Bispecific antibody platform

Bispecific antibody platform

Provided herein are solutions to the heavy and light chain mispairing problems in bispecific antibodies. One part of the solution involves Fc regions that are engineered in their CH3 domains by lysine repositioning to drive heterodimerization of the two heavy chains of the bispecific antibody. The s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Preyer, Martin
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PEPTIDES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:Provided herein are solutions to the heavy and light chain mispairing problems in bispecific antibodies. One part of the solution involves Fc regions that are engineered in their CH3 domains by lysine repositioning to drive heterodimerization of the two heavy chains of the bispecific antibody. The second part of the solution involves a modification of one of the two Fab arms of the bispecific antibody so as to prevent mispairing of light chains in the bispecific antibody. Specifically, the CH1 and CL domains of one of the Fab arms of the bispecific antibody are substituted with an IgE CH2 domain or an IgM CH2 domain.