Abstract
THE aim of this report is to show that B lymphocytes can be active against tumour cells in vitro. Lymphocytes from Balb/c mice in which primary Moloney sarcoma virus (MSV) tumours have regressed are active in vitro against target cells bearing the Moloney leukaemia virus (MLV) determined cell surface antigen but not against control cells which are MLV antigen negative1,2. Fractionation of the lymphocytes in this system has shown the active effector cells to be both thymus processed lymphocytes (T cells)3 and non-T cells3,4. Both subpopulations are active before peak tumour size and soon after regression3. The T cell activity rapidly fades following regression3, whereas the non T-cell activity persists in regressors, and by 30 d after virus infection the non-T cell activity is high and the T cell activity is low or undetectable3,4.
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LAMON, E., WIGZELL, H., ANDERSSON, B. et al. Antitumour Activity in vitro Dependent on Immune B Lymphocytes. Nature New Biology 244, 209–211 (1973). https://doi.org/10.1038/newbio244209a0
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DOI: https://doi.org/10.1038/newbio244209a0
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