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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Roberts, Natalie A. Marriott, Clare L. Desanti, Guillaume E. Lane, Peter J. L. Ross, Ewan A. White, Andrea J. Anderson, Graham Withers, David R. Mackley, Emma C. McConnell, Fiona M. Gaspal, Fabrina M. Flores-Langarica, Adriana |
| Description | Country affiliation: United kingdom Author Affiliation: Withers DR ( Medical Research Council Centre for Immune Regulation, Institute for Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom. d.withers@bham.ac.uk) |
| Abstract | Phylogeny shows that CD4 T cell memory and lymph nodes coevolved in placental mammals. In ontogeny, retinoic acid orphan receptor (ROR)γ-dependent lymphoid tissue inducer (LTi) cells program the development of mammalian lymph nodes. In this study, we show that although primary CD4 T cell expansion is normal in RORγ-deficient mice, the persistence of memory CD4 T cells is RORγ-dependent. Furthermore, using bone marrow chimeric mice we demonstrate that LTi cells are the key RORγ-expressing cell type sufficient for memory CD4 T cell survival in the absence of persistent Ag. This effect was specific for CD4 T cells, as memory CD8 T cells survived equally well in the presence or absence of LTi cells. These data demonstrate a novel role for LTi cells, archetypal members of the innate lymphoid cell family, in supporting memory CD4 T cell survival in vivo. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| DOI | 10.4049/jimmunol.1201639 |
| Journal | The Journal of Immunology |
| Issue Number | 5 |
| Volume Number | 189 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2012-09-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Immunologic Memory Lymphoid Tissue Immunology T-lymphocytes, Helper-inducer Adaptive Immunity Genetics Animals Cell Death Cell Survival Immunity, Innate Cytology Transplantation Lymphopenia Pathology Mice Mice, Inbred C57bl Mice, Knockout Mice, Transgenic Nuclear Receptor Subfamily 1, Group F, Member 3 Deficiency Radiation Chimera Research Support, Non-u.s. Gov't Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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