Hiv envelope polypeptides

C - Chemistry – Metallurgy – 12 – N

Patent

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C12N 15/49 (2006.01) A61K 39/21 (2006.01) C07K 14/155 (2006.01) C07K 14/16 (2006.01) C07K 16/10 (2006.01) C12N 15/79 (2006.01) G01N 33/569 (2006.01) A61K 39/00 (2006.01)

Patent

CA 2164505

A method for the rational design and preparation of vaccines based on HIV envelope polypeptides is described. In one embodiment, the method for mak- ing an HIV gp120 subunit vaccine for a geographic region comprises determining neutralizing epitopes in the V2 and/or C4 domains of gp120 of HIV as depicted in the figure. In a preferred embodiment of the method, neutralizing epitopes for the V2, V3 and C4 domains of gp120 are determined. Also described are DNA se- quences encoding gp120 from preferred vaccine strains of HIV.

Procédé de conception et de préparation rationnelles de vaccins à base de polypeptides d'enveloppe du VIH. Dans un mode de réalisation, le procédé de production d'un vaccin à sous-unité gp120 du VIH pour une région géographique consiste à déterminer des épitopes neutralisants dans les domaines V2 et/ou C4 de la gp120 du VIH, illustrés par la figure. Dans un mode de réalisation préférée du procédé, les épitopes neutralisants des domaines V2, V3 et V4 de gp120 sont déterminés. L'invention concerne également des séquences d'ADN codant la gp120 à partir de souches de vaccins préférées du VIH.

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