Some 'in vitro' effects of bacterial filtrates on normal lymphocytes and leukaemic cells

J de Azavedo1, J F Greally1

  • 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.

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