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November 1, 2025The Journal of ImmunologyOpen Access

Therapeutic treatment with PLGA nanoparticles containing a single CD4+ epitope reverses CD8+ T cell-induced type I diabetes disease progression 3303

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Authors

ACAndrew C. CogswellMCMing-Yi ChiangTNTobias Neef

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Overview

Treatment lowers blood sugar in type I diabetes, suggesting PLGA nanoparticles may improve autoimmune disease outcomes.

Key Points

  • To investigate how PLGA nanoparticles containing a CD4+ epitope affect CD8+ T cell activity in type I diabetes.
  • Used NOD mice to evaluate the effect of TIMPs on immune response.
  • Administered TIMP-OVA323 to modulate CD8+ T cell function.
  • Assessed blood sugar levels after treatment for signs of euglycemia.
  • TIMP-OVA323 treatment restored blood sugar levels to euglycemia for approximately 9 weeks.
  • Increased regulatory marker expression on CD4+ and CD8+ T cells.
  • Triggered a decrease in T cell presence in the pancreas.

Cite This Study

Cogswell et al. (2025) studied this question.

synapsesocial.com/papers/69254f8ec0ce034ddc359877https://doi.org/10.1093/jimmun/vkaf283.1119
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Therapeutic treatment with a single CD4+ T cell epitope containing PLGA nanoparticles reverses CD8+ T Cell induced Type I Diabetes 22606092026
  2. 2Therapeutic antigen-specific PLGA nanoparticles tolerance induces detectable changes in the spleen, blood, and disease-associate tissue 22609042026
  3. 3Antigen-specific immunotherapy with a CD4+ T cell neoepitope restrains CD8+ T cell differentiation in murine pancreatic islet grafts2026
  4. 4Regulatory CD4+ T cells redirected against pathogenic CD8+ T cells protect NOD mice from development of autoimmune diabetes2024 · 4 citations
  5. 5Anti-CD3 mAb treatment reshapes CD8+ T cells in the islets in autoimmune diabetes 41442025