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FectoCHO® CD Expression medium, along with FectoPRO®, a highly efficient transfection reagent, is optimized for transient transfection and protein expression. This combination yields remarkable protein production in various CHO cells, including CHO-S and CHO-K1 cells.

The FectoCHO® Expression system is particularly well-suited for high-density cells, such as ExpiCHO™-S cells. FectoCHO® CD medium can sustain growth and viability at very high cell density for up to 10 days while ensuring a higher transfection efficiency with FectoPRO®, resulting in very high protein yields in ExpiCHO™-S cells. The FectoCHO® CD Expression medium enables CHO cells to reach high cell density while maintaining excellent viability with a short doubling time. This medium has been specifically developed to allow quick cell adaptation, irrespective of the CHO cell type used.

The FectoCHO® expression system is a three-component kit optimized to work together: FectoCHO® CD Expression Medium, FectoPRO® Transfection Reagent, and FectoPRO® Expression Booster. The above components are chemically defined, making them convenient for biomanufacturing processes.