[Activity of nucleolar organizers in central macrophage culture of bone marrow erythroblastic islands].
The erythroblastic islands of the bone marrow are morphofunctional units of erythropoiesis. In this work the functional state of erythroblastic islands' cells of the bone marrow, for the first time, was defined by the estimation of the activity of the nucleolar organizers of central macrophages in the erythroblastic islands, cultivated during 24 and 48 hours with the presence of various doses of erythropoietin. The findings indicated that the increase in doses of erythropoietin was accompanied by the corresponding increase of the activity of nucleolar organizers in central macrophages of erythroblastic islands. The nucleolar organizers of central macrophages in cultures of erythroblastic islands responded to very small doses of erythropoietin by their activation.
Kurenkov
E L
EL
South-Ural Scientific Centre, Russian Academy of Medical Sciences, 454092, Chelyabinsk, Russia.
Rassokhin
A G
AG
Zakharov
Iu M
IuM
D000818:Animals; D001854:Bone Marrow Cells / Q000187:drug effects / Q000502:physiology*; D002454:Cell Differentiation; D002478:Cells, Cultured; D004305:Dose-Response Relationship, Drug; D004900:Erythroblasts / Q000187:drug effects / Q000502:physiology*; D004920:Erythropoiesis / Q000187:drug effects / Q000502:physiology; D004921:Erythropoietin / Q000494:pharmacology; D008264:Macrophages / Q000187:drug effects / Q000648:ultrastructure*; D008297:Male; D009697:Nucleolus Organizer Region / Q000187:drug effects / Q000502:physiology*; D051381:Rats; D013997:Time Factors
D004921:Erythropoietin