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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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CXCR3, CXCL10 and type 1 diabetes
Alessandro Antonelli1, Silvia Martina Ferrari1, Alda Corrado1
1Department of Clinical and Experimental Medicine, University of Pisa, Via Savi, 10, I-56126 Pisa, Italy.
Cytokine & Growth Factor Reviews
|February 18, 2014
Summary
Type 1 diabetes (T1D) involves T-helper 1 cells attacking insulin-producing beta cells. Blocking the CXCL10/CXCR3 pathway, elevated in new-onset T1D, may offer a novel treatment approach.
Area of Science:
- Immunology
- Endocrinology
- Pathophysiology
Background:
- Type 1 diabetes (T1D) results from autoimmune destruction of pancreatic beta cells by diabetogenic T-helper 1 (Th1) cells.
- The CXCL10/CXCR3 axis, a Th1-associated chemokine system, is implicated in various autoimmune conditions.
- Elevated circulating CXCL10 levels correlate with Th1 responses in new-onset T1D patients.
Purpose of the Study:
- To investigate the role of the CXCL10/CXCR3 system in the pathogenesis of Type 1 diabetes.
- To explore the impact of CXCL10 on pancreatic beta cell function and survival.
- To evaluate the therapeutic potential of targeting the CXCL10/CXCR3 pathway in T1D.
Main Methods:
- Analysis of CXCL10 levels in new-onset T1D patients.
- Assessment of Th1 cytokine influence on CXCL10 production by beta cells.
- Investigation of viral infection-induced cytokine and CXCL10 expression in beta cells.
Main Results:
- High circulating CXCL10 levels were observed in new-onset T1D patients, linked to Th1 autoimmune responses.
- Pancreatic beta cells were found to produce CXCL10, which suppressed their proliferation under Th1 cytokine influence.
- Viral infections in beta cells induced cytokine and CXCL10 expression, contributing to beta cell failure.
Conclusions:
- The CXCL10/CXCR3 system plays a critical role in the autoimmune process and beta cell destruction in T1D.
- Beta cell production of CXCL10, exacerbated by viral infections and Th1 cytokines, contributes to disease pathogenesis.
- Blocking CXCL10 presents a potential therapeutic strategy for new-onset Type 1 diabetes.
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