Application Note

Capture Of Bispecific Antibodies And Removal Of Product-Related Impurities

Source: Cytiva
cleanroom microscope lab iStock-1294339614

The biotherapeutics pipeline is becoming increasingly diverse as antibody variants move through preclinical stages to commercial manufacturing. Many of these variants, especially asymmetric bispecific antibodies, are prone to aggregation or to forming product-related impurities such as homodimers and half antibodies during cell culture. The similarities between these impurities present extra challenges for downstream processes. One potential solution is to initiate polishing at the capture step using differences in avidity. Explore the application of a resin with novel selectivity to purify challenging entities.

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