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Beneficial effect of 30Kc6 gene expression on production of recombinant interferon-β in serum-free suspension culture of CHO cells

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Authors
Koo, Tai Young; Park, Ju Hyun; Park, Hee Ho; Park, Tai Hyun
Issue Date
2009-02
Publisher
Elsevier
Citation
Process Biochemistry, 2009;44:146-53
Keywords
Apoptosis30Kc6Serum-free mediumIFN-βSuspension cultureCHO
Abstract
The Bombyx mori 30Kc gene is known to have anti-apoptotic activity and can enhance the cell growth and expression of recombinant proteins in anchorage-dependent CHO cell cultures. In this study, an interferon-β (IFN-β)-producing CHO cell line, which expresses the recombinant 30Kc6 gene, was constructed to investigate the effect of 30Kc6 expression on the production of IFN-β in serum-free suspension culture. The 30Kc6 expressing cell line showed lower apoptotic activity and prolonged cell viability under apoptotic conditions induced by the addition of sodium butyrate, staurosporine, or the removal of serum. The 30Kc6 expressing cell line also suppressed the loss of mitochondrial membrane potential induced under these conditions. It was observed that viability, and production of IFN-β were also enhanced by 30Kc6 expression in serum-free suspension cultures. These results indicate that the 30Kc6 gene can positively affect the viability and production of recombinant therapeutic proteins in serum-free suspension cultures of CHO cell lines.
ISSN
1359-5113
Language
English
URI
http://hdl.handle.net/10371/7444
DOI
https://doi.org/10.1016/j.procbio.2008.09.018
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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