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Maximisation of perfusion systems and process comparison with batch-type cultures

Maximisation of perfusion cultures

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Abstract

A comparison of cell yields and monoclonal antibody productivity from the same hybridoma has been made in a wide range of cell bioreactors including both batch and continuous perfusion cultures. The most productive systems were based on porous microcarriers in fixed and fluidised beds which can be operated with a high degree of efficiency and reliability from the physico-chemical engineering point of view. Further improvements should be possible by improving the physiological environment in dense cell cultures, as indicated by the preliminary studies that are described. These include experimental data showing the relationship between monoclonal antibody production rates with glucose, glutamine, ammonia, and oxygen levels in microporous beads.

The results strongly indicate that perfusion processes that are scaleable in both volume and cell density can significantly reduce production costs. Manufacturers of biologicals from animal cells now have a choice between the proven batch-type processes and reliable perfusion systems based on microporous beads.

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Authors and Affiliations

  1. Division of Biologics, PHLS CAMR, Porton Down Salisbury, SP4 0JG, Wiltshire, UK

    J. B. Griffiths, D. Looby & A. J. Racher

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  1. J. B. Griffiths
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  2. D. Looby
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  3. A. J. Racher
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Griffiths, J.B., Looby, D. & Racher, A.J. Maximisation of perfusion systems and process comparison with batch-type cultures. Cytotechnology 9, 3–9 (1992). https://doi.org/10.1007/BF02521726

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  • DOI: https://doi.org/10.1007/BF02521726

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