Hybridoma antibody which inhibits interleukin 2 activity

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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4351722, 435240, 435241, 424 85, 436548, C07G 700, C12N 1500, C12N 500, C12N 502, A61K 3900

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active

044734930

ABSTRACT:
A process for producing anti-IL-2 antibody from hybridoma cells generated by fusing activated, IL-2 immunized, murine lymphocyte cells with neoplastic murine myeloma cells. Fusion is accomplished by mixing the two cell lines together in the presence of a fusing agent. After fusion, the hybridoma cells are cultured in vitro in a supplemented tissue culture medium to thereby produce anti-IL-2 antibody. Also, the hybridoma cells are cloned by a limiting dilution procedure to isolate even more potent sources of anti-IL-2 antibody. Anti-IL-2 antibody is then purified from either tissue culture medium conditioned by hybridoma cells, or from peritoneal ascites of mice challenged with hybridoma cells.

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Gillis et al., "T Cell Growth Factor: Parameters of Production and a Quantitative Microassay for Activity", 120 J. Immunol. 2027, (1978).
Watson et al., "Biochemical and Biological Characterization of Lymphohocyte Regulatory Molecules-I. Purification of a Class of Murine Lymphokines", 150, J. Exp. Med., 849, (1979).
Gillis et al., "Biochemical Characterization of Lymphocyte Regulatory Molecules-II. Purification of a Class of Rat and Human Lymphokines", 124, J. Immunol. 154, (1980).
Luben et al., "Production of Hybridomas Secreting Monoclonal Antibodies Against the Lymphokine Osteoclast Activity Factor", 154 Journal of Clinical Investigation, 1262, (1979).
Luben et al., "Use of In Vito Immunization in Production of Monoclonal Antibodies Against Osteoclast-Activating Factor: A Method of General Applicability to Lymphokines", Biochemical Characterization of Lymphokines, edited by DeWeck et al., Academic Press, N.Y., p. 321, (1979).

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