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Updated: Dec 16, 2025
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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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Endotypes in T1D: B lymphocytes and early onset
Mia J Smith1, John C Cambier2, Peter A Gottlieb1
1Barbara Davis Center for Diabetes.
Summary
B cells are increasingly recognized for their role in type 1 diabetes (T1D) pathogenesis, particularly in early-onset disease. Targeting these islet-reactive B cells may offer new therapeutic strategies for autoimmune diabetes.
Area of Science:
- Immunology
- Endocrinology
- Autoimmunity
Background:
- Type 1 diabetes (T1D) involves autoimmune destruction of pancreatic beta cells by T cells.
- Emerging evidence highlights a significant role for B cells in T1D development, potentially as antigen-presenting cells.
Purpose of the Study:
- To review the biology of islet antigen-reactive B cells.
- To explore the participation of B cells in the pathogenesis of autoimmune diabetes.
Main Methods:
- Review of recent scientific literature on B cell involvement in T1D.
- Analysis of B cell accumulation and function in relation to disease onset and progression.
Main Results:
- Early-onset T1D shows increased islet accumulation of insulin-reactive B cells.
- Loss of anergy in high-affinity insulin-reactive B cells is observed, even in relatives with T1D risk alleles, suggesting early disease involvement.
Conclusions:
- Islet-reactive B cells may contribute to T1D pathogenesis early in young patients.
- Therapies targeting B cells show potential utility for treating autoimmune diabetes.
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