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通过诱导多能干细胞技术对肌萎缩侧索硬化症进行建模与治疗。

Modelling and treating amyotrophic lateral sclerosis through induced-pluripotent stem cells technology.

作者信息

Bohl Delphine, Pochet Roland, Mitrecic Dinko, Nicaise Charles

机构信息

Laboratory Neurodegeneration and Regeneration, URPhyM - NARILIS, Faculty of Medicine, University of Namur, Rue de Bruxelles 61, B-5000 Namur, Belgium.

出版信息

Curr Stem Cell Res Ther. 2016;11(4):301-12. doi: 10.2174/1574888x10666150528144303.

Abstract

Amyotrophic lateral sclerosis (ALS) is an adult-onset neurodegenerative disease affecting primarily the population of motor neurons, even though a non-cell autonomous component, involving neighbouring non-neuronal cells, is more and more described. Despite 140 years of disease experience, still no efficient treatment exists against ALS. The inability to readily obtain the faulty cell types relevant to ALS has impeded progress in drug discovery for decades. However, the pioneer work of Shinya Yamanaka in 2007 in the stem cell field was a real breakthrough. Recent advances in cell reprogramming now grant access to significant quantities of CNS disease-affected cells. Induced pluripotent stem cells (iPSc) have been recently derived from patients carrying mutations linked to familial forms of ALS as well as from sporadic patients. Precise and mature protocols allow now their differentiation into ALS-relevant cell subtypes; sustainable and renewable sources of human motor neurons or glia are being available for ALS disease modelling, drug screening or for the development of cell therapies. In few years, the proof-of-concept was made that ALS disease-related phenotypes can be reproduced with iPSc and despite some remaining challenges, we are now not so far to provide platforms for the investigation of ALS therapeutics. This paper also reviews the pioneering studies regarding the applicability of iPSc technology in ALS animal models. From modest slowing down of ALS progression to no severe adverse effects, iPSc-based cell therapy resulted in promising premises in ALS preclinical paradigms, although long-term surveys are highly recommended.

摘要

肌萎缩侧索硬化症(ALS)是一种成年发病的神经退行性疾病,主要影响运动神经元群体,尽管越来越多的研究表明存在一种非细胞自主成分,涉及邻近的非神经元细胞。尽管对该疾病已有140年的研究经验,但目前仍没有针对ALS的有效治疗方法。几十年来,由于无法轻易获得与ALS相关的缺陷细胞类型,阻碍了药物研发的进展。然而,2007年山中伸弥在干细胞领域的开创性工作是一个真正的突破。细胞重编程的最新进展现在使我们能够获得大量受中枢神经系统疾病影响的细胞。诱导多能干细胞(iPSc)最近已从携带与家族性ALS相关突变的患者以及散发性患者中获得。精确和成熟的方案现在允许将它们分化为与ALS相关的细胞亚型;人类运动神经元或神经胶质细胞的可持续和可再生来源可用于ALS疾病建模、药物筛选或细胞疗法的开发。在几年内,已经证明可以用iPSc重现与ALS疾病相关的表型,尽管仍有一些挑战,但我们现在距离提供ALS治疗研究平台已经不远了。本文还回顾了关于iPSc技术在ALS动物模型中适用性的开创性研究。从适度减缓ALS进展到没有严重不良反应,基于iPSc的细胞疗法在ALS临床前范例中产生了有前景的前提,尽管强烈建议进行长期调查。

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