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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Gratz, Iris K. Lee, Karim Rosenblum, Michael D. Yang, Sara Hsin-Yi Truong, Hong-An Abbas, Abul K. Maurano, Megan M. |
| Description | Country affiliation: United States Author Affiliation: Gratz IK ( Department of Dermatology, University of California San Francisco, San Francisco, CA 94143, USA.) |
| Abstract | Thymic Foxp3-expressing regulatory T cells are activated by peripheral self-antigen to increase their suppressive function, and a fraction of these cells survive as memory regulatory T cells (mTregs). mTregs persist in nonlymphoid tissue after cessation of Ag expression and have enhanced capacity to suppress tissue-specific autoimmunity. In this study, we show that murine mTregs express specific effector memory T cell markers and localize preferentially to hair follicles in skin. Memory Tregs express high levels of both IL-2R and IL-7R . Using a genetic-deletion approach, we show that IL-2 is required to generate mTregs from naive CD4(+) T cell precursors in vivo. However, IL-2 is not required to maintain these cells in the skin and skin-draining lymph nodes. Conversely, IL-7 is essential for maintaining mTregs in skin in the steady state. These results elucidate the fundamental biology of mTregs and show that IL-7 plays an important role in their survival in skin. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| DOI | 10.4049/jimmunol.1300212 |
| Journal | The Journal of Immunology |
| Issue Number | 9 |
| Volume Number | 190 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2013-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Immunologic Memory Immunology Interleukin-2 Receptor Alpha Subunit Receptors, Interleukin-7 T-lymphocytes, Regulatory Animals Antigens Autoimmunity Cd4-positive T-lymphocytes Hair Follicle Lymph Nodes Mice Mice, Inbred Balb C Skin Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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