A method for generating genetically altered antigens

C - Chemistry – Metallurgy – 12 – P

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C12P 21/02 (2006.01) C07K 14/47 (2006.01) C12N 5/02 (2006.01) C12N 5/10 (2006.01) C12N 15/09 (2006.01) C12N 15/67 (2006.01) C12N 15/85 (2006.01) C12Q 1/02 (2006.01) C12Q 1/04 (2006.01) A61K 39/00 (2006.01)

Patent

CA 2429134

Dominant negative alleles of human mismatch repair genes can be used to generate hypermutable cells and organisms. By introducing these genes into cells and transgenic animals, new cell lines animal varieties with novel and useful properties can be prepared more efficiently than by relying on the natural rate of mutation. These methods are useful for generating genetic diversity within genes encoding for therapeutic antigens to produce altered polypeptides with enhanced antigenic and immunogenic activity. Moreover, these methods are useful for generating effective vaccines.

Des allèles négatifs dominants humains de gènes de réparation des appariements peuvent être utilisés pour produire des organismes et des cellules hypermutables. L'introduction de ces gènes dans des cellules et dans des animaux transgéniques permet une élaboration plus efficace qu'avec le taux naturel de mutation de nouvelles lignes cellulaires et de variétés d'animaux présentant des propriétés nouvelles et utiles. Ces méthodes sont utiles à l'élaboration d'une diversité génétique dans des gènes codant pour des antigènes thérapeutiques pour produire des polypeptides modifiés présentant une activité immunogène et antigène améliorée. En outre, ces méthodes permettent de produire des vaccins efficaces.

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