Novel co-stimulatory molecules

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/12 (2006.01) A61K 31/7088 (2006.01) A61K 38/17 (2006.01) C07H 21/00 (2006.01) C07K 14/47 (2006.01) C07K 14/705 (2006.01) C12N 5/10 (2006.01) C12N 15/63 (2006.01)

Patent

CA 2411828

The invention provides polynucleotides and polypeptides encoded therefrom having advantageous properties, including an ability of the polypeptides to preferentially bind a CD28 or CTLA-4 receptor at a level greater or less than the ability of human B7-1 to bind CD28 or CTLA-4, or to induce or inhibit altered level of T cell proliferation response greater compared to that generated by human B7-1. The polypeptides and polynucleotides of the invention are useful in therapeutic and prophylactic treatment methods, gene therapy applications, and vaccines.

Cette invention se rapporte à des polynucléotides et à des polypeptides codés par ces polynucléotides, lesquels ont des propriétés avantageuses, telles que la capacité des polypeptides à se lier de préférence à un récepteur de CD28 ou de CTLA-4 à un niveau supérieur ou inférieur à la capacité de la molécule B7-1 humaine de se lier à CD28 ou CTLA-4, ou de provoquer ou d'empêcher un niveau modifié de réponse de prolifération des lymphocytes T plus grand par rapport à celui produit par la molécule B7-1 humaine. Les polypeptides et polynucléotides de cette invention sont utiles dans des procédés de traitement thérapeutique et prophylactique, dans des applications de thérapie génique et dans des vaccins.

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