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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kallenbach, S. Fanton D'andon, M. Rougeon, F. Doyen, N. |
| Description | Author Affiliation: Kallenbach S ( Département d'Immunologie, Institut Pasteur, Paris, France.); |
| Abstract | The somatic diversity immunoglobulin and T-cell receptor diversity is largely provided by the junctional variation created during site-specific rearrangement of separately encoded gene segments. Using a transient transfection assay, we demonstrate that the recombination activating genes Rag1 and Rag2 direct site-specific rearrangement on an artificial substrate in poorly differentiated as well as in differentiated nonlymphoid cell lines. In addition to a high frequency of precise recombination events, coding joints show deletions and more rarely P-nucleotide insertions, reminiscent of immunoglobulin and T-cell receptor junctions found in fetal tissues. N-region insertions, which are characteristic of adult junctional diversity, are obtained at high frequency upon transfection of a terminal deoxynucleotidyltransferase expression vector together with Rag1 and Rag2. These results show that only three lymphoid-specific factors are needed to generate all types of junctional diversity observed during lymphoid development. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 7 |
| Volume Number | 89 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1992-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | DNA Nucleotidylexotransferase Genetics DNA-Binding Proteins Gene Rearrangement, B-Lymphocyte Gene Rearrangement, T-Lymphocyte Genes, Immunoglobulin Homeodomain Proteins Proteins Physiology Receptors, Antigen, T-Cell Recombination, Genetic 3T3 Cells Animals Mice Transfection Research Support, Non-U.S. Gov't Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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