Vaccines comprising synthetic genes

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/49 (2006.01) A61K 31/70 (2006.01) A61K 48/00 (2006.01) C07K 14/16 (2006.01) C12N 15/57 (2006.01) C12N 15/58 (2006.01) C12N 15/62 (2006.01) C12N 15/67 (2006.01)

Patent

CA 2258568

Synthetic polynucleotides comprising a DNA sequence encoding a peptide or protein are provided. The DNA sequence of the synthetic polynucleotides comprise codons optimized for expression for expression in a nonhomologous host. The invention is exemplified by synthetic DNA molecules encoding HIV env as well as modifications of HIV env. The codons of the synthetic molecules include the projected host cell's preferred codons. The synthetic molecules provide preferred forms of foreign genetic material. The synthetic molecules may be used as a polynucleotide vaccine which provides immunoprophylaxis against HIV infection through neutralizing antibody and cell-mediated immunity. This invention provides polynucleotides which, when directly introduced into a vertebrate in vivo, including mammals such as primates and humans, induces the expression of encoded proteins within the animal.

L'invention concerne des polynucléotides de synthèse comprenant une séquence d'ADN codant un peptide ou une protéine. La séquence d'ADN des polypeptides de synthèse comprend des codons optimisés pour une expression chez un hôte non homologue. L'invention est illustrées par des molécules d'ADN de synthèse codant env du VIH ainsi que des modifications d'env du VIH. Les codons des molécules de synthèse comprennent les codons préférés des cellules hôtes prévues. Les molécules de synthèse fournissent des formes préférées de matériel génétique étranger. On peut utiliser les molécules de synthèse en tant que vaccins polynucléotidiques procurant une immunoprophylaxie contre une infection à VIH par un anticorps neutralisant et une immunité à médiation cellulaire. Cette invention présente des polynucléotides qui, lorsqu'ils sont introduits directement dans un vertébré in vivo, notamment des mammifères primates et des sujets humains, induisent l'expression de protéines codées chez l'animal.

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