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Smads are signal transducers for members of the transforming growth factor-beta (TGF-beta) superfamily. Upon ligand...
Mice deficient in various mismatch repair (MMR) enzymes were examined to determine whether this repair...
Cytofluorographic analysis of surface immunoglobulin (sIg) light chain clonal excess (CE), defined as (%kappa+ -...
The B cell lymphoma I.29 consists of a mixture of cells expressing membrane-bound immunoglobulin M...
Mismatch repair (MMR) proteins are important for antibody class-switch recombination (CSR), but their roles are...
B cells from mice deficient in mismatch repair (MMR) proteins show decreased ability to undergo...
Ig heavy chain class switch recombination (CSR) determines the expression of Ig isotypes. The molecular...
No abstract provided.
Previous studies have indicated that transcription of germ-line (GL) CH genes is necessary to obtain...
Somatic hypermutation and switch recombination of immunoglobulin genes require the activity of the activation-induced deaminase,...
Mismatch repair proteins participate in antibody class switch recombination, although their roles are unknown. Previous...
The heavy-chain switch from immunoglobulin M (IgM) expression to IgA expression is mediated by a...
Nucleotide substitutions are found in recombined Ig switch (S) regions and also in unrecombined (germline,...
Deficiencies of the Msh2 protein or the Smu tandem repeat (SmuTR) sequences each reduce isotype...
This review discusses evolution of the process of Ig heavy chain class switching, relating it...
Activation-induced deaminase (AID) is expressed only in germinal center B cells. There, it is required...
Interaction between CD40 on B cells and CD40 ligand (CD40L) on T cells has been...
Antibody class switching is achieved by recombinations between switch (S) regions which consist of tandemly...
The immunoglobulin heavy-chain switch is mediated by a recombination event between DNA switch regions associated...
The immunoglobulin (Ig) heavy (H) and light (L) chain gene rearrangements of the high incidence...
IgM+ cells cultured from the I.29 B cell lymphoma can be induced with lipopolysaccharide (LPS)...
TGF-beta1 directs class switching to IgA by splenic B cells and by the surface IgM+...
Transcription of unrearranged (germline) Ig heavy chain C region (C(H)) genes is required before Ab...
A large body of data indicate that antibody class switching is directed by cytokines by...
Ig isotype switching in B lymphocytes is preceded by transcription of the corresponding unrearranged, or...
H chain isotype switch recombination is preceded by the appearance of RNA initiating 5' of...
We describe the structure of the major germ line RNA transcribed from unrearranged immunoglobulin alpha...
Antibody class switching is mediated by a DNA recombination event that replaces the C mu...
Immunoglobulin heavy-chain switching is effected by recombination events between sites associated with tandemly repeated switch...
The structure of one of the V kappa gene-containing regions of the locus coding for...
Three different forms of alpha-chains are synthesized by BF0.3 and 615.2, two cloned cell lines...
Inbred mouse strains used for gene manipulation studies vary in many respects, including immune system...
Mouse splenic marginal zone (MZ) B cells and B1 B cells enriched in the peritoneal...
Ab class (isotype) switching allows the humoral immune system to adaptively respond to different infectious...
The structure-specific endonuclease ERCC1-XPF is an essential component of the nucleotide excision DNA repair pathway....
When B cells, the antibody producing cells of the body, encounter antigen they switch from...
Antibody class switching is regulated by transcription of unrearranged C(H) genes to produce germline (GL)...
Antibody class switching is induced by B-cell activators in the presence of cytokines. The identity...
Class switch DNA recombinations change the constant (C) region of the antibody heavy (H) chain...
Immunoglobulin class switch recombination (SR) occurs by a B cell-specific, intrachromosomal deletional process between switch...
Immunoglobulin heavy-chain switching is effected by a DNA recombination event that replaces the C mu...
The regulation of the synthesis of membrane-bound and secreted IgA was investigated in the murine...
To investigate the role of CD40 ligand in the delivery of help to B cells,...
The mechanisms that target class switch recombination (CSR) to antibody gene switch (S) regions are...
Immunoglobulin (Ig) class switch recombination (CSR) is initiated by activation-induced cytidine deaminase (AID), which converts...
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We have analyzed the structure of Ig kappa chain genes in B cell lines derived...
B cell-specific activator protein (BSAP)/Pax-5 is a paired domain DNA-binding protein expressed in the developing...
Transforming growth factor (TGF)-beta1 directs class switch recombination (CSR) to IgG2b as well as to...
Signal transducer and activator of transcription 6 (Stat6) and NF-kappaB are widely distributed transcription factors...
Germ-line (GL) alpha transcription can be induced in mouse splenic B cells by LPS and...
Immunogloblin class switch recombination (CSR) is a regulated process that changes antibody effector functions. Recently,...
Before Ig class switching, RNA transcription through the specific S regions undergoing recombination is induced...
Inasmuch as transcription of unrearranged, or germ-line, Ig CH genes appears to direct switch recombination,...
Induction of germline (GL) epsilon transcripts, an essential step preceding Ig isotype switching to IgE,...
In an attempt to more fully understand the generation of antibody diversity to carbohydrate (CHO)...
The I.29 B cell lymphoma consists of IgM+ and IgA+ cells which express the same...
Class switch recombination (CSR) occurs by an intrachromosomal deletion whereby the IgM constant region gene...
Antibody class switch recombination (CSR) occurs after antigen activation of B cells. CSR is directed...
Ab class switching is induced upon B cell activation in vivo by immunization or infection...
Antibodies of the immunoglobulin G1 class are induced in mice by T-cell-dependent antigens but not...
Previous studies suggest that heavy chain isotype switch (S) recombination is directed by cytokine-induced transcription...
It has recently been postulated that immunoglobulin class switching is preceded by transcription from unrearranged...
The molecular basis of a human immunoglobulin deficiency characterized by the complete absence of kappa...
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The murine B cell lymphoma I.29 contains cells expressing surface IgM or IgA with identical...
We investigated the genetic organization and evolutionary origin of t chromosomes of mice by examining...
We have compared the synthesis and processing of immunoglobulin alpha chains in two murine cell...
Considerable evidence has accumulated suggesting that the antigen receptor(s) on T cells is coded for...
RNA tumor virus-specific DNA in cells can be detected by its capacity to 1) alter...
The HL-60 cell line, established from a patient with acute promyelocytic leukemia, can be induced...
The mechanism underlying the differential regulation of switching to human IgG subclasses is still largely...
RNA blotting was employed to examine polyadenylated immunoglobulin alpha chain RNAs in a B lymphoma...
To provide further support of the B-cell lineage of "common" acute lymphoblastic leukemia (ALL), we...