Transplantation of adipose tissue-derived stem cells ameliorates autoimmune pathogenesis in MRL/lpr mice : Modulation of the balance between Th17 and Treg.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Background Mesenchymal stem cells (MSCs) are multipotent cells characterized by immunomodulatory properties and are therefore considered a promising tool for the treatment of autoimmune diseases. In this study, we aimed to investigate whether transplantation of adipose tissue-derived stem cells (ADSCs) affects the autoimmune pathogenesis in MRL/lpr mice. Methods Fifteen 12-week-old MRL/lpr mice were randomly divided into three groups: ADSC, cyclophosphamide (CTX), and control groups, with five mice in each group. ADSC and control groups were injected with 1 × 10 6 ADSCs or PBS, respectively, via the tail vein, once a week for 8 weeks. The CTX group was injected with CTX at a dose of 15 mg/kg body weight, once a week for 2 weeks, and this was repeated after 2 weeks rest. Proteinuria, anti-double-stranded DNA (anti-dsDNA) antibody, and serum creatinine levels were then measured. The populations of Th17 and Treg cells in the spleen were detected by flow cytometry. All statistical analyses were performed using least square difference. Results Eight weeks after treatment, the 24 h proteinuria, anti-dsDNA antibody levels, and serum creatinine were decreased significantly with transplantation of mouse ADSCs. ADSCs markedly reduced the number of TH17 cells, increased Treg cells, and improved renal pathology. Conclusion Our results indicate that transplantation of ADSCs could significan

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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