ArticleDiabetologia2015
PD-1-dependent restoration of self-tolerance in the NOD mouse model of diabetes after transient anti-TCRβ mAb therapy.
Article in Diabetologia, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Reversing Dysfunction of CCR9Diabetes, metabolic syndrome and obesity : targets and therapy · 2026Article
- Anti-TCRβ mAb in Combination With Neurogenin3 Gene Therapy Reverses Established Overt Type 1 Diabetes in Female NOD Mice.Endocrinology · 2017Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
aims/hypothesisT cells play a major role in the pathogenesis of type 1 diabetes, and there is great interest in developing curative immunotherapies targeting these cells. In this study, a monoclonal antibody (mAb) targeting the T cell receptor β-chain (TCRβ) was investigated for its ability to prevent and reverse disease in mouse models of diabetes.
methodsRIP-OVA(hi) (C57BL/6-Tg(Ins2-OVA)59Wehi/WehiJ) mice adoptively transferred with ovalbumin-specific T cells (an induced model of diabetes) and NOD mice (a spontaneous model of diabetes) were used to test anti-TCRβ mAb therapy as a means of preventing and reversing type 1 diabetes.
resultsA single dose of anti-TCRβ completely prevented disease in RIP-OVA(hi) mice without inducing the release of inflammatory cytokines. Transient anti-TCRβ therapy prevented diabetes in 90% of NOD mice and reversed the disease after its onset in 73% of NOD mice. Long after the remission of type 1 diabetes, the anti-TCRβ treated mice were able to reject BALB/c skin allografts with normal kinetics while maintaining normoglycaemia. Treatment did not cause significant reductions in lymphocyte numbers in the spleen or pancreatic lymph nodes, but did result in a decreased percentage of chemokine receptor 9 (CCR9) positive, CD8(+) T cells. Notably, anti-TCRβ therapy increased the expression of programmed death 1 (PD-1) on the surface of the T cells; PD-1 expression is important for maintaining anti-TCRβ-induced self-tolerance, as type 1 diabetes recurs in mice following a blockade of PD-1 signalling. CONCLUSIONS/
interpretationAnti-TCRβ mAb is a safe and effective immunotherapy that results in reduced numbers of CCR9(+) T cells, an increased expression of PD-1 on T cells and the restoration of self-tolerance in NOD mice.
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