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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Gunther, Cary S. Gaasterland, Terry Roeder, Robert G. Ren, Xiaodi Kim, Unkyu Siegel, Rachael |
| Description | Author Affiliation: Kim U ( Laboratory of Biochemistry and Molecular Biology, The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.); |
| Abstract | The tissue-specific transcriptional coactivator OCA-B is required for antigen-dependent B cell differentiation events, including germinal center formation. However, the identity of OCA-B target genes involved in this process is unknown. This study has used large-scale cDNA arrays to monitor changes in gene expression patterns that accompany mature B cell differentiation. B cell receptor ligation alone induces many genes involved in B cell expansion, whereas B cell receptor and helper T cell costimulation induce genes associated with B cell effector function. OCA-B expression is induced by both B cell receptor ligation alone and helper T cell costimulation, suggesting that OCA-B is involved in B cell expansion as well as B cell function. Accordingly, several genes involved in cell proliferation and signaling, such as Lck, Kcnn4, Cdc37, cyclin D3, B4galt1, and Ms4a11, have been identified as OCA-B-dependent genes. Further studies on the roles played by these genes in B cells will contribute to an understanding of B cell differentiation. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 15 |
| Volume Number | 100 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2003-07-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | B-Lymphocytes Cytology Metabolism Potassium Channels, Calcium-Activated Trans-Activators Genetics Animals Antigens Cell Differentiation Cell Division Cells, Cultured DNA, Complementary Gene Expression Profiling Intermediate-Conductance Calcium-Activated Potassium Channels Lymphocyte Activation Lymphocyte Specific Protein Tyrosine Kinase P56(lck) Mice Mice, Knockout Oligonucleotide Array Sequence Analysis Potassium Channels Receptors, Antigen, B-Cell Signal Transduction T-Lymphocytes, Helper-Inducer Immunology Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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