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Updated: May 2, 2026
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Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells
Published on: May 6, 2013
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Viruses and Type 1 diabetes: a dynamic labile equilibrium
Darius A Schneider1, Matthias G von Herrath1
1Center for Type 1 Diabetes Research, 9420 Athena Circle, La Jolla, CA 92037, USA.
Diabetes Management (London, England)
|March 18, 2014
Summary
Type 1 diabetes (T1D) involves immune destruction of pancreatic beta cells. While viruses like enteroviruses are suspected triggers, their exact role in T1D causation remains uncertain, complicated by protective effects in animal models.
Area of Science:
- Immunology
- Endocrinology
- Virology
Background:
- Type 1 diabetes (T1D) is an autoimmune disease characterized by the destruction of insulin-producing pancreatic beta cells.
- Genetic susceptibility is a prerequisite, but an environmental trigger initiates the autoimmune cascade.
- Autoreactive CD8 T cells are implicated in the destruction of pancreatic islets.
Purpose of the Study:
- To review current knowledge on the potential role of environmental factors, particularly viruses, in the etiology of Type 1 diabetes.
- To analyze the evidence supporting and refuting viral involvement in T1D pathogenesis.
- To discuss the complexities and future research directions in understanding T1D causation.
Main Methods:
- Literature review of current research on Type 1 diabetes and viral infections.
- Analysis of studies investigating environmental triggers in genetically susceptible individuals.
- Examination of findings from animal models of diabetes.
Main Results:
- Enteroviruses are considered significant environmental candidates for triggering T1D.
- Decades of research have not definitively established a causal link between viruses and T1D.
- Animal studies present conflicting evidence, suggesting some enteroviral infections may protect against diabetes.
Conclusions:
- The precise environmental trigger for Type 1 diabetes remains elusive.
- The role of viruses, especially enteroviruses, in T1D causation requires further investigation.
- Future research should address the complexities observed in both human and animal studies to clarify viral involvement.
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