attached to form an antibody-antigen complex, wherein the Gag antigen is less susceptible to proteolytic degradation by eliminating one or more proteolytic sites or a DC-specific antibody or fragment thereof to which an engineered Nef antigen is attached to form an antibody-antigen complex, wherein the Nef antigen comprises one or more codon usage optimization that increase antibody- antigen complex secretion, or both, wherein the vaccine is able to elicit an HIV-specific T cell immune response to Gag p17, Gag p24, Nef and/or Cy clin D1.

L'invention concerne des compositions et des procédés pour fabriquer et utiliser un vaccin qui comprend un anticorps spécifique à des cellules dendritiques, ou un fragment de celui-ci, auquel un antigène Gag d'ingénierie est fixé pour former un complexe anticorps-antigène, l'antigène étant moins susceptible d'une dégradation protéolytique par élimination d'un ou plusieurs sites protéolytiques, ou un anticorps ou fragment spécifique à des cellules dendritiques de celui-ci auquel un antigène Nef d'ingénierie est fixé pour former un complexe anticorps-antigène, dans lequel l'antigène Nef comprend un ou plusieurs optimisations d'utilisation de codons qui augmentent une sécrétion de complexe anticorps-antigène, ou les deux, le vaccin étant capable de provoquer une réponse immunitaire de lymphocytes T spécifique au VIH à Gag p17, Gag p24, Nef et/ou Cy clin D1.

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