PMID: 2103359Jan 1, 1990Paper

Pokeweed mitogen-stimulated human lymphocytes fused to LICR-2 (HMY2) generate human-human hybridomas producing monoclonal IgG antibodies reactive to human breast carcinoma and malignant melanoma

Human Antibodies and Hybridomas
R F MartinM L Filaccio

Abstract

Human-human hybridomas were generated using pokeweed mitogen-stimulated lymphocytes from the regional lymph nodes of cancer patients by fusion to the LICR-2 human myeloma cell line. A total of 35 fusions, using the regional lymph node lymphocytes of cancer patients, resulted in hybrid growth in 23% of wells plated with 21 IgG ELISA positive clones, 6 of which have maintained stable human monoclonal antibody production. Mononuclear cells were separated on Ficoll-Paque and grown for 3-4 days in 1% pokeweed mitogen and fused to the LICR-2 human myeloma cell line. Human-human hybridoma producing membrane reactive IgG antibodies have been isolated and react to the following cancers: breast; melanoma. Twenty-seven fusions from 8 breast carcinoma patients resulted in 13 ELISA positive IgGs, 3 of which were stable after cloning. A total of 5,071 wells were plated after polyethylene glycol fusion with resultant hybrid growth in 1210 wells (24% hybrid growth) after hypoxanthine-aminopterin-thymidine selection. In 8 fusions using regional lymph node lymphocytes of other types of cancer, including 6 fusions using lymphocytes from malignant melanoma patients, there were 1,580 wells plated with positive growth in 20% of the wells (311 wells)...Continue Reading

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