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Tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6) in B-lymphocyte function. 1997

P Rieckmann, and J M Tuscano, and J H Kehrl
Department of Neurology, Julius-Maximilians Universität, Würzburg, Germany.

Two cytokines important in the regulation of B-cell function are tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6). They act at different steps in B-cell differentiation and can be produced by the B cells themselves upon appropriate stimulation. Crosslinking of surface Ig and signaling through CD22 or CD40 lead to increased secretion of both cytokines. Neutralization of TNF-alpha or IL-6 biologic activity in B-cell cultures results in a significant reduction in B-cell proliferation and Ig secretion. Increased production of these cytokines is found in several diseases associated with aberrant B-cell function. This review will focus on the role of TNF-alpha and IL-6 in normal and pathophysiological conditions of B-cell function.

UI MeSH Term Description Entries
D007249 Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function. Innate Inflammatory Response,Inflammations,Inflammatory Response, Innate,Innate Inflammatory Responses
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
D003432 Cross-Linking Reagents Reagents with two reactive groups, usually at opposite ends of the molecule, that are capable of reacting with and thereby forming bridges between side chains of amino acids in proteins; the locations of naturally reactive areas within proteins can thereby be identified; may also be used for other macromolecules, like glycoproteins, nucleic acids, or other. Bifunctional Reagent,Bifunctional Reagents,Cross Linking Reagent,Crosslinking Reagent,Cross Linking Reagents,Crosslinking Reagents,Linking Reagent, Cross,Linking Reagents, Cross,Reagent, Bifunctional,Reagent, Cross Linking,Reagent, Crosslinking,Reagents, Bifunctional,Reagents, Cross Linking,Reagents, Cross-Linking,Reagents, Crosslinking
D005786 Gene Expression Regulation Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D000944 Antigens, Differentiation, B-Lymphocyte Membrane antigens associated with maturation stages of B-lymphocytes, often expressed in tumors of B-cell origin. Antigens, Differentiation, B-Cell,B-Cell Differentiation Antigens,B-Lymphocyte Differentiation Antigens,Blast-2 Antigen, B-Cell,Differentiation Antigens, B-Cell,Differentiation Antigens, B-Lymphocyte,Leu Antigens, B-Lymphocyte,Plasma Cell Antigens PC-1,Antigens, Differentiation, B Lymphocyte,Antigens, Plasma Cell, PC-1,B-Cell Blast-2 Antigen,Antigen, B-Cell Blast-2,Antigens, B-Cell Differentiation,Antigens, B-Lymphocyte Differentiation,Antigens, B-Lymphocyte Leu,B Cell Blast 2 Antigen,B Cell Differentiation Antigens,B Lymphocyte Differentiation Antigens,B-Lymphocyte Leu Antigens,Blast 2 Antigen, B Cell,Differentiation Antigens, B Cell,Differentiation Antigens, B Lymphocyte,Leu Antigens, B Lymphocyte,Plasma Cell Antigens PC 1
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
D014409 Tumor Necrosis Factor-alpha Serum glycoprotein produced by activated MACROPHAGES and other mammalian MONONUCLEAR LEUKOCYTES. It has necrotizing activity against tumor cell lines and increases ability to reject tumor transplants. Also known as TNF-alpha, it is only 30% homologous to TNF-beta (LYMPHOTOXIN), but they share TNF RECEPTORS. Cachectin,TNF-alpha,Tumor Necrosis Factor Ligand Superfamily Member 2,Cachectin-Tumor Necrosis Factor,TNF Superfamily, Member 2,TNFalpha,Tumor Necrosis Factor,Cachectin Tumor Necrosis Factor,Tumor Necrosis Factor alpha

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