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通过使用患者特定的iPSCs来模拟家族性dysautonomia的发病和治疗

Gabsang Lee¹, Eirini P Papapetrou, Hyesoo Kim

¹Developmental Biology Program, Sloan-Kettering Institute, 1275 York Ave, USA.

|August 21, 2009

概括

来自FD的患者特异性诱导多能干细胞 (iPSC) 模拟疾病机制,并允许药物测试. 这种方法为外围神经病变的发病和治疗策略提供了新的见解.

科学领域:

干细胞生物学干细胞生物学
神经科学是一个神经科学.
遗传学是一个遗传学.

背景情况:

家庭性自主症 (FD) 是一种致命的外围神经病变,与IKBKAP基因突变有关.
目前对FD病原和神经元损失机制的理解是有限的,因为缺乏合适的模型.
人类诱导的多能干细胞 (iPSCs) 为疾病建模提供了一个有希望的途径.

研究的目的:

为了导出和区分患者特定的FD-iPSCs.
调查FD病原体,并确定潜在的治疗点.
在FD建立一个用于药物查和验证的平台.

主要方法:

患者特异性FD-iPSCs的衍生和定向分化成各种细胞类型,包括外围神经元.
对FD-iPSC衍生细胞的基因表达分析 (包括IKBKAP剪接) 和转录组分析.
基于细胞的测试,以评估神经原体的分化,迁移和药物疗效.

主要成果:

成功衍生和区分FD-iPSCs,证明组织特定的IKBKAP错误拼接.
识别FD患者衍生细胞中神经原体分化和迁移的特定缺陷.
验证候选药物对它们在纠正异常拼接和改善神经元功能方面的潜力.

结论:

FD-iPSC为研究外围神经病变提供了一个有价值的体外模型.
该研究阐明了FD的疾病特异性机制,特别是关于神经前体中的IKBKAP剪接.
iPSC 技术对推进人类疾病如FD的理解和治疗具有重大前景.

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