2022
DOI: 10.1002/1873-3468.14460
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Umbilical cord mesenchymal stem cell‐derived exosomes alleviate collagen‐induced arthritis by balancing the population of Th17 and regulatory T cells

Abstract: Exosomes released by mesenchymal stem cells (MSCs) are thought to function as extensions of the MSCs. However, it remains unclear whether exosomes derived from human umbilical cord MSCs (HUMSCs) possess immunoregulatory functions in rheumatoid arthritis. We report that when mice with collagen‐induced arthritis were injected with exosomes derived from HUMSC (HUMSC‐Exo), their paws became less swollen, and they had lower serum pro‐inflammatory cytokine and anti‐collagen IgG levels, and decreased synovial hyperpl… Show more

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Cited by 14 publications
(5 citation statements)
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“…Exosomes released by UC-MSCs restored the balance between Tregs and Th17 in collagen-induced arthritis (CIA) mouse models, simultaneously decreasing the number of Th1 and the concentration of IL-6, IL-17, and TNF-α. Moreover, levels of TGF-β and IL-10 were significantly increased [ 102 ]. Moreover, UC-MSCs inhibit the proliferation and differentiation of Tfh, partially through the secretion of IDO in the presence of IFN-γ at the site of inflammation.…”
Section: Mesenchymal Stromal Cells and T Cellsmentioning
confidence: 99%
“…Exosomes released by UC-MSCs restored the balance between Tregs and Th17 in collagen-induced arthritis (CIA) mouse models, simultaneously decreasing the number of Th1 and the concentration of IL-6, IL-17, and TNF-α. Moreover, levels of TGF-β and IL-10 were significantly increased [ 102 ]. Moreover, UC-MSCs inhibit the proliferation and differentiation of Tfh, partially through the secretion of IDO in the presence of IFN-γ at the site of inflammation.…”
Section: Mesenchymal Stromal Cells and T Cellsmentioning
confidence: 99%
“…Furthermore, uMSC-Exo appeared to restore the balance between Th17 and Treg cells, which was accompanied by decreased IL-17 and increased TGF-β and IL-10 levels, indicating that uMSC-Exo serves as a crucial regulator of the balance between Th1/Th17 and Treg cells during immune and inflammatory responses. 153,154 Except for Helper T lymphocytes and Treg cells, MSC-Exo could also participate in the differentiation of CTLs. There was a study showed that exosomal PD-L1 suppressed CD8+ T cell numbers in the spleen and peripheral lymph nodes and inhibited cytokine production of CD8+ T cells, indicating that exosome exerts immune inhibitory effects and promotes tissue repair by suppressing T cells differentiate into CD8+ T cells.…”
Section: Msc-exo Regulates T-cell Differentiationmentioning
confidence: 99%
“…A particular study highlighted the significant role of HUMSC-Exo in regulating the balance between Th1/Th17 and Treg cells during immune and inflammatory responses, thus reducing the ratio of Th1/Th17 to Treg cells and inhibiting the development of RA. Additionally, HUMSC-Exo may exert a direct influence on macrophage and osteoclast differentiation ( 37 ). In light of these findings, it can be inferred that exosomes derived from HUMSCs have the potential to modulate the equilibrium between pro-inflammatory and anti-inflammatory cells, presenting a promising therapeutic avenue for RA.…”
Section: Exosomes Derived From Mesenchymal Stem Cellsmentioning
confidence: 99%