The tentative interpretations about the action of erythropoietin in vitro, based on consideration of our present studies, are (1) that erythropoietin increases heme synthesis in bone marrow cultures as a whole, and probably in individual erythroblasts as well, and (2) that erythropoietin induces DNA synthesis by erythroblasts. On the basis of these limited data we cannot make a statement about the relation between these two effects.

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© 1967 by American Society of Hematology, Inc.
1967
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