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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Baker, Rocky L. Barbour, Gene Wiles, Timothy A. Delong, Thomas Haskins, Kathryn Bradley, Brenda Lindsay, Robin S. Friedman, Rachel S. |
| Description | Author Affiliation: Baker RL ( Department of Immunology and Microbiology, University of Colorado School of Medicine at Denver, Aurora, CO 80045); Bradley B ( Department of Immunology and Microbiology, University of Colorado School of Medicine at Denver, Aurora, CO 80045); Wiles TA ( Department of Immunology and Microbiology, University of Colorado School of Medicine at Denver, Aurora, CO 80045); Lindsay RS ( Department of Immunology and Microbiology, University of Colorado School of Medicine at Denver, Aurora, CO 80045); Barbour G ( Department of Immunology and Microbiology, University of Colorado School of Medicine at Denver, Aurora, CO 80045); Delong T ( Department of Immunology and Microbiology, University of Colorado School of Medicine at Denver, Aurora, CO 80045); Friedman RS ( Department of Immunology and Microbiology, University of Colorado School of Medicine at Denver, Aurora, CO 80045); Haskins K ( Department of Immunology and Microbiology, University of Colorado School of Medicine at Denver, Aurora, CO 80045) |
| Abstract | T cells reactive to ß cell Ags are critical players in the development of autoimmune type 1 diabetes. Using a panel of diabetogenic CD4 T cell clones derived from the NOD mouse, we recently identified the ß cell secretory granule protein, chromogranin A (ChgA), as a new autoantigen in type 1 diabetes. CD4 T cells reactive to ChgA are pathogenic and rapidly transfer diabetes into young NOD recipients. We report in this article that NOD.ChgA(-/-) mice do not develop diabetes and show little evidence of autoimmunity in the pancreatic islets. Using tetramer analysis, we demonstrate that ChgA-reactive T cells are present in these mice but remain naive. In contrast, in NOD.ChgA(+/+) mice, a majority of the ChgA-reactive T cells are Ag experienced. Our results suggest that the presence of ChgA and subsequent activation of ChgA-reactive T cells are essential for the initiation and development of autoimmune diabetes in NOD mice. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| Journal | The Journal of Immunology |
| Issue Number | 1 |
| Volume Number | 196 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2016-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Autoantigens Immunology Cd4-positive T-lymphocytes Chromogranin A Genetics Diabetes Mellitus, Type 1 Adoptive Transfer Animals Autoimmunity B-lymphocytes Transplantation Cd8-positive T-lymphocytes Cells, Cultured Flow Cytometry Islets Of Langerhans Mice Mice, Inbred Balb C Mice, Inbred C57bl Mice, Inbred Nod Mice, Knockout Microsatellite Repeats 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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