As a critical quality attribute, glycosylation represents an important consideration when analyzing the success of a glycoprotein production process. Though critical, glycosylation is not the only measure of culture success; other factors, including culture size, maintenance, and productivity, are also critical. A new metric was developed to address both product quality, as measured through glycosylation, and product quantity, as measured through product concentration. A monoclonal antibody Chinese hamster ovary cell culture model system was used to assess this metric across various media formulations. In a model test system, the metric discriminated that some media supplements had a net positive impact on productivity and glycosylation, while others had a net negative impact on productivity and glycosylation.
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