Boundary Cap Neural Crest Stem Cells Promote Survival of Mutant SOD1 Motor Neurons.

Boundary Cap Neural Crest Stem Cells Promote Survival of Mutant SOD1 Motor Neurons.
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DOI:
10.1007/s13311-016-0505-8
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发表时间:
2017-07
期刊:
Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics
影响因子:
--
通讯作者:
Kozlova EN
Kozlova EN
中科院分区:
其他
文献类型:
--
作者:
Aggarwal T;Hoeber J;Ivert P;Vasylovska S;Kozlova EN

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ALS 是一种毁灭性的疾病,会导致大脑和脊髓中的运动神经元 (MN) 退化。 MN 的存活很大程度上取决于周围的神经胶质细胞和肌肉的神经营养支持。我们之前证明,边界帽神经嵴干细胞(bNCSC)可以在体外和体内产生神经元和神经胶质细胞,并对共培养和共植入的细胞(包括神经细胞)产生多种有益作用。在本文中,我们研究了 bNCSC 是否可以在正常条件和氧化应激条件下的体外以及植入脊髓后的体内提高携带人类 SOD1 (SOD1G93A) 突变形式的 MN 的存活率。我们发现,在正常条件下以及氧化应激下,当 bNCSC 存在时,SOD1G93A MN 的体外存活率会增加。此外,当 SOD1G93A MN 前体被植入成年小鼠的脊髓时,与 bNCSC 共同植入时,它们的存活率会增加。这些发现表明,bNCSCs 在正常条件下和体外氧化应激下支持 SOD1G93A MN 的存活,并提高其体内存活率,这表明 bNCSCs 有潜力在 ALS 模型中开发基于干细胞的新型治疗方法。本文的在线版本 (doi:10.1007/s13311-016-0505-8) 包含补充材料,可供授权用户使用。
ALS is a devastating disease resulting in degeneration of motor neurons (MNs) in the brain and spinal cord. The survival of MNs strongly depends on surrounding glial cells and neurotrophic support from muscles. We previously demonstrated that boundary cap neural crest stem cells (bNCSCs) can give rise to neurons and glial cells in vitro and in vivo and have multiple beneficial effects on co-cultured and co-implanted cells, including neural cells. In this paper, we investigate if bNCSCs may improve survival of MNs harboring a mutant form of human SOD1 (SOD1G93A) in vitro under normal conditions and oxidative stress and in vivo after implantation to the spinal cord. We found that survival of SOD1G93A MNs in vitro was increased in the presence of bNCSCs under normal conditions as well as under oxidative stress. In addition, when SOD1G93A MN precursors were implanted to the spinal cord of adult mice, their survival was increased when they were co-implanted with bNCSCs. These findings show that bNCSCs support survival of SOD1G93A MNs in normal conditions and under oxidative stress in vitro and improve their survival in vivo, suggesting that bNCSCs have a potential for the development of novel stem cell-based therapeutic approaches in ALS models. The online version of this article (doi:10.1007/s13311-016-0505-8) contains supplementary material, which is available to authorized users.
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