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Three hybridomas producing monoclonal antibodies (IgG), reacting with components of the human mammary milk fat globule have been isolated. When tested for binding to a wide range of human cell lines and strains, all three antibodies show negative reactions with fibroblasts, lymphoblastoid cells, and a large number of epithelial cell lines of non-breast origin. Two of the antibodies (1.10.F3 and 3.14.A3) reacted with seven out of eight breast cancer lines tested, and with epithelial cells cultured from human milk. The other antibody (3.15.C3) reacted with only two of the breast cancer cell lines.


Journal article


Int J Cancer

Publication Date





17 - 21


Animals, Antibodies, Monoclonal, Breast, Breast Neoplasms, Cell Line, Epithelium, Fats, Female, Humans, Hybridomas, Mice, Mice, Inbred BALB C, Milk, Human