Glycoengineered Antibodies: Towards the Next-Generation of Immunotherapeutics.

08:00 EDT 4th October 2018 | BioPortfolio

Summary of "Glycoengineered Antibodies: Towards the Next-Generation of Immunotherapeutics."

Monoclonal antibodies (mAbs) are currently the largest and fastest growing class of biopharmaceuticals, and they address unmet medical needs e.g., in oncology and in auto-immune diseases. Their clinical efficacy and safety is significantly affected by the structure and composition of their glycosylation profile which is commonly heterogeneous, heavily dependent on the manufacturing process, and thus susceptible to variations in the cell culture conditions. Glycosylation is therefore considered a critical quality attribute (CQA) for mAbs. Commonly, in currently marketed therapeutic mAbs, the glycosylation profile is suboptimal in terms of biological properties such as antibody-dependent cell-mediated cytotoxicity (ADCC) or may give rise to safety concerns due to the presence of non-human glycans.This article will review recent innovative developments in chemo-enzymatic glycoengineering, which allow generating mAbs carrying single, well-defined, uniform Fc glycoforms, which confers the desired biological properties for the target application. This approach offers significant benefits such as enhanced Fc effector functions, improved safety profiles, higher batch-to-batch consistency, decreased risks related to immunogenicity and manufacturing process changes, and the possibility to manufacture mAbs, in an economical manner, in non-mammalian expression systems. Overall, this approach could facilitate and reduce mAb manufacturing costs which in turn would translate into tangible benefits for both patients and manufacturers. The first glycoengineered mAbs are about to enter clinical trials and it is expected that, once glycoengineering reagents are available at affordable costs, and in-line with regulatory requirements, that targeted remodelling of antibody Fc glycosylation will become an integral part in manufacturing the next-generation of immunotherapeutics.


Journal Details

This article was published in the following journal.

Name: Glycobiology
ISSN: 1460-2423


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