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Updated: Jun 9, 2025

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells
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Immunomodulatory Functions of TNF-Related Apoptosis-Inducing Ligand in Type 1 Diabetes

Marton Fogarasi1, Simona Dima1,2

  • 1Center of Excellence in Translational Medicine, Fundeni Clinical Institute, 022328 Bucharest, Romania.

Cells
|October 25, 2024
PubMed

Insights

Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) reduces T-cell proliferation and pancreatic inflammation, offering a protective effect against type 1 diabetes (T1D). TRAIL

Area of Science:

  • Immunology
  • Endocrinology
  • Molecular Biology

Background:

  • Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is a TNF superfamily member with dual roles in apoptosis induction and pro-survival signaling.
  • Type 1 diabetes (T1D) is an autoimmune disease driven by T-cell-mediated pancreatic islet inflammation and β-cell destruction.
  • TRAIL is increasingly recognized for its immunomodulatory functions, including roles in immunoregulation and immune effector activities.

Purpose of the Study:

  • To review the multifaceted roles of TRAIL in the context of type 1 diabetes.
  • To elucidate TRAIL's signaling mechanisms and its impact on immune system components relevant to T1D.
  • To summarize experimental evidence supporting TRAIL's protective effects on pancreatic islets in T1D models.

Main Methods:

  • Literature review of studies investigating TRAIL's function in immunology and autoimmune diseases.
  • Analysis of experimental data from animal models of T1D examining TRAIL's therapeutic potential.
  • Discussion of TRAIL's signaling pathways and interactions within the immune system.

Main Results:

  • TRAIL demonstrates protective effects against T1D in preclinical models.
  • TRAIL administration reduces the proliferation of diabetogenic T cells, mitigating pancreatic islet inflammation.
  • TRAIL intervention has been shown to restore normoglycemia in animal models of T1D.

Conclusions:

  • TRAIL emerges as a significant immunomodulatory molecule with therapeutic potential for type 1 diabetes.
  • TRAIL's ability to suppress diabetogenic T cells and reduce islet inflammation underlies its protective effects.
  • Further investigation into TRAIL's mechanisms could lead to novel strategies for T1D management.
Keywords:
T cellsTRAILapoptosisautoimmunityimmunoregulationtype 1 diabetes

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