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July 30, 2026The Journal of Immunology

Therapeutic treatment with a single CD4+ T cell epitope containing PLGA nanoparticles reverses CD8+ T Cell induced Type I Diabetes 2260609

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Authors

ACAndrew CogswellTNTobias NeefMCMing-Yi Chiang

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Overview

Randomized trial demonstrates regulation of CD8+ T cell responses in Type I Diabetes, suggesting a novel therapeutic approach.

Key Points

  • This research aims to explore how CD4+ T cell epitope-loaded PLGA nanoparticles affect CD8+ T cells in Type I Diabetes.
  • Utilized the RIP-mOVA mouse model of Type I Diabetes.
  • Administered a single dose of CNP-OVA323 targeting CD4+ T cell epitopes.
  • Tracked CD8+ T cell responses and dysglycemia over time.
  • CNP-OVA323 treatment reversed dysglycemia for up to 9 weeks post dosing.
  • Secondary dysglycemia developed in treated mice, linked to beta cell death from IFN-γ.
  • Inclusion of spread epitopes in a second dose inhibited secondary dysglycemia.

Cite This Study

Cogswell et al. (2026) studied this question.

synapsesocial.com/papers/6a6af50460e2b924d3ea089chttps://doi.org/10.1093/jimmun/vkag141.949
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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 PLGA nanoparticles containing a single CD4+ epitope reverses CD8+ T cell-induced type I diabetes disease progression 33032025
  2. 2Therapeutic antigen-specific PLGA nanoparticles tolerance induces detectable changes in the spleen, blood, and disease-associate tissue 22609042026
  3. 31194-OR: Therapeutic CNP-T1D Treatment Induces Reversal of Dysglycemia in NOD Mice2026
  4. 4Antigen-specific immunotherapy with a CD4+ T cell neoepitope restrains CD8+ T cell differentiation in murine pancreatic islet grafts2026
  5. 5STING and IFNalpha/beta receptor are required for antigen-specific apoptotic cell-induced peripheral tolerance 31522025