A three compartment model (ER --> Golgi --> extracellular medium) is used here to describe the interorganelle transport and final secretion of an IgG(2a) monoclonal antibody (MAb) in 9.2.27 murine hybridoma cells. Model simulations of pulse-chase and continuous labeling experiments are used to gain a better understanding of the kinetics of MAb interorganelle traffic. Simulation results for the continuous labeling case compare well with experimental data obtained during continuous labeling of 9.2.27 hybridoma cells. Incorporation of this compartmental transport model into our previously developed model of MAb synthesis and assembly can provide a useful tool for analyzing the dynamics and regulation of the complete antibody secretory pathway under different growth and/or nutritional conditions.
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Bibila et al. (1991) studied this question.
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