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MSC-derived Extracellular Vesicles Attenuate Immune Responses in Two Autoimmune Murine Models: Type 1 Diabetes and
Taeko Shigemoto-Kuroda1, Joo Youn Oh2, Dong-Ki Kim1
1Institute for Regenerative Medicine, College of Medicine, Texas A&M University, 1114 TAMU, 206 Olsen Boulevard, College Station, TX 77845, USA.
Accumulating evidence shows that extracellular vesicles (EVs) produced by mesenchymal stem/stromal cells (MSCs) exert their therapeutic effects in several disease models. We previously demonstrated that MSCs suppress autoimmunity in models of type 1 diabetes (T1D) and experimental autoimmune uveoretinitis (EAU). Therefore, here, we investigated the therapeutic potential of MSC-derived EVs using our established mouse models for autoimmune diseases affecting the pancreas and the eye: T1D and EAU. The data demonstrate that MSC-derived EVs effectively prevent the onset of disease in both T1D and EAU. In addition, the mixed lymphocyte reaction assay with MSC-derived EVs indicated that EVs inhibit activation of antigen-presenting cells and suppress development of T helper 1 (Th1) and Th17 cells. These results raise the possibility that MSC-derived EVs may be an alternative to cell therapy for autoimmune disease prevention.
Accumulating evidence shows that extracellular vesicles (EVs) produced by mesenchymal stem/stromal cells (MSCs) exert their therapeutic effects in several disease models. We previously demonstrated that MSCs suppress autoimmunity in models of type 1 diabetes (T1D) and experimental autoimmune uveoretinitis (EAU). Therefore, here, we investigated the therapeutic potential of MSC-derived EVs using our established mouse models for autoimmune diseases affecting the pancreas and the eye: T1D and EAU. The data demonstrate that MSC-derived EVs effectively prevent the onset of disease in both T1D and EAU. In addition, the mixed lymphocyte reaction assay with MSC-derived EVs indicated that EVs inhibit activation of antigen-presenting cells and suppress development of T helper 1 (Th1) and Th17 cells. These results raise the possibility that MSC-derived EVs may be an alternative to cell therapy for autoimmune disease prevention.
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