Clonal T-cell proliferation causing pure red cell aplasia in chronic B-cell lymphocytic leukaemia: successful treatment with cyclosporine following in vitro abrogation of erythroid colony-suppressing activity.


Clonal T cells that cause pure red cell aplasia were demonstrated in a patient with chronic B-cell lymphocytic leukaemia. The T-cell fraction was enriched by the immunomagnetic method and shown to have T-cell receptor-beta gene rearrangement. Cryopreserved T cells, obtained during the period of anaemia, suppressed autologous erythroid progenitor cell growth… (More)


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