Catalent has launched its next-generation cell line development technology, GPEx Boost. The technology enhances the GPEx expression platform through multiple improvements, including utilization of a glutamine synthase (GS) knock-out Chinese hamster ovary (CHO) cell line. The combination of technology and platform enhancements has resulted in improved ability of cells to produce high titers and increase specific productivities of a protein of interest.   GPEx Boost has been shown to improve tit...