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May 8, 2026Communications BiologyOpen Access

Comprehensive genome editing and signaling pathway engineering evolve potent and safe adenoviral producer cell

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Authors

ZDZhe DengJZJia ZhaoHGHan Guang-ze

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Overview

Randomized trial reveals how genome editing enhances adenovirus production in engineered cells, suggesting a path for safer therapies.

Key Points

  • The goal is to improve adenovirus production in engineered producer cells while ensuring safety against replication-competent adenoviruses.
  • Combined CRISPR-Cas9-based genome editing and sgRNA library to modulate gene expression in HEK293 cells.
  • Directed evolution in a serum-free bioreactor to select the adaptive clone MC09.
  • Triple knockdown of H6PD, Lamin A/C, and caspase-3 to investigate the effect on adenoviral yield.
  • MC09 cells produced 3 to 7 times higher yields of subgroup B/C adenoviruses.
  • Combination knockdown decreased adenoviral yield, while overexpression of the knocked-down genes increased production.
  • MC09 cells showed negligible production of replication-competent adenovirus, enhancing safety.

Cite This Study

Deng et al. (2026) studied this question.

synapsesocial.com/papers/69fd7e42bfa21ec5bbf0667fhttps://doi.org/10.1038/s42003-026-10101-6
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