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Stem Cell Rep:可植入神经元细胞与小鼠大脑相融合

2014-08-08 佚名 生物谷

近日,刊登在国际杂志Stem Cell Reports上的一篇研究论文中,来自卢森堡大学等处的研究人员通过研究首次将皮肤细胞重编程后的神经元细胞成功植入到小鼠的大脑中,在植入后6个月神经元就实现了同大脑的完全融合,这项研究对于开发新型干细胞靶向疗法治疗诸如帕金森等神经系统疾病提供了新的希望。 研究者Jens Schwamborn及其同事一直致力于通过细胞移植的疗法来治疗神经变性疾病领域的研究


近日,刊登在国际杂志Stem Cell Reports上的一篇研究论文中,来自卢森堡大学等处的研究人员通过研究首次将皮肤细胞重编程后的神经元细胞成功植入到小鼠的大脑中,在植入后6个月神经元就实现了同大脑的完全融合,这项研究对于开发新型干细胞靶向疗法治疗诸如帕金森等神经系统疾病提供了新的希望。

研究者Jens Schwamborn及其同事一直致力于通过细胞移植的疗法来治疗神经变性疾病领域的研究,他们表示,大脑中的不良或者死亡的神经元可以被新的细胞所替代,这在未来有望治疗人类的帕金森疾病,但目前在人类机体如果要实现需要很长一段时间,而本文的研究又向成功迈进了一步。

这项研究中,研究人员对皮肤细胞进行重编程操作使其分化成为神经元,这些神经元进而在大脑中形成稳定的神经组织,研究者表示,这些特殊诱导的神经元干细胞可以改善植入细胞的兼容性,而植入干细胞的小鼠并没有表现出任何不良反应,在植入神经元干细胞后的六个月,研究者发现植入的神经元细胞可以完全融合到大脑的复杂网络中去,而神经元细胞也可以表现出正常的活性,并且可以通过新形成的神经细胞间的突触来进行原始大脑细胞的连接功能。

这项研究可以帮助研究人员成功移除机体损伤或者死亡的组织,研究者Schwamborn说道,基于当前研究,下一步我们计划对帕金森患者大脑中的死亡神经元进行研究,也就是对多巴胺诱导的神经元进行深入研究。未来可植入的神经元就可以在患者大脑中产生其缺失的多巴胺,并且将其运送到合适的位点,本文的研究为开发新型治疗神经变性疾病的疗法提供了新的思路和线索。

原始出处:

Kathrin Hemmer, Mingyue Zhang, Thea van Wüllen, Marna Sakalem, Natalia Tapia, Aidos Baumuratov, Christian Kaltschmidt, Barbara Kaltschmidt, Hans R. Schöler, Weiqi Zhang, Jens C. Schwamborn.Induced Neural Stem Cells Achieve Long-Term Survival and Functional Integration in the Adult Mouse Brain.Stem Cell Reports.doi:10.1016/j.stemcr.2014.06.017

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    2015-06-12 维他命
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    2014-08-10 jiyangfei
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    2014-08-10 licz0427

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