Induction of granulocyte-macrophage colony-stimulating factor by lipopolysaccharide and anti-immunoglobulin M-stimulated murine B cell lines. 1987

M Bickel, and P Amstad, and H Tsuda, and C Sulis, and R Asofsky, and S E Mergenhagen, and D H Pluznik
Laboratory of Microbiology and Immunology, National Institute of Dental Research, Bethesda, Maryland 20892.

The present study was undertaken to elucidate whether B cell lymphoma and hybridoma cell lines can be stimulated by lipopolysaccharides (LPS) or by antibodies against immunoglobulin M (IgM) to produce granulocyte-macrophage colony-stimulating factor (GM-CSF). GM-CSF activity was assayed on the basophil/mast cell line PT-18 which is GM-CSF- and interleukin 3-dependent. Antibodies against murine recombinant GM-CSF were used to identify the colony-stimulating factor activity present in the supernatants of the stimulated B cell lines. When these cell lines were stimulated with LPS, two of five lymphoma and five of six hybridoma lines produced GM-CSF. Two cell lines, the B cell lymphoma M12.4.1 and the hybridoma TH2.2, were analyzed more extensively under serum-free conditions. In these two cell lines, the production of GM-CSF was dependent on the dose of LPS used and time of exposure. Antibodies against IgM stimulated the TH2.2 (IgM+) but not the M12.4.1 (IgM-) cells to produce GM-CSF. Northern blot analysis of the M12.4.1 and TH2.2 cells showed that mRNA of GM-CSF can be detected in LPS-stimulated but not in unstimulated cells. Our data show that transformed B cells can be stimulated to produce GM-CSF. The present data and previous studies on GM-CSF production by normal bone marrow-derived B cells suggest a possible participation of B cells in granulopoiesis.

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
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008070 Lipopolysaccharides Lipid-containing polysaccharides which are endotoxins and important group-specific antigens. They are often derived from the cell wall of gram-negative bacteria and induce immunoglobulin secretion. The lipopolysaccharide molecule consists of three parts: LIPID A, core polysaccharide, and O-specific chains (O ANTIGENS). When derived from Escherichia coli, lipopolysaccharides serve as polyclonal B-cell mitogens commonly used in laboratory immunology. (From Dorland, 28th ed) Lipopolysaccharide,Lipoglycans
D009693 Nucleic Acid Hybridization Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double helix. Hybridization can take place between two complimentary DNA sequences, between a single-stranded DNA and a complementary RNA, or between two RNA sequences. The technique is used to detect and isolate specific sequences, measure homology, or define other characteristics of one or both strands. (Kendrew, Encyclopedia of Molecular Biology, 1994, p503) Genomic Hybridization,Acid Hybridization, Nucleic,Acid Hybridizations, Nucleic,Genomic Hybridizations,Hybridization, Genomic,Hybridization, Nucleic Acid,Hybridizations, Genomic,Hybridizations, Nucleic Acid,Nucleic Acid Hybridizations
D011971 Receptors, Immunologic Cell surface molecules on cells of the immune system that specifically bind surface molecules or messenger molecules and trigger changes in the behavior of cells. Although these receptors were first identified in the immune system, many have important functions elsewhere. Immunologic Receptors,Immunologic Receptor,Immunological Receptors,Receptor, Immunologic,Receptors, Immunological
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D006133 Growth Substances Signal molecules that are involved in the control of cell growth and differentiation. Mitogens, Endogenous,Endogenous Mitogens
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
D000888 Antibodies, Anti-Idiotypic Antibodies which react with the individual structural determinants (idiotopes) on the variable region of other antibodies. Anti-Antibodies,Anti-Idiotype Antibodies,Antibodies, Internal Image,Antigamma Globulin Antibodies,Antiglobulins,Anti Antibodies,Anti-gamma Globulin Antibodies,Anti Idiotype Antibodies,Anti gamma Globulin Antibodies,Anti-Idiotypic Antibodies,Antibodies, Anti,Antibodies, Anti Idiotypic,Antibodies, Anti-Idiotype,Antibodies, Anti-gamma Globulin,Antibodies, Antigamma Globulin,Globulin Antibodies, Anti-gamma,Globulin Antibodies, Antigamma,Image Antibodies, Internal,Internal Image Antibodies
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

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