Abstract:In vitro studies were performed in a patient with B-cell chronic lymphocytic leukemia who developed pure red cell aplasia (CLL-PRCA). The patient’s irradiated circulating mononuclear blood cells and supernatant markedly inhibited normal marrow erythroid (but not granulocyte-monocyte) progenitor colony proliferation. In contrast, irradiated peripheral blood mononuclear cells and supernatant obtained from a B-CLL patient (Rai stage III) and from a hematologically normal donor, did not affect hematopoietic progen… Show more
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