Mast cell growth factor modulates CD36 antigen expression on erythroid progenitors from human bone marrow and peripheral blood associated with ongoing differentiation. 1994

J T de Wolf, and E W Muller, and D H Hendriks, and R M Halie, and E Vellenga
Department of Hematology, University Hospital Groningen, The Netherlands.

To study the differentiation process of erythroid progenitors from normal human bone marrow and peripheral blood, CD34/CD36 sorted cells were cultured in the presence of Erythropoietin (Epo) and Epo plus mast cell growth factor (MGF). The CD34+/CD36- cell fraction from bone marrow supported 74 +/- 33 erythroid burst forming units (BFU-E)/10(4) cells (mean +/- SD, n = 4) in the presence of Epo, which increased 2.1-fold by coculturing with MGF. However, erythroid colony-forming units (CFU-E) were not cultured from the CD34+/CD36- cell fraction. In contrast, the CD34-/CD36+ cell fraction supported CFU-Es in the presence of Epo (152 +/- 115/10(5)) or Epo plus MGF (180 +/- 112/10(5)), whereas BFU-Es were hardly noticed. However, the transition of the BFu-E to CFU-E was observed by incubating CD34+/CD36- cells (10(4)/100 microL) in suspension with Epo plus MGF for 7 days followed by Epo in the colony assay. This was reflected by the appearance of CD34-/CD36+/Glycophorin A+/CD14- cells. In addition high numbers of CFU-Es (1,000 +/- 150, n = 4) were cultured from this cell fraction. In contrast to bone marrow erythroid progenitors, no peripheral blood CFU-Es were cultured from either the CD36+ or CD36- fraction, whereas BFU-Es were predominantly present in the CD36+ fraction. However, the CD34+ progenitor cell from peripheral blood did have intrinsic capacity to differentiate to CFU-Es because CD34+/CD36- cells incubated with Epo plus MGF for 7 days and followed by Epo in the colony assay, supported high numbers of CFU-Es (1,200 +/- 400, n = 3). To study whether additional growth factors have similar effects on erythroid progenitors, experiments were performed with interleukin 1 (IL-1), IL-3, and IL-6. IL-1 and IL-6 did not modulate the Epo supported proliferation and differentiation. In contrast, IL-3 in the presence of Epo did support CFU-Es, from CD34+/CD36- cells after 7 days in suspension culture. However, flow cytometry analysis showed that Epo plus IL-3 not only supported CD34-/CD36+/Glycophorin A+ cells but also CD36+/CD14+ cells, indicating the differentiation along different cell lineages. In summary, the data show a phenotypic distinction between bone marrow and peripheral blood erythroid progenitors with regard to CD36 expression. In addition, the results suggest that Epo plus MGF or IL-3 and preincubation in suspension culture are prerequisites for the transition of the BFU-E to the CFU-E.

UI MeSH Term Description Entries
D001854 Bone Marrow Cells Cells contained in the bone marrow including fat cells (see ADIPOCYTES); STROMAL CELLS; MEGAKARYOCYTES; and the immediate precursors of most blood cells. Bone Marrow Cell,Cell, Bone Marrow,Cells, Bone Marrow,Marrow Cell, Bone,Marrow Cells, Bone
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D004921 Erythropoietin Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015672 Erythroid Precursor Cells The cells in the erythroid series derived from MYELOID PROGENITOR CELLS or from the bi-potential MEGAKARYOCYTE-ERYTHROID PROGENITOR CELLS which eventually give rise to mature RED BLOOD CELLS. The erythroid progenitor cells develop in two phases: erythroid burst-forming units (BFU-E) followed by erythroid colony-forming units (CFU-E); BFU-E differentiate into CFU-E on stimulation by ERYTHROPOIETIN, and then further differentiate into ERYTHROBLASTS when stimulated by other factors. Burst-Forming Units, Erythroid,Colony-Forming Units, Erythroid,Erythroid Progenitor Cells,Erythropoietic Progenitor Cells,Erythropoietic Stem Cells,Progenitor Cells, Erythropoietic,Stem Cells, Erythroid,BFU-E,CFU-E,BFU E,BFU-Es,Burst Forming Units, Erythroid,Burst-Forming Unit, Erythroid,CFU E,CFU-Es,Cell, Erythroid Precursor,Cell, Erythroid Progenitor,Cell, Erythroid Stem,Cell, Erythropoietic Progenitor,Cell, Erythropoietic Stem,Cells, Erythroid Precursor,Cells, Erythroid Progenitor,Cells, Erythroid Stem,Cells, Erythropoietic Progenitor,Cells, Erythropoietic Stem,Colony Forming Units, Erythroid,Colony-Forming Unit, Erythroid,Erythroid Burst-Forming Unit,Erythroid Burst-Forming Units,Erythroid Colony-Forming Unit,Erythroid Colony-Forming Units,Erythroid Precursor Cell,Erythroid Progenitor Cell,Erythroid Stem Cell,Erythroid Stem Cells,Erythropoietic Progenitor Cell,Erythropoietic Stem Cell,Precursor Cell, Erythroid,Precursor Cells, Erythroid,Progenitor Cell, Erythroid,Progenitor Cell, Erythropoietic,Progenitor Cells, Erythroid,Stem Cell, Erythroid,Stem Cell, Erythropoietic,Stem Cells, Erythropoietic,Unit, Erythroid Burst-Forming,Unit, Erythroid Colony-Forming,Units, Erythroid Burst-Forming,Units, Erythroid Colony-Forming
D015703 Antigens, CD Differentiation antigens residing on mammalian leukocytes. CD stands for cluster of differentiation, which refers to groups of monoclonal antibodies that show similar reactivity with certain subpopulations of antigens of a particular lineage or differentiation stage. The subpopulations of antigens are also known by the same CD designation. CD Antigen,Cluster of Differentiation Antigen,Cluster of Differentiation Marker,Differentiation Antigens, Leukocyte, Human,Leukocyte Differentiation Antigens, Human,Cluster of Differentiation Antigens,Cluster of Differentiation Markers,Antigen Cluster, Differentiation,Antigen, CD,CD Antigens,Differentiation Antigen Cluster,Differentiation Marker Cluster,Marker Cluster, Differentiation
D016298 Hematopoietic Cell Growth Factors These growth factors comprise a family of hematopoietic regulators with biological specificities defined by their ability to support proliferation and differentiation of blood cells of different lineages. ERYTHROPOIETIN and the COLONY-STIMULATING FACTORS belong to this family. Some of these factors have been studied and used in the treatment of chemotherapy-induced neutropenia, myelodysplastic syndromes, and bone marrow failure syndromes. Hematopoietins,Hematopoietic Cell Growth Factor,Hematopoietic Stem Cell Stimulators,Hematopoietic Stem Cell-Activating Factors,Hematopoietic-CGF,Hematopoietic CGF
D018952 Antigens, CD34 Glycoproteins found on immature hematopoietic cells and endothelial cells. They are the only molecules to date whose expression within the blood system is restricted to a small number of progenitor cells in the bone marrow. CD34 Antigens,CD34 Antigen,Antigen, CD34
D018955 CD36 Antigens Leukocyte differentiation antigens and major platelet membrane glycoproteins present on MONOCYTES; ENDOTHELIAL CELLS; PLATELETS; and mammary EPITHELIAL CELLS. They play major roles in CELL ADHESION; SIGNAL TRANSDUCTION; and regulation of angiogenesis. CD36 is a receptor for THROMBOSPONDINS and can act as a scavenger receptor that recognizes and transports oxidized LIPOPROTEINS and FATTY ACIDS. Antigens, CD36,OKM5 Antigen,Platelet Glycoprotein IV,Platelet Membrane Glycoprotein IIIb,Receptors, Thrombospondin,Scavenger Receptors, Class B, Type I,Thrombospondin Receptors,Adipocyte Membrane Protein p88,CD36 Antigen,CD36 Antigen (Collagen Type I Receptor, Thrombospondin Receptor),CD36 Fatty Acid Transporter,CD36 Protein,FAT (Fatty Acid Translocase) - CD36 Antigen,GPIIIb Platelet Glycoprotein,GPIV Platelet Glycoprotein,Platelet Glycoprotein IIIb,Platelet Membrane Glycoprotein IV,SR-BI Protein,SR-BI Receptor,Thrombospondin Receptor,Antigen, CD36,Antigen, OKM5,Glycoprotein IIIb, Platelet,Glycoprotein IV, Platelet,Platelet Glycoprotein, GPIIIb,Platelet Glycoprotein, GPIV,Receptor, SR-BI,Receptor, Thrombospondin,SR BI Protein,SR BI Receptor
D019089 Stem Cell Factor A hematopoietic growth factor and the ligand of the cell surface c-kit protein (PROTO-ONCOGENE PROTEINS C-KIT). It is expressed during embryogenesis and is a growth factor for a number of cell types including the MAST CELLS and the MELANOCYTES in addition to the HEMATOPOIETIC STEM CELLS. Mast Cell Growth Factor,Steel Factor,c-kit Ligand,kit Ligand,c kit Ligand

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