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Challenges and Strategies for the Downstream Processing of BiSpecific Antibodies (BsAbs)

Baeuerle and Raum present an extensive review of BsAbs in their article. [2] BsAbs are most commonly used for cancer immunotherapy where they are targeted to simultaneously bind to a cytotoxic cell as well as a target tumor cell to be destroyed. Targeting two antigens simultaneously can be a promising approach. This paper will include a review of the challenges associated with the manufacturing of BsAbs in mammalian cell cultures, and the strategies that can be implemented to overcome treatment challenges.