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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Clare-salzer, M. Bahjat, K. S. Naumov, Y. N. Gausling, R. Strominger, J. L. Exley, M. A. Balk, S. B. Abraham, R. Koezuka, Y. Wilson, S. B. |
| Description | Author Affiliation: Naumov YN ( Cancer Immunology and AIDS, Dana-Farber Cancer Institute, Boston, MA 02115, USA.); |
| Abstract | CD1d-restricted invariant NKT (iNKT) cells are immunoregulatory cells whose loss exacerbates diabetes in nonobese diabetic (NOD) female mice. Here, we show that the relative numbers of iNKT cells from the pancreatic islets of NOD mice decrease at the time of conversion from peri-insulitis to invasive insulitis and diabetes. Conversely, NOD male mice who have a low incidence of diabetes showed an increased frequency of iNKT cells. Moreover, administration of alpha-galactosylceramide, a potent activating ligand presented by CD1d, ameliorated the development of diabetes in NOD female mice and resulted in the accumulation of iNKT cells and myeloid dendritic cells (DC) in pancreatic lymph nodes (PLN), but not in inguinal lymph nodes. Strikingly, injection of NOD female mice with myeloid DC isolated from the PLN, but not those from the inguinal lymph nodes, completely prevented diabetes. Thus, the immunoregulatory role of iNKT cells is manifested by the recruitment of tolerogenic myeloid DC to the PLN and the inhibition of ongoing autoimmune inflammation. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 24 |
| Volume Number | 98 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2001-11-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Antigens, CD1 Immunology Dendritic Cells Diabetes Mellitus, Type 1 Killer Cells, Natural Lymphocyte Activation T-Lymphocytes Animals Antigens, CD1d Chemotaxis, Leukocyte Drug Effects Physiopathology Prevention & Control Disease Progression Galactosylceramides Pharmacology Islets Of Langerhans Cytology Lymph Nodes Mice Mice, Inbred NOD Pancreas Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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