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https://hdl.handle.net/2440/46442
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Type: | Journal article |
Title: | A macrokinetic model for myeloma cell culture based on stoichiometric balance |
Author: | Zhou, F. Bi, J. Zeng, A. Yuan, J. |
Citation: | Biotechnology and Applied Biochemistry, 2007; 46(2):85-95 |
Publisher: | Portland Press |
Issue Date: | 2007 |
ISSN: | 0885-4513 1470-8744 |
Abstract: | A macrokinetic model for a myeloma cell line is proposed. The model describes the dynamic balances of lactate, alanine, ATP and NADH during the metabolsim of glucose, glutamine and other amino acids. The metabolic pathways mainly include glycolysis, glutaminolysis, the trcicarboxylic acid cycle, the formation and utilization of amino acids, the respiratory chain, cell growth and cell death. The metabolic shift of glucose is especially considered because of a change in the rate of glycolysis. Thus the model functions in three modes to describe the behaviour of the myeloma cell line. On the basis of this model the macrokinetic bioreaction rates such as the specific substrate consumption rate, the specific growth rate, the specific acetyl-CoA formation rate, as well as the specific oxygen uptake rate, are estimated. The specific substrate consumption rate and the specific growth rate are then coupled into a bioreactor model such that the key variables, i.e., the cell density, the substrate and metabolite concentrations, are obtained. Experiments with batch and fed-batch cultures of a myeloma cell line (X63-Ag8.653) were used to validate the model. The prediction of the model was simulated by the rolling prediction approach. |
Keywords: | macrokinetic model, metabolic pathways, metabolic shift, myeloma cell culture, stoichiometric model |
Description: | © 2007 Portland Press Ltd |
DOI: | 10.1042/BA20060021 |
Description (link): | http://www.babonline.org/bab/046/bab0460085.htm |
Published version: | http://dx.doi.org/10.1042/ba20060021 |
Appears in Collections: | Aurora harvest Chemical Engineering publications |
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