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Non-GMP plasmid production for transient transfection in bioreactors

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Abstract

We describe a generic plasmid purification process for producing DNA for larger-scale transient transfection. Data on plasmid quality with regard to residual protein, endotoxin content and presence of different plasmid forms is given. The effects of contaminants and plasmid forms on expression levels of TNFRp55 and SEAP are discussed. Transient transfection of serum-free suspension grown mammalian cells represents a suitable approach to provide research quantities of proteins (50–100 mg) within1–2 weeks.

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Correspondence to Georg Schmid.

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Schmid, G., Schlaeger, EJ. & Wipf, B. Non-GMP plasmid production for transient transfection in bioreactors. Cytotechnology 35, 157–164 (2001). https://doi.org/10.1023/A:1013148203049

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