Journal article

SEPARATE ACTIONS OF DIFFERENT COLONY STIMULATING FACTORS FROM HUMAN PLACENTAL CONDITIONED MEDIUM ON HUMAN HEMATOPOIETIC PROGENITOR CELL-SURVIVAL AND PROLIFERATION

G MORSTYN, NA NICOLA, D METCALF

JOURNAL OF CELLULAR PHYSIOLOGY | WILEY-LISS | Published : 1981

Abstract

More than 20% of human granulocyte-macrophage and eosinophil colony-forming cells survived in agar culture for up to 4 days without the addition of exogenous colony stimulating factors (human placental-conditioned medium, HPCM). Survival was reduced slightly but not significantly, by the removal of adherent cell populations. Significant survival occurred even when only 100 cells enriched for colony-forming cells (CFCs) were cultured per dish. When individual colonies, initiated by stimulation with HPCM for 5 days, were transferred to dishes without HPCM, subsequent proliferation was significantly reduced compared with control cultures containing HPCM. Using the fluorescence-activated cell so..

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