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Updated: May 23, 2026

Isolation of Exosome-Enriched Extracellular Vesicles Carrying Granulocyte-Macrophage Colony-Stimulating Factor from Embryonic Stem Cells
Published on: November 11, 2021
Modulation of the blood-stimulating effect of immobilized granulocyte colony-stimulating factor by immobilized
A M Dygai1, V V Zhdanov, G N Zyuz'kov
1Institute of Pharmacology, Siberian Division of the Russian Academy of Medical Sciences, Tomsk, Russia. mmu@pharm.tsu.ru
Abstract:
We evaluated whether immobilized hyaluronidase can modify the hematotropic effect of immobilized granulocyte CSF (G-CSF). The preparation of immobilized hyaluronidase (50 arb. units per mouse) potentiated the specific effect of immobilized G-CSF on granulomonocytopoiesis. The preparation was shown to facilitate the indirect effect of immobilized G-CSF on hemopoiesis (stimulation of the erythroid and lymphoid hemopoietic stems). These changes were accompanied by an increase in functional activity of hemopoietic precursor cells, secretion of humoral factors by bone marrow myelokaryocytes, and concentration of hemopoietins in the serum.
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