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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Siegel, R. M. Katsumata, M. Reed, J. C. Tsujimoto, Y. Nowell, P. C. Greene, M. I. Miyashita, T. Louie, D. C. |
| Description | Author Affiliation: Katsumata M ( Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia 19104-6082.); |
| Abstract | We have produced bcl-2 transgenic mice by using a construct which mimics the t(14;18) translocation in human follicular lymphomas. Although lymphoid tissues from all transgenic mice contained high levels of human Bcl-2 protein, transgene expression was differentially regulated within the B- and T-cell compartments of lines derived from various founder mice. We have characterized the phenotypes of two lines of bcl-2 transgenic mice (line 2 and line 6) in which bcl-2 transgene expression was restricted primarily to the T- or B-cell lineages, respectively. Analysis of line 6 lymphocytes revealed a polyclonal expansion of B cells, and these B cells exhibited prolonged survival in vitro. In line 2 mice, numbers of T cells in the peripheral lymphoid tissues were more moderately elevated despite enhanced T-cell survival in vitro. Line 2 transgenic mice also showed significantly increased proportions of thymocytes with a mature phenotype. Taken together, these findings suggest different roles for bcl-2 in the in vivo regulation of B- and T-cell development and homeostasis. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 23 |
| Volume Number | 89 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1992-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | B-Lymphocytes Cytology Proto-Oncogene Proteins Genetics T-Lymphocytes Animals Physiology Cell Survival Gene Expression Hematopoiesis Lymph Nodes Mice Mice, Transgenic Proto-Oncogene Proteins C-bcl-2 Spleen 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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