2014
DOI: 10.1007/s00125-014-3262-4
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Human mesenchymal stem cell-derived microvesicles modulate T cell response to islet antigen glutamic acid decarboxylase in patients with type 1 diabetes

Abstract: These results provide evidence that MSC-derived MVs can inhibit in vitro a proinflammatory response to an islet antigenic stimulus in type 1 diabetes. The action of MVs involves PGE2 and TGF-β signalling pathways and IL-10 secretion, suggesting a switch to an anti-inflammatory response of T cells.

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Cited by 120 publications
(100 citation statements)
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References 50 publications
(65 reference statements)
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“…Participants and DC generation Peripheral blood mononuclear cells (PBMCs) were obtained from nine white patients with recent-onset type 1 diabetes on the basis of a positive IFN-γ response to glutamic acid decarboxylase (GAD65; stimulation index [SI] ≥3; Table 1) by enzyme-linked immunosorbent spot (ELISPOT) analysis as previously described [12,21]. CD14 + monocytes were isolated by positive selection (CD14 microbeads, Miltenyi Biotec, Bergisch Gladbach, Germany) and CD14…”
Section: Methodsmentioning
confidence: 99%
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“…Participants and DC generation Peripheral blood mononuclear cells (PBMCs) were obtained from nine white patients with recent-onset type 1 diabetes on the basis of a positive IFN-γ response to glutamic acid decarboxylase (GAD65; stimulation index [SI] ≥3; Table 1) by enzyme-linked immunosorbent spot (ELISPOT) analysis as previously described [12,21]. CD14 + monocytes were isolated by positive selection (CD14 microbeads, Miltenyi Biotec, Bergisch Gladbach, Germany) and CD14…”
Section: Methodsmentioning
confidence: 99%
“…EVs were obtained by differential ultracentrifugation and quantified by nanoparticle tacking analysis, as previously described [21]. A pool of approximately 2.5×10 8 /ml EV particles was labelled with 2 μl/ml Vybrant Dil (Life Technologies, OR, USA) for 15 min at 37°C and then washed, ultracentrifuged at 100,000 g and added to mDCs (2×10 5 ) for 24 h. After washing, EV internalisation was assessed by flow cytometry and confocal microscopy (LSM5-PASCAL, Zeiss, Oberkochen, Germany) analyses.…”
Section: Methodsmentioning
confidence: 99%
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“…MSC-derived extracellular vesicles are able to inhibit proliferation and induce apoptosis of activated T cells while promoting secretion of anti-inflammatory cytokines [77]. In animal and in vitro studies, MSC-derived extracellular vesicles restored Th1/ Th2 balance and induced generation of Tregs, implementing the regulatory component of the adaptive immune system [77,78]. A dose-dependent inhibitory effect of MSC-derived extracellular vesicles on B-cell proliferation, differentiation and Ig production has been reported [58].…”
Section: Anti-inflammatory (M2) Mscs Inhibit the Cell Cycle Of Cytotmentioning
confidence: 98%
“…Considering their immunosuppressive nature, MSC EVs are under investigation for a multitude of inflammatory conditions. For instance, in the field of auto-immune diseases, EVs shed by MSCs have shown to limit the pro-inflammatory response and induce a shift towards a beneficial regulatory T cell profile in type I diabetes [98] which is currently being investigated in a clinical setting (NCT02138331). As another example, MSC EVs are also successfully investigated in refractory graft-versus-host disease [99].…”
Section: Harnessing the Intrinsic Biological Effect Of Evsmentioning
confidence: 99%