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| Content Provider | PubMed Central |
|---|---|
| Author | Hendriks, Jenny Xiao, Yanling Borst, Jannie |
| Abstract | CD27, like CD28, acts in concert with the T cell receptor to support T cell expansion. Using CD27−/− mice, we have shown earlier that CD27 determines the magnitude of primary and memory T cell responses to influenza virus. Here, we have examined the relative contributions of CD27 and CD28 to generation of the virus-specific effector T cell pool and its establishment at the site of infection (the lung), using CD27−/−, CD28−/−, and CD27/CD28−/− mice. We find that primary and memory CD8+ T cell responses to influenza virus are dependent on the collective contribution of both receptors. In the primary response, CD27 and CD28 impact to a similar extent on expansion of virus-specific T cells in draining lymph nodes. CD27 is the principle determinant for accumulation of virus-specific T cells in the lung because it can sustain this response in CD28−/− mice. Unlike CD28, CD27 does not affect cell cycle activity, but promotes survival of activated T cells throughout successive rounds of division at the site of priming and may do so at the site of infection as well. CD27 was found to rescue CD28−/− T cells from death at the onset of division, explaining its capacity to support a T cell response in absence of CD28. |
| Related Links | http://dx.doi.org/10.1084/jem.20030916 |
| Ending Page | 1380 |
| Page Count | 12 |
| Starting Page | 1369 |
| File Format | |
| ISSN | 00221007 |
| e-ISSN | 15409538 |
| Journal | The Journal of Experimental Medicine |
| Issue Number | 9 |
| Volume Number | 198 |
| Language | English |
| Publisher | The Rockefeller University Press |
| Publisher Date | 2003-11-03 |
| Access Restriction | Open |
| Rights Holder | The Rockefeller University Press |
| Subject Keyword | Immunology Immunology and Allergy Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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