Precision DNA Impurity Reduction Approaches for Ultra-Pure rAAV Manufacturing
Jingluan Han, Huan Chen, Xinping Tan, Zhiyong Dai, Ye Bu, Huapeng Li
The paper evaluates DNA impurity reduction strategies in rAAV manufacturing, finding that TelN/TelROL and I-SceI reduce plasmid backbone DNA to 20-40%, CRISPR/Cas9 to 10-20%, and Cre/LoxP eliminates it without affecting vector titers.
bioRxiv · Apr 7, 2026 · PreprintMolecular Biology