首页> 外文期刊>Journal of Neuroimmunology: Official Bulletin of the Research Committee on Neuroimmunology of the World Federation of Neurology >Malat1 long noncoding RNA regulates inflammation and leukocyte differentiation in experimental autoimmune encephalomyelitis
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Malat1 long noncoding RNA regulates inflammation and leukocyte differentiation in experimental autoimmune encephalomyelitis

机译:Malat1长的非分量RNA调节实验性自身免疫性脑髓炎中的炎症和白细胞分化

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In this study, we investigated the contributions of the MALAT1 long noncoding RNA to autoimmune neuroinflammation in central nervous system tissues from patients with multiple sclerosis (MS) and mice with experimental autoimmune encephalomyelitis (EAE). Expression of MALAT1 was decreased in the spinal cords of EAE mice as well as in stimulated splenocytes and primary macrophages. MALAT1 downregulation by specific siRNAs enhanced the polarization of macrophages towards the M1 phenotype. Interestingly, siRNA-mediated MALAT1 downregulation shifted the pattern of T-cell differentiation towards a Th1/Th17 cell profile and decreased differentiation towards a Tregs phenotype. Proliferation of T-cells was also increased following MALAT1 downregulation. These data point to a potential anti-inflammatory effect for MALAT1 in the context of auto immune neuroinflammation.
机译:在这项研究中,我们研究了来自多发性硬化症(MS)和小鼠的中枢神经系统组织中的Malat1长度非致rna在来自多发性的自身免疫脑脊髓炎(EAE)的小鼠的中枢神经系统组织中的自身免疫神经炎症的贡献。 在EAE小鼠的脊髓和刺激的脾细胞和原发性巨噬细胞中,Malat1的表达减少。 通过特异性siRNA的Malat1下调增强了巨噬细胞朝向M1表型的极化。 有趣的是,siRNA介导的Malat1下调使T细胞分化的模式转移到Th1 / Th17细胞谱的图案,并降低了朝向Tregs表型的分化。 在Malat1下调后,T细胞的增殖也增加。 这些数据在自动免疫神经炎性的背景下对马拉特1的潜在抗炎作用。

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