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TrueSite TI™ Targeted Integration Cell Line Development for High Protein Expression
Tao Sun, Xin Zhou, Ding Huang, He Huang, Fei Chen, Xiaoyue Chen, Hang Zhou
Cell Line Development Department, WuXi Biologics

Typically, cell line development (CLD) relies on random integration and transposon-based integration, and both require intensive labor and can lead to exotic genes’ instability. Targeted integration (TI) allows for precise transgene insertion into the CHO host genome, resulting in recombinant cell lines with predictable transgene copies, genome location, and ultimately more predictable productivity with cell line stability.

 

WuXi Biologics’ TrueSite TI is a next-generation TI system delivering high product quality and clone productivity exceeding 8 g/L under platform fed-batch processes.With strong consistency between pool- and clone-derived materials, it enables non-GMP production without stability concerns, reducing CMC timelines to 6 months or less. TrueSite TI accelerates best-in-class molecules into clinical development efficiently and reliably.

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