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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Stanford, Stephanie M. Cheung, Jocelyn Bottini, Nunzio Sherman, Linda A. Hamilton-Williams, Emma E. Maine, Christian J. Wicker, Linda S. |
| Description | Country affiliation: United States Author Affiliation: Maine CJ ( Department of Immunology and Microbial Sciences, The Scripps Research Institute, La Jolla, CA 92037, USA.) |
| Abstract | PTPN22 encodes a tyrosine phosphatase that inhibits Src-family kinases responsible for Ag receptor signaling in lymphocytes and is strongly linked with susceptibility to a number of autoimmune diseases. As strength of TCR signal is critical to the thymic selection of regulatory T cells (Tregs), we examined the effect of murine PTPN22 deficiency on Treg development and function. In the thymus, numbers of pre-Tregs and Tregs increased inversely with the level of PTPN22. This increase in Tregs persisted in the periphery and could play a key part in the reduced severity observed in the PTPN22-deficient mice of experimental autoimmune encephalomyelitis, a mouse model of multiple sclerosis. This could explain the lack of association of certain autoimmune conditions with PTPN22 risk alleles. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| DOI | 10.4049/jimmunol.1200150 |
| Journal | The Journal of Immunology |
| Issue Number | 11 |
| Volume Number | 188 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2012-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Encephalomyelitis, Autoimmune, Experimental Enzymology Immunology Protein Tyrosine Phosphatase, Non-receptor Type 22 Physiology T-lymphocytes, Regulatory Thymus Gland Animals Pathology Mice Mice, Inbred C57bl Mice, Knockout Multiple Sclerosis Biosynthesis Deficiency Up-regulation 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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