Cited by 46Fluid Dynamics and MixingViral Infectious Diseases and Gene Expression in InsectsProtein purification and stability

Application of bioreactor design principles and multivariate analysis for development of cell culture scale down models

Tescione, Lia, Lambropoulos, James, Paranandi, Madhava Ram, Makagiansar, Helena, Ryll, Thomas·2015·Biotechnology and Bioengineering

Abstract

A bench scale cell culture model representative of manufacturing scale (2,000 L) was developed based on oxygen mass transfer principles, for a CHO-based process producing a recombinant human protein. Cell culture performance differences across scales are characterized most often by sub-optimal performance in manufacturing scale bioreactors. By contrast in this study, reduced growth rates were observed at bench scale during the initial model development. Bioreactor models based on power per unit volume (P/V), volumetric mass transfer coefficient (kL a), and oxygen transfer rate (OTR) were evaluated to address this scale performance difference. Lower viable cell densities observed for the P/V model were attributed to higher sparge rates and reduced oxygen mass transfer efficiency (kL a) of the small scale hole spargers. Increasing the sparger kL a by decreasing the pore size resulted in a further decrease in growth at bench scale. Due to sensitivity of the cell line to gas sparge rate and bubble size that was revealed by the P/V and kL a models, an OTR model based on oxygen enrichment and increased P/V was selected that generated endpoint sparge rates representative of 2,000 L scale. This final bench scale model generated similar growth rates as manufacturing. In order to take into account other routinely monitored process parameters besides growth, a multivariate statistical approach was applied to demonstrate validity of the small scale model. After the model was selected based on univariate and multivariate analysis, product quality was generated and verified to fall within the 95% confidence limit of the multivariate model.

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Crossref · 10.1002/bit.25330

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Authors
Tescione, L., Lambropoulos, J., Paranandi, M. R., Makagiansar, H., & Ryll, T.
Affiliations
  • Biogen (United States) (US)
  • Biogen Idec, Cell Culture Development 14 Cambridge Center Cambridge Massachusetts 02142
Corresponding author
Tescione, Lia
Venue
Biotechnology and Bioengineering
Publisher
Wiley
Published
2014-09-26
Volume
112
Issue
1
Pages
84-97
ISSN
  • 0006-3592 (ISSN-L)
  • 1097-0290
OpenAlex
W2140422856
Cited by
46
References
37
Citations by year
2025: 3 · 2024: 8 · 2023: 2 · 2022: 2 · 2021: 4 · 2020: 6 · 2019: 10 · 2018: 3 · 2017: 1 · 2016: 4 · 2015: 3
FWCI
1.38
Type
journal article
Language
en
Open access
closed
Locations
  • Biotechnology and Bioengineering (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Fluid Dynamics and Mixing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Viral Infectious Diseases and Gene Expression in Insects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein purification and stability
Keywords
oxygen transfer, volumetric mass transfer coefficient, oxygen transfer rate, sparger design, bubble size, CHO cell culture, recombinant protein expression, viable cell density, product quality prediction
MeSH terms
Animals, Cricetulus, Cricetinae, Humans, Models, Biological, Oxygen, Recombinant Proteins, Multivariate Analysis, CHO Cells, Cell Culture Techniques, Bioreactors, Principal Component Analysis

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