Journal
INTERNATIONAL IMMUNOPHARMACOLOGY
Volume 44, Issue -, Pages 191-196Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.intimp.2017.01.019
Keywords
Type 1 diabetes; Mesenchymal stem cell; TGF-beta; Cell therapy
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Funding
- Iran National Science Foundation [91000598]
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Objective: Mesenchymal stem cells (MSCs) are advantageous candidates for cell therapy of Type 1 diabetes (TID). Considering immunomodulatory effect of MSC, in this study, we engineered MSCs withTGF-beta gene to increase MSC potency for T1D therapy in mouse model. Materials and methods: Two plans were designed for prevention and treatment of diabetes, respectively. In both of them, MSCs were injected i.v. and then, the diabetes features including serum insulin, blood glucose, glucose tolerance, splenocytes proliferation, and IL-4/IFN-gamma production were evaluated. Results: TGF-beta/MSCs treatment program resulted in the restoration of serum glucose after 3 weeks, while prevention program could delay diabetes progression for two weeks. TGF-beta/MSCs treatment elevated the levels of serum insulin and Th2 cytokine shift on 5th week after start of treatment. TGF-beta/MSCs (and MSCs alone) could also diminish body weight and enhance mice survival comparing to untreated diabetic mice. Conclusion: Engineered TGF-beta/MSCs could restore some T1D features, including the regulation of adverse immune responses and could be potent tools for cell therapy of T1D comparing MSCs alone. (C) 2017 Elsevier B.V. All rights reserved.
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