The secretome of periodontal ligament stem cells from MS patients protects against EAE.

The secretome of periodontal ligament stem cells from MS patients protects against EAE.
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DOI:
10.1038/srep38743
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发表时间:
2016-12-07
期刊:
影响因子:
4.6
通讯作者:
Trubiani O
Trubiani O
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Rajan TS;Giacoppo S;Diomede F;Ballerini P;Paolantonio M;Marchisio M;Piattelli A;Bramanti P;Mazzon E;Trubiani O

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操纵干细胞或干细胞衍生的分泌蛋白质组已成为多发性硬化症(MS)的一种新的替代治疗选择。在这里,我们表明,人牙周膜干细胞(hPDLSCs)衍生的条件培养基(hPDLSCs-CM)和纯化的外来体/微泡从复发缓解(RR)-MS患者和健康供体获得的hPDLSC-EMV通过在脊髓和脾中诱导抗炎和免疫抑制作用来阻断实验性自身免疫性脑脊髓炎(EAE),一种MS的小鼠模型,并通过脊髓中的髓鞘再生恢复组织完整性来逆转疾病进展。我们显示hPDLSCs-CM和hPDLSCs-EMV减少促炎细胞因子IL-17、IFN-γ、IL-1β、IL-6、TNF-α,并诱导抗炎IL-10。此外,凋亡相关的STAT 1、p53、Caspase 3和Bax表达减弱。我们的研究结果揭示了hPDLSCs-CM和hPDLSCs-EMV在EAE小鼠中的免疫抑制作用,并提出了用于MS患者中患者定制的无细胞靶向治疗的简单替代自体来源。
Manipulation of stem cells or stem cells-derived secretome has emerged as a novel alternative therapeutic option for multiple sclerosis (MS). Here we show that human periodontal ligament stem cells (hPDLSCs)-derived conditioned medium (hPDLSCs-CM) and purified exosomes/microvesicles (hPDLSCs-EMVs) obtained from Relapsing Remitting (RR)-MS patients and healthy donors block experimental autoimmune encephalomyelitis (EAE), a mouse model of MS, by inducing anti-inflammatory and immunosuppressive effects in spinal cord and spleen, and reverse disease progression by restoring tissue integrity via remyelination in the spinal cord. We show that hPDLSCs-CM and hPDLSCs-EMVs reduce pro-inflammatory cytokines IL-17, IFN-γ, IL-1β, IL-6, TNF-α, and induce anti-inflammatory IL-10. In addition, apoptosis related STAT1, p53, Caspase 3, and Bax expressions were attenuated. Our findings unravel the immunosuppressive effects of hPDLSCs-CM and hPDLSCs-EMVs in EAE mice, and suggest simple alternative autologous source for patient-customized cell-free targeting treatment in MS patients.
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