Hybrid antibodies

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 16/46 (2006.01) A61K 39/395 (2006.01) C07K 1/00 (2006.01) C07K 16/00 (2006.01)

Patent

CA 2468744

Hybrid antibodies and/or hybrid antibody fragments and methods of making them are provided. In one embodiment the hybrid antibodies and/or hybrid antibody fragments contain heavy and/or light variable regions that contain two or more framework regions derived from at least two antibodies. In another embodiment, at least two of the framework regions are classified in the same germline gene family. In one embodiment, at least two framework regions are classified in the same germline gene family member. The hybrid antibodies or hybrid antibody fragments may contain human framework regions and nonhuman CDRs.

L'invention concerne des anticorps hybrides et/ou des fragments d'anticorps hybrides, ainsi que des procédés de production associés. Dans un mode de réalisation, les anticorps hybrides et/ou les fragments d'anticorps hybrides renferment des régions variables lourdes et/ou légères qui contiennent au moins une région cadre dérivée d'au moins deux anticorps. Dans un autre mode de réalisation, au moins deux régions cadres sont classées dans la même famille de gènes souches. Dans un mode de réalisation, au moins deux régions cadres sont classées dans le même élément de famille de gènes souches. Les anticorps hybrides ou les fragments d'anticorps hybrides peuvent contenir des régions cadres humaines et des régions non humaines déterminant la complémentarité.

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