Development of serum-free medium supplemented with hydrolysates for the production of therapeutic antibodies in CHO cell cultures using design of experiments

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An efficient method of formulating serum-free medium (SFM) for production of therapeutic antibodies by recombinant CHO (rCHO) cells was developed using two rCHO cell lines producing a therapeutic antibody. In this method, ten kinds of SFM were prepared by supplementing the basal SFM with statistically designed mixtures (total 5 g L(-1)) of three non-animal-derived hydrolysates: yeastolate, soy hydrolysate, and wheat gluten hydrolysate. When the two rCHO cell lines were cultivated, the mixtures of soy hydrolysate and wheat gluten hydrolysate showed a positive effect on cell growth. On the other hand, the mixtures including a high portion of yeastolate significantly enhanced specific antibody productivity. To reconstitute the mixture ratios of the three hydrolysates for high growth and antibody production, the effect of each medium was analyzed by the statistical program Design-ExpertA (R). The resulting medium gave a 1.9-3.3-fold increase in the maximum antibody concentration, compared to the basal SFM. Taken together, the supplementation of hydrolysates to the basal SFM with the help of statistical analysis is an efficient means of developing SFM for therapeutic antibody production by rCHO cells.
Publisher
SPRINGER
Issue Date
2009-06
Language
English
Article Type
Article
Keywords

HAMSTER OVARY CELLS; GLYCINE BETAINE; PROTEIN; LINE; GROWTH; THROMBOPOIETIN; EXPRESSION; FRACTIONS; VIABILITY

Citation

APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, v.83, no.4, pp.639 - 648

ISSN
0175-7598
DOI
10.1007/s00253-009-1903-1
URI
http://hdl.handle.net/10203/101027
Appears in Collection
BS-Journal Papers(저널논문)
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