Abstract
The kinetics of growth and antibody formation of an anti-interleukin-2 producing hybridoma line were studied in suspension culture at temperatures ranging from 34 degrees C to 39 degrees C. Flow cytometry was used to determine the effect of temperature on the cell cycle. Maximum cell density and monoclonal antibody yield were observed at 37 degrees C. The specific monoclonal antibody production rate was approximately constant throughout each batch experiment. Lower temperatures caused cells to stay longer in the G(1)-phase of the cell cycle, but temperature had only a marginal effect on the specific antibody production rate. Arresting of cells in the G(1)-phase by means of temperature was, therefore, not suited for enhanced monoclonal antibody production. Rather, antibody production for this hybridoma was directly linked to viable cell concentration.
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