Abstract

Immunized BALB/c mice were injected with 10 6 viable Sp2/0-Ag14 cells to induce ascites fluid concurrently with maximum serum antibody activity. Ascites fluids developed in a systematic manner, yielded large amounts of specific polyclonal antibody even when the mice were injected with relatively small amounts of immunogen. A combination of an initial pristane injection prior to 3 intraperitoneal immunizations of immunogen emulsified in Freund's complete adjuvant (total volume of 0.1–0.2 ml per injection), followed 4 days later by injection of 10 6 viable Sp2/0-Ag14 cells, resulted in a consistent production of ascites fluid with substantial specific antibody activity.

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