A. Radbruch

Publication List Details

Period

2001 - 2005

Number

70

Co-Authors

Correlation between circulating CD27(high) plasma cells and disease activity in patients with systemic lupus erythematosus (2003)

Jacobi,A. M., Odendahl,M., Reiter,K., Bruns,A., Burmester,G. R., Radbruch,A., ...

Objective. Disease activity in systemic lupus erythematosus (SLE) is usually assessed with complex disease activity scores comprising a variety of different parameters. In order to determine whether...

Correlation between circulating CD27(high) plasma cells and disease activity in patients with systemic lupus erythematosus (2003)

Jacobi, A. M., Odendahl, M., Reiter, K., Bruns, A., Burmester, G. R., Radbruch, A., ...

Objective. Disease activity in systemic lupus erythematosus (SLE) is usually assessed with complex disease activity scores comprising a variety of different parameters. In order to determine whether...

Analysis and sorting of live cells according to secreted molecules, relocated to a cell-surface affinity matrix.

Manz, R, Assenmacher, M, Pflüger, E, Miltenyi, S, Radbruch, A

We have developed a technology for analysis and sorting of live cells according to secreted molecules. An artificial affinity matrix, specific for the secreted product of interest, is created on the...

DNA methylation profiles in the human genes for tumor necrosis factors alpha and beta in subpopulations of leukocytes and in leukemias.

Kochanek, S, Radbruch, A, Tesch, H, Renz, D, Doerfler, W

The genomic sequencing technique has been applied to assess the state of methylation in the DNA from human leukocyte subpopulations from healthy individuals and in the DNA from several individuals...

Evidence for transient requirement of the IgH enhancer.

Klein, S, Gerster, T, Picard, D, Radbruch, A, Schaffner, W

A transcriptional enhancer is thought to play a major role in determining tissue-specific expression of the immunoglobulin heavy chain (IgH) gene (1-3). However in three B-lymphoid cell lines the Ig...

Class switch recombination is IgG1 specific on active and inactive IgH loci of IgG1-secreting B-cell blasts.

Radbruch, A, Müller, W, Rajewsky, K

Mouse B lymphocytes can be activated polyclonally by bacterial lipopolysaccharide (LPS) to secrete Ig and perform Ig class switch. In the presence of the T-cell lymphokine B-cell differentiation...

Isolation of variants of mouse myeloma X63 that express changed immunoglobulin class.

Radbruch, A, Liesegang, B, Rajewsky, K

We have used fluorescence-activated cell sorting with class-specific antisera to isolate spontaneous variants in the expression of immunoglobulin heavy chain class from the mouse myeloma cell line...

Recombination between antibody heavy chain variable-region genes: evidence for gene conversion.

Krawinkel, U, Zoebelein, G, Brüggemann, M, Radbruch, A, Rajewsky, K

The murine hybridoma line B1-8.delta 1 secretes monoclonal IgD lambda 1 antibodies specific for the hapten (4-hydroxy-3-nitrophenyl)acetyl (NP). The variable (V) region of these antibodies is defined...

Isolation and characterization of anti-monosialoganglioside monoclonal antibody 19-9 class-switch variants.

Steplewski, Z, Spira, G, Blaszczyk, M, Lubeck, M D, Radbruch, A, Illges, H, ...

Three different monoclonal antibody isotypes, IgG1, IgG2b, and IgG2a, were derived by selection of isotype-switch variants from the CO-19-9 hybridoma. All three antibodies retained their binding...

Isolation of myeloma variants with predefined variant surface immunoglobulin by cell sorting.

Liesegang, B, Radbruch, A, Rajewsky, K

We describe a procedure for the isolation of somatic cell variants in which gene products are expressed on the cell surface that are not expressed in the wild type. Cloned cells of the myeloma line...

Rapid induction of transcription of unrearranged S gamma 1 switch regions in activated murine B cells by interleukin 4.

Esser, C, Radbruch, A

The distribution of immunoglobulin isotypes in activated B lymphocytes can be modulated by interleukin 4 (IL4), which enhances IgG1 and suppresses IgG3. We show here that IL4 induces transcription of...

A novel 34-kd protein co-isolated with the IgM molecule in surface IgM-expressing cells.

Hombach, J, Leclercq, L, Radbruch, A, Rajewsky, K, Reth, M

Plasmacytoma cells, transfected with a vector encoding a membrane-bound IgM molecule, do not show cell surface IgM expression, although complete IgM molecules are assembled intracellularly. The...

Immunoglobulin V region variants in hybridoma cells. I. Isolation of a variant with altered idiotypic and antigen binding specificity.

Brüggemann, M, Radbruch, A, Rajewsky, K

The hybridoma cell line B1-8.delta 1 expresses an IgD antibody with specificity for the hapten 4-hydroxy-3-nitro-phenylacetyl (NP). Two monoclonal antibodies, each recognizing an idiotypic...

Immunoglobulin V region variants in hybridoma cells. II. Recombination between V genes.

Dildrop, R, Brüggemann, M, Radbruch, A, Rajewsky, K, Beyreuther, K

The mouse hybridoma line B1-8.delta 1 secretes a monoclonal IgD, lambda 1 anti-(4-hydroxy-3-nitrophenyl)acetyl (NP) antibody with defined idiotypic determinants. Two spontaneous V-region variants...

Directed Ig class switch recombination in activated murine B cells.

Winter, E, Krawinkel, U, Radbruch, A

Immunoglobulin class switch recombination occurs at frequencies of up to 10%/cell/generation in activated murine B-lymphocytes. We analysed cH gene rearrangements and switch recombinations from...

Ig gene rearrangement and expression in the progeny of B-cell progenitors in the course of clonal expansion in bone marrow cultures.

Yoshida, N, Radbruch, A, Rajewsky, K

In cultures of murine bone marrow cells colonies of 10(3)-10(4) cells were identified which consisted to a large part of pre-B and B cells. Cell mixing experiments with genetically marked cells...

Members of novel VH gene families are found in VDJ regions of polyclonally activated B-lymphocytes.

Winter, E, Radbruch, A, Krawinkel, U

Four potentially productive and two non-productive VDJ gene segments were isolated from the DNA of mouse B-lymphocytes which had been polyclonally activated by bacterial lipopolysaccharide (LPS)....

Deletion of Cmu genes in mouse B lymphocytes upon stimulation with LPS.

Radbruch, A, Sablitzky, F

Mouse B lymphocytes can be activated polyclonally by bacterial lipopolysaccharide (LPS) to differentiate into plasmablasts. Within several days many cells perform immunoglobulin (Ig) class switching...

Deletion of the IgH enhancer does not reduce immunoglobulin heavy chain production of a hybridoma IgD class switch variant.

Klein, S, Sablitzky, F, Radbruch, A

Immunoglobulin (Ig) gene promotors are active only in cells of the B-lymphocyte lineage. Transfection experiments have shown that this is due in part to tissue specific 'activating' DNA sequences, so...

Molecular components of the B cell antigen receptor complex of class IgD differ partly from those of IgM.

Wienands, J, Hombach, J, Radbruch, A, Riesterer, C, Reth, M

Two classes of immunoglobulin, IgM and IgD, are present as antigen receptors on the surface of mature B lymphocytes. We show here that IgD molecules are noncovalently associated in the B cell...

Analysis and sorting of live cells according to secreted molecules, relocated to a cell-surface affinity matrix.

Manz, R, Assenmacher, M, Pflüger, E, Miltenyi, S, Radbruch, A

We have developed a technology for analysis and sorting of live cells according to secreted molecules. An artificial affinity matrix, specific for the secreted product of interest, is created on the...

DNA methylation profiles in the human genes for tumor necrosis factors alpha and beta in subpopulations of leukocytes and in leukemias.

Kochanek, S, Radbruch, A, Tesch, H, Renz, D, Doerfler, W

The genomic sequencing technique has been applied to assess the state of methylation in the DNA from human leukocyte subpopulations from healthy individuals and in the DNA from several individuals...

Evidence for transient requirement of the IgH enhancer.

Klein, S, Gerster, T, Picard, D, Radbruch, A, Schaffner, W

A transcriptional enhancer is thought to play a major role in determining tissue-specific expression of the immunoglobulin heavy chain (IgH) gene (1-3). However in three B-lymphoid cell lines the Ig...

Class switch recombination is IgG1 specific on active and inactive IgH loci of IgG1-secreting B-cell blasts.

Radbruch, A, Müller, W, Rajewsky, K

Mouse B lymphocytes can be activated polyclonally by bacterial lipopolysaccharide (LPS) to secrete Ig and perform Ig class switch. In the presence of the T-cell lymphokine B-cell differentiation...

Isolation of variants of mouse myeloma X63 that express changed immunoglobulin class.

Radbruch, A, Liesegang, B, Rajewsky, K

We have used fluorescence-activated cell sorting with class-specific antisera to isolate spontaneous variants in the expression of immunoglobulin heavy chain class from the mouse myeloma cell line...

Recombination between antibody heavy chain variable-region genes: evidence for gene conversion.

Krawinkel, U, Zoebelein, G, Brüggemann, M, Radbruch, A, Rajewsky, K

The murine hybridoma line B1-8.delta 1 secretes monoclonal IgD lambda 1 antibodies specific for the hapten (4-hydroxy-3-nitrophenyl)acetyl (NP). The variable (V) region of these antibodies is defined...

Isolation and characterization of anti-monosialoganglioside monoclonal antibody 19-9 class-switch variants.

Steplewski, Z, Spira, G, Blaszczyk, M, Lubeck, M D, Radbruch, A, Illges, H, ...

Three different monoclonal antibody isotypes, IgG1, IgG2b, and IgG2a, were derived by selection of isotype-switch variants from the CO-19-9 hybridoma. All three antibodies retained their binding...

Isolation of myeloma variants with predefined variant surface immunoglobulin by cell sorting.

Liesegang, B, Radbruch, A, Rajewsky, K

We describe a procedure for the isolation of somatic cell variants in which gene products are expressed on the cell surface that are not expressed in the wild type. Cloned cells of the myeloma line...

Rapid induction of transcription of unrearranged S gamma 1 switch regions in activated murine B cells by interleukin 4.

Esser, C, Radbruch, A

The distribution of immunoglobulin isotypes in activated B lymphocytes can be modulated by interleukin 4 (IL4), which enhances IgG1 and suppresses IgG3. We show here that IL4 induces transcription of...

A novel 34-kd protein co-isolated with the IgM molecule in surface IgM-expressing cells.

Hombach, J, Leclercq, L, Radbruch, A, Rajewsky, K, Reth, M

Plasmacytoma cells, transfected with a vector encoding a membrane-bound IgM molecule, do not show cell surface IgM expression, although complete IgM molecules are assembled intracellularly. The...

Molecular components of the B cell antigen receptor complex of class IgD differ partly from those of IgM.

Wienands, J, Hombach, J, Radbruch, A, Riesterer, C, Reth, M

Two classes of immunoglobulin, IgM and IgD, are present as antigen receptors on the surface of mature B lymphocytes. We show here that IgD molecules are noncovalently associated in the B cell...

Immunoglobulin V region variants in hybridoma cells. I. Isolation of a variant with altered idiotypic and antigen binding specificity.

Brüggemann, M, Radbruch, A, Rajewsky, K

The hybridoma cell line B1-8.delta 1 expresses an IgD antibody with specificity for the hapten 4-hydroxy-3-nitro-phenylacetyl (NP). Two monoclonal antibodies, each recognizing an idiotypic...

Immunoglobulin V region variants in hybridoma cells. II. Recombination between V genes.

Dildrop, R, Brüggemann, M, Radbruch, A, Rajewsky, K, Beyreuther, K

The mouse hybridoma line B1-8.delta 1 secretes a monoclonal IgD, lambda 1 anti-(4-hydroxy-3-nitrophenyl)acetyl (NP) antibody with defined idiotypic determinants. Two spontaneous V-region variants...

Directed Ig class switch recombination in activated murine B cells.

Winter, E, Krawinkel, U, Radbruch, A

Immunoglobulin class switch recombination occurs at frequencies of up to 10%/cell/generation in activated murine B-lymphocytes. We analysed cH gene rearrangements and switch recombinations from...

Ig gene rearrangement and expression in the progeny of B-cell progenitors in the course of clonal expansion in bone marrow cultures.

Yoshida, N, Radbruch, A, Rajewsky, K

In cultures of murine bone marrow cells colonies of 10(3)-10(4) cells were identified which consisted to a large part of pre-B and B cells. Cell mixing experiments with genetically marked cells...

Members of novel VH gene families are found in VDJ regions of polyclonally activated B-lymphocytes.

Winter, E, Radbruch, A, Krawinkel, U

Four potentially productive and two non-productive VDJ gene segments were isolated from the DNA of mouse B-lymphocytes which had been polyclonally activated by bacterial lipopolysaccharide (LPS)....

Deletion of Cmu genes in mouse B lymphocytes upon stimulation with LPS.

Radbruch, A, Sablitzky, F

Mouse B lymphocytes can be activated polyclonally by bacterial lipopolysaccharide (LPS) to differentiate into plasmablasts. Within several days many cells perform immunoglobulin (Ig) class switching...

Deletion of the IgH enhancer does not reduce immunoglobulin heavy chain production of a hybridoma IgD class switch variant.

Klein, S, Sablitzky, F, Radbruch, A

Immunoglobulin (Ig) gene promotors are active only in cells of the B-lymphocyte lineage. Transfection experiments have shown that this is due in part to tissue specific 'activating' DNA sequences, so...

Response to methotrexate in early rheumatoid arthritis is associated with a decrease of T cell derived tumour necrosis factor α, increase of interleukin 10, and predicted by the initial concentration of interleukin 4

Rudwaleit, M., Yin, Z., Siegert, S., Grolms, M., Radbruch, A., Braun, J., ...

OBJECTIVE—This study was performed to assess whether there is any change in the T cell cytokine pattern in early rheumatoid arthritis (RA) patients treated with methotrexate (MTX) and whether the...

Low T cell production of TNFα and IFNγ in ankylosing spondylitis: its relation to HLA-B27 and influence of the TNF-308 gene polymorphism

Rudwaleit, M, Siegert, S, Yin, Z, Eick, J, Thiel, A, Radbruch, A, ...

OBJECTIVE—To test the hypothesis that ankylosing spondylitis (AS) is a T helper cell type 2 polarised disease by quantifying the T cell cytokines interferon γ (IFNγ), interleukin 4 (IL4),...

Perturbations of peripheral B lymphocyte homoeostasis in children with systemic lupus erythematosus

Odendahl, M, Keitzer, R, Wahn, U, Hiepe, F, Radbruch, A, Dorner, T, ...

Objective: To investigate the distribution of peripheral B cell subpopulations of children with active and inactive systemic lupus erythematosus (SLE) compared with healthy controls.