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Updated: Jun 3, 2025

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Development of Stem Cell-derived Antigen-specific Regulatory T Cells Against Autoimmunity
Published on: November 8, 2016
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UTX Coordinates TCF1 and STAT3 to Control Progenitor CD8+ T cell Fate in Autoimmune Diabetes
Biorxiv : the Preprint Server for Biology
|January 7, 2025
Summary
The epigenetic regulator UTX drives Type 1 Diabetes (T1D) by enabling progenitor CD8+ T cells to become harmful effectors. Inhibiting UTX protects mice from T1D, suggesting a new therapeutic target.
Area of Science:
- Immunology
- Endocrinology
- Epigenetics
Background:
- Type 1 Diabetes Mellitus (T1D) involves autoimmune destruction of pancreatic beta cells.
- Progenitor CD8+ T cells (Tprog) mediate the persistent autoimmune attack in T1D.
- The factors driving Tprog conversion to cytolytic effectors in T1D are not fully understood.
Purpose of the Study:
- To investigate the role of the epigenetic regulator UTX in CD8+ Tprog differentiation in T1D.
- To determine if UTX inhibition can prevent or treat autoimmune diabetes.
Main Methods:
- Utilized mouse models of spontaneous and induced autoimmune diabetes.
- Genetically deleted UTX function in T cells.
- Administered the UTX inhibitor GSKJ4 short-term.
- Analyzed T cell differentiation and diabetogenic potential.
Main Results:
- UTX deletion in T cells impaired Tprog conversion to autoimmune effectors.
- UTX-deficient T cells protected mice from spontaneous and anti-PD1-induced diabetes.
- GSKJ4 treatment also conferred protection against T1D.
- UTX epigenetically controls chromatin states for effector cell transition.
Conclusions:
- UTX is a critical regulator of diabetogenic CD8+ Tprog differentiation.
- Targeting UTX offers a potential therapeutic strategy for Type 1 Diabetes.
- Inhibiting UTX can break the unremitting autoimmune response in T1D.
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