An effective method to enhance transient gene expression by transfecting high-density CHO cells. - Fu, Yu-shun; Han, Xue-lian; Li, Wei-dong; Shan, Lin-lin; Geng, Shao-lei; Mi, Chun-liu; Dong, Wei-hua; Wang, Tian-yun; Wang, Xiao-yin (AMB Express, 2026)