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The Programmed Death-1 (PD-1) Pathway Regulates Autoimmune Diabetes in Nonobese Diabetic (NOD) Mice

Open access
Ansari, Mohammed Javeed I., Salama, Alan D., Chitnis, Tanuja, Smith, R. Neal, Yagita, Hideo, Akiba, Hisaya, Yamazaki, Tomohide, Azuma, Miyuki, Iwai, Hideyuki, Khoury, Samia J., Auchincloss, Hugh, Sayegh, Mohamed H.·2003·The Journal of Experimental Medicine

Abstract

Programmed death-1 (PD-1) receptor, an inhibitory costimulatory molecule found on activated T cells, has been demonstrated to play a role in the regulation of immune responses and peripheral tolerance. We investigated the role of this pathway in the development of autoimmune diabetes. PD-1 or PD-L1 but not PD-L2 blockade rapidly precipitated diabetes in prediabetic female nonobese diabetic (NOD) mice regardless of age (from 1 to 10-wk-old), although it was most pronounced in the older mice. By contrast, cytotoxic T lymphocyte–associated antigen 4 (CTLA-4) blockade induced disease only in neonates. Male NOD mice also developed diabetes after PD-1–PD-L1 pathway blockade, but NOR mice, congenic to NOD but resistant to the development of diabetes, did not. Insulitis scores were significantly higher and frequency of interferon γ–producing GAD-reactive splenocytes was increased after PD-1–PD-L1 pathway blockade compared with controls. Interestingly, PD-L1 but not PD-L2 was found to be expressed on inflamed islets of NOD mice. These data demonstrate a central role for PD-1–PD-L1 interaction in the regulation of induction and progression of autoimmune diabetes in the NOD mouse and provide the rationale to develop new therapies to target this costimulatory pathway in this disease.

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Metadata

Authors
Ansari, M. J. I., Salama, A. D., Chitnis, T., Smith, R. N., Yagita, H., Akiba, H., Yamazaki, T., Azuma, M., Iwai, H., Khoury, S. J., Auchincloss, H., & Sayegh, M. H.
Venue
The Journal of Experimental Medicine
Published
2003-07-07
Volume
198
Issue
1
Pages
63-69
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2158840473
Cited by
814
References
5
FWCI
14.57
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The Programmed Death-1 (PD-1) Pathway Regulates Autoimmune Diabetes in Nonobese Diabetic (NOD) Mice. https://app.cochat.ai/papers/10.1084/jem.20022125
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Ansari, M. J. I., Salama, A. D., Chitnis, T., Smith, R. N., Yagita, H., Akiba, H., Yamazaki, T., Azuma, M., Iwai, H., Khoury, S. J., Auchincloss, H., & Sayegh, M. H. (2003). The Programmed Death-1 (PD-1) Pathway Regulates Autoimmune Diabetes in Nonobese Diabetic (NOD) Mice. The Journal of Experimental Medicine. https://doi.org/10.1084/jem.20022125

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.