Ovcinnikovs, V; Walker, LSK; (2015) Regulatory T Cells in Autoimmune Diabetes: Mechanisms of Action and Translational Potential. [Review]. Progress in Molecular Biology and Translational Science , 136 pp. 245-277. 10.1016/bs.pmbts.2015.08.004.

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Abstract

Since the discovery of specialized T cells with regulatory function, harnessing the power of these cells to ameliorate autoimmunity has been a major goal. Here we collate the evidence that regulatory T cells (Treg) can inhibit Type 1 Diabetes in animal models and humans. We discuss the anatomical sites and molecular mechanisms of Treg suppressive function in the Type 1 Diabetes setting, citing evidence that Treg can function in both the pancreatic lymph nodes and within the pancreatic lesion. Involvement of the CTLA-4 pathway, as well as TGFβ and IL-2 deprivation will be considered. Finally we summarize current efforts to manipulate Treg therapeutically in individuals with Type 1 Diabetes. The translation of this research area from bench to bedside is still in its infancy, but the remarkable therapeutic potential of successfully manipulating Treg populations is clear to see.

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