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6 - Generation and Screening of the Synthetic Human Combinatorial Antibody Library HuCAL GOLD

from PART II - GENERATION AND SCREENING OF ANTIBODY LIBRARIES

Published online by Cambridge University Press:  15 December 2009

By
Ingo M. Klagge
Edited by
Melvyn Little
Melvyn Little
Affiliation:
Affimed Therapeutics AG
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Summary

Nowadays, monoclonal antibodies are the fastest growing class of biopharmaceuticals. By the end of 2007, the U.S. Food and Drug Administration (FDA) had approved 21 therapeutic antibodies. Since 1975, with the seminal work of Köhler and Milstein (Köhler & Milstein,1975) describing the use of hybridoma technology for monoclonal antibody generation, major advances in the field allowed for the development of antibody libraries using recombinant technologies (reviewed by Hoogenboom, 2005, and Sergeeva et al., 2006). Various display technologies and the integration of automated screening methods now enable researchers to quickly identify multiple target specific antibodies for later development as biopharmaceuticals.

This chapter will look at MorphoSys's latest fully human antibody library, the Human Combinatorial Antibody Library HuCAL GOLD based on phage display of Fab antibody fragments. Besides a comprehensive introduction of the design and generation of the library, the chapter will describe the HuCAL-specific CysDisplay technology, explore the use of MorphoSys's proprietary AgX technology, and give some examples on the use of HuCAL-based antibody optimization by using standard affinity maturation approaches or the recently developed RapMAT technology.

HuCAL CONCEPT

The HuCAL technology is a unique and innovative concept for the in vitro generation of highly diverse fully human antibodies. The structural basis for the HuCAL libraries is provided by seven heavy chain and seven light chain variable region genes (Knappik et al., 2000).

Type
Chapter
Information
Recombinant Antibodies for Immunotherapy , pp. 75 - 86
Publisher: Cambridge University Press
Print publication year: 2009

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References

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