Abstract

A large quantity of polyclonal anti-ovalbumin antibodies was obtained from mice by a simple modification of the method described by Kurpisz et al. (1988). In addition, the cells from ascitic fluid were used to produce monoclonal antibodies. Egg ovalbumin hyperimmunized BALB/c mice were injected successively with pristane, antigen and a non-antibody secreting myeloma cell line: the production of ascitic fluid containing antiovalbumin antibody activity was observed after 10–25 days. Cells from ascitic fluid were harvested, washed and fused together with polyethylene glycol to produce monoclonal antibodies. Two fusions were performed and a large number of monoclonal anti-ovalbumin antibodies was obtained. This method is simple, reproducible, allows many fusions to be obtained from one mouse, and allows the use of ascitic B cells rather than the more, frequently used splenic B cells.

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