ArticleMolecular therapy. Advances2026
AAV vector production in suspension cells using PEI transfection and sodium butyrate with orthogonal assessment of function and quality.
Article in Molecular therapy. Advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Adeno-associated virus (AAV) vectors are widely used in gene therapy, yet academic in-house production remains dominated by labor-intensive adherent cell workflows with limited scalability. Here, we describe an AAV vector production platform using suspension cells in orbital shaking Erlenmeyer flasks, based on polyethyleneimine (PEI) transfection and sodium butyrate supplementation. Following systematic evaluation of transfection conditions, this approach yields vectors with performance comparable to a commercial production kit. Vector quality was interrogated using orthogonal methodologies, including two-dimensional ddPCR, mass photometry, and nanopore sequencing, enabling comparative assessment of genome packaging, capsid composition, and vector heterogeneity. Functional validation was performed by
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