JERRY MASON / SCIENCE PHOTO LIBRARY JERRY MASON / SCIENCE PHOTO LIBRARY
A technician picks out cells for the production of monoclonal antibodies at the MRC Laboratory for Molecular Biology, Cambridge, where monoclonal antibodies were discovered by Dr Cesar Milstein. Monoclonal antibodies promise great potential for both the diagnosis & treatment of disease. They are produced by fusing a lymphocyte from the immune system with a tumour cell; the resulting "hybridoma" can then be cloned to produce genetically identical copies, each of which will secrete the single type of antibody produced by the original lymphocyte.
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