Abstract
A general weaning procedure is described which allowed a range of hybridomas to be weaned readily off serum without loss of antibody production. Initial work was carried out with one cell line only (SPO1 cells) and one serum substitute containing a final protein concentration of 40 mg l-1. The SPO1 cells were first adapted to a range of readily available basal media and then weaned off serum by a range of protocols. From this work an optimal weaning protocol and basal medium for weaning were determined. These were then used to wean the SPO1 cells and two other cell lines off serum with a second, protein free, serum substitute with varying concentrations of defined proteins added. All three cell lines investigated were readily weaned off serum by this protocol at protein concentrations as low as 1 mg l-1. No loss of antibody production was observed with any of the cell lines. The weaning procedure outlined is both simple and rapid and has been successfully adopted in our laboratory by relatively inexperienced cell culture technicians.
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Radford, K., Niloperbowo, W., Reid, S. et al. Weaning of three hybridoma cell lines to serum free low protein medium. Cytotechnology 6, 65–78 (1991). https://doi.org/10.1007/BF00353704
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DOI: https://doi.org/10.1007/BF00353704