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Total number (top) and phenotype (bottom) of cells generated over time in HEMA cultures of mononuclear cells from AB (See also [95,103]). Phenotype is defined by flow cytometrical analyses on the basis of CD34 (the antigen expressed by hematopoietic stem/progenitor cells [126]), CD36 (the thrombospondin receptor expressed when CD34pos cells became committed to the erythroid-megakaryocytic lineage in response to EPO [127,128]) and the erythroid marker CD235a (glycophorin A).
