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Mesenchymal stem cells derived from human dental follicle modulate the aberrant immune response in atopic dermatitis

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GenƧ, Deniz
Ɩzgen, Züleyha
Duran, Yazgül
Gƶker, Kamil
Barış, Safa
Ergun, Tülin
AkkoƧ, TunƧ

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Background: Atopic dermatitis (AD) is an inflammatory cutaneous disorder. The advancements in the understanding of AD immunological pathogenesis have caused the development of therapies that suppress the dysregulated immune response. We aimed to evaluate the immunomodulatory effect of dental stem cells (dental follicle-mesenchymal stem cells [DF-MSCs]) on AD patients. Materials & methods: We investigated the immunoregulatory potential of DF-MSCs on T cell response in AD and compared them with psoriasis and healthy individuals and the underlying mechanisms. Results: DF-MSCs significantly reduced Fas, FasL and TNFR II frequency in T cells, increased naive T cell population while reducing memory T cell, decreased inflammatory cytokine levels and promoted Tregs frequency in the AD population. Conclusion: These results imply that DF-MSCs are modulating inflammation through decreasing T cell apoptosis, inducing Treg expansion and stabilizing cytokine levels. Lay abstract Background: Atopic dermatitis (AD) is an inflammatory cutaneous disorder characterized by immune-mediated inflammation and epidermal barrier dysfunction. There is no definite solution for the treatment of AD. We aimed to evaluate the immunomodulatory and immunosuppressive effect of dental stem cells (dental follicle-mesenchymal stem cell [DF-MSCs]) on AD. Materials & methods: We investigated the immunoregulatory potential of DF-MSCs on inflammatory response in AD and compared them with psoriasis and healthy individuals and the mechanism underlying it. Results: DF-MSCs significantly reduced apoptosis-related markers in immune cells, decreased inflammatory cytokine levels and promoted Treg frequency in the AD. Conclusion: Our findings provide basic evidence for the potential role of DF-MSCs as a cellular therapy option in the treatment of AD and shed light on future clinical studies.

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Future Medicine

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Immunology

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Immunotherapy

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10.2217/imt-2020-0257

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