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Interleukin-3 (IL-3) and granulocyte-macrophage colony-stimulating factor (GM-CSF) can induce differentiation of chronic B cell leukemia expressing the alpha subunit of IL-3 and GM-CSF receptor. 1996

M Shiiba, and S Takaki, and K Takatsu
Department of Immunology, Institute of Medical Science, University of Tokyo, Japan.

Interleukin-5 (IL-5), IL-3 and granulocyte-macrophage colony-stimulating factor (GM-CSF) exhibit similar functions on eosinophils, and these common functions are believed to be mediated by the shared beta chain of receptors. IL-5 shows activity on the murine chronic B cell leukemia cell line BCL1-B20, inducing differentiation into IgM-secreting cells, but IL-3 and GM-CSF do not have such activity. To elucidate whether the lineage specificity of IL-5 is due to restricted expression of the IL-5 receptor alpha chain (IL-5R alpha), transfectants of BCL1-B20 were established that express IL-3 receptor alpha (BCL1-3R) or GM-CSF receptor alpha (BCL1-GMR). BCL1-3R and BCL1-GMR acquired responsiveness to IL-3 and GM-CSF, respectively, to an extent similar to IL-5 stimulation, resulting in IgM-secreting cells. Thus, the differentiation of BCL1-B20 into IgM-secreting cells can be equally supported by either IL-3 or GM-CSF, suggesting that intracellular signaling through IL-5R can be replaced by signaling from IL-3R and GM-CSFR. These results support the notion that the lineage specificity of IL-5 is mainly due to the restricted expression of IL-5R alpha. Regulation of IL-5R alpha, IL-3R alpha and GM-CSFR alpha expression in the developmental stage appears to be important for understanding the unique function of these cytokines on a particular cell type.

UI MeSH Term Description Entries
D007075 Immunoglobulin M A class of immunoglobulin bearing mu chains (IMMUNOGLOBULIN MU-CHAINS). IgM can fix COMPLEMENT. The name comes from its high molecular weight and originally was called a macroglobulin. Gamma Globulin, 19S,IgM,IgM Antibody,IgM1,IgM2,19S Gamma Globulin,Antibody, IgM
D007377 Interleukin-3 A multilineage cell growth factor secreted by LYMPHOCYTES; EPITHELIAL CELLS; and ASTROCYTES which stimulates clonal proliferation and differentiation of various types of blood and tissue cells. Burst-Promoting Factor, Erythrocyte,Colony-Stimulating Factor 2 Alpha,Colony-Stimulating Factor, Mast-Cell,Colony-Stimulating Factor, Multipotential,Erythrocyte Burst-Promoting Factor,IL-3,Mast-Cell Colony-Stimulating Factor,Multipotential Colony-Stimulating Factor,P-Cell Stimulating Factor,Eosinophil-Mast Cell Growth-Factor,Hematopoietin-2,Burst Promoting Factor, Erythrocyte,Colony Stimulating Factor, Mast Cell,Colony Stimulating Factor, Multipotential,Eosinophil Mast Cell Growth Factor,Erythrocyte Burst Promoting Factor,Hematopoietin 2,Interleukin 3,Multipotential Colony Stimulating Factor,P Cell Stimulating Factor
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
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001402 B-Lymphocytes Lymphoid cells concerned with humoral immunity. They are short-lived cells resembling bursa-derived lymphocytes of birds in their production of immunoglobulin upon appropriate stimulation. B-Cells, Lymphocyte,B-Lymphocyte,Bursa-Dependent Lymphocytes,B Cells, Lymphocyte,B Lymphocyte,B Lymphocytes,B-Cell, Lymphocyte,Bursa Dependent Lymphocytes,Bursa-Dependent Lymphocyte,Lymphocyte B-Cell,Lymphocyte B-Cells,Lymphocyte, Bursa-Dependent,Lymphocytes, Bursa-Dependent
D014162 Transfection The uptake of naked or purified DNA by CELLS, usually meaning the process as it occurs in eukaryotic cells. It is analogous to bacterial transformation (TRANSFORMATION, BACTERIAL) and both are routinely employed in GENE TRANSFER TECHNIQUES. Transfections
D014407 Tumor Cells, Cultured Cells grown in vitro from neoplastic tissue. If they can be established as a TUMOR CELL LINE, they can be propagated in cell culture indefinitely. Cultured Tumor Cells,Neoplastic Cells, Cultured,Cultured Neoplastic Cells,Cell, Cultured Neoplastic,Cell, Cultured Tumor,Cells, Cultured Neoplastic,Cells, Cultured Tumor,Cultured Neoplastic Cell,Cultured Tumor Cell,Neoplastic Cell, Cultured,Tumor Cell, Cultured
D015398 Signal Transduction The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway. Cell Signaling,Receptor-Mediated Signal Transduction,Signal Pathways,Receptor Mediated Signal Transduction,Signal Transduction Pathways,Signal Transduction Systems,Pathway, Signal,Pathway, Signal Transduction,Pathways, Signal,Pathways, Signal Transduction,Receptor-Mediated Signal Transductions,Signal Pathway,Signal Transduction Pathway,Signal Transduction System,Signal Transduction, Receptor-Mediated,Signal Transductions,Signal Transductions, Receptor-Mediated,System, Signal Transduction,Systems, Signal Transduction,Transduction, Signal,Transductions, Signal
D015448 Leukemia, B-Cell A malignant disease of the B-LYMPHOCYTES in the bone marrow and/or blood. B-Cell Leukemia,B-Lymphocytic Leukemia,Leukemia, Lymphocytic, B-Cell,Lymphocytic Leukemia, B-Cell,Leukemia, Lymphocytic, B Cell,B Cell Leukemia,B Lymphocytic Leukemia,B-Cell Leukemias,B-Cell Lymphocytic Leukemia,B-Cell Lymphocytic Leukemias,B-Lymphocytic Leukemias,Leukemia, B Cell,Leukemia, B-Cell Lymphocytic,Leukemia, B-Lymphocytic,Leukemias, B-Cell,Leukemias, B-Cell Lymphocytic,Leukemias, B-Lymphocytic,Lymphocytic Leukemia, B Cell,Lymphocytic Leukemias, B-Cell

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