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Some 'in vitro' effects of bacterial filtrates on normal lymphocytes and leukaemic cells
1Department of Clinical Immunology, Trinity College, Dublin.
It was found that 'in vitro' lymphocyte cultures from normal individuals transformed non-specifically in response to certain bacterial filtrates. Filtrate treated lymphocytes stimulated autologous lymphocytes in a mixed leucocyte test and treated leukaemic blasts produced higher stimulation of remission lymphocytes than untreated blasts. The relevance of these observations is discussed.
It was found that 'in vitro' lymphocyte cultures from normal individuals transformed non-specifically in response to certain bacterial filtrates. Filtrate treated lymphocytes stimulated autologous lymphocytes in a mixed leucocyte test and treated leukaemic blasts produced higher stimulation of remission lymphocytes than untreated blasts. The relevance of these observations is discussed.

