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Expression of IGFs, IGF-R and MDR1 in Hospicells from AML bone marrow. Hospicells were identified among other stromal cells because of their property to interact with HL60 cells (A). Interaction of HL60 with enriched Hospicells (B). The Hospicells were stained by IGF-I, -II, -IR and -IIR antibodies (C). Expression of MDR1 by Hospicells was analyzed by RT-PCR (D).
