Embryonic MGE precursor cells grafted into adult rat striatum integrate and ameliorate motor symptoms in 6-OHDA-lesioned rats.

Embryonic MGE precursor cells grafted into adult rat striatum integrate and ameliorate motor symptoms in 6-OHDA-lesioned rats.
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胚胎MGE前体细胞接枝到成年大鼠纹状体中,并改善6- OHDA的大鼠的运动症状。

DOI:
10.1016/j.stem.2010.01.004
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发表时间:
2010-03-05
期刊:
影响因子:
23.9
通讯作者:
Kriegstein AR
Kriegstein AR
中科院分区:
医学1区
文献类型:
--
作者:
Martínez-Cerdeño V;Noctor SC;Espinosa A;Ariza J;Parker P;Orasji S;Daadi MM;Bankiewicz K;Alvarez-Buylla A;Kriegstein AR

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我们研究了一种通过将胚胎内侧神经节隆起 (MGE) 细胞移植到纹状体中来改善接受 6-羟基多巴胺 (6-OHDA) 损伤的大鼠(帕金森病啮齿动物模型)运动症状的策略。在大脑发育过程中,胚胎 MGE 细胞迁移到纹状体和新皮质,在那里它们成熟为 GABA 能中间神经元,并在建立兴奋和抑制之间的平衡中发挥关键作用。与大多数其他胚胎神经元不同,MGE 细胞在移植到出生后和成人大脑中时保留了迁移和整合的能力。我们将 MGE 细胞移植到对照大鼠和 6-OHDA 损伤大鼠的基底神经节中。移植的 MGE 细胞存活下来,分化为 GABA+ 神经元,整合到宿主电路中,并改变了受损大鼠和对照大鼠的运动行为。我们的数据表明,将 MGE 细胞移植到纹状体中是研究重塑基底神经节回路在神经退行性疾病中的潜在益处的一种有前景的方法。
We investigated a strategy to ameliorate the motor symptoms of rats that received 6-hydroxydopamine (6-OHDA) lesions, a rodent model of Parkinson’s disease, through transplantation of embryonic medial ganglionic eminence (MGE) cells into the striatum. During brain development, embryonic MGE cells migrate into the striatum and neocortex where they mature into GABAergic interneurons and play a key role in establishing the balance between excitation and inhibition. Unlike most other embryonic neurons, MGE cells retain the capacity for migration and integration when transplanted into the postnatal and adult brain. We performed MGE cell transplantation into the basal ganglia of control and 6-OHDA-lesioned rats. Transplanted MGE cells survived, differentiated into GABA+ neurons, integrated into host circuitry, and modifed motor behavior in both lesioned and control rats. Our data suggest that MGE cell transplantation into the striatum is a promising approach to investigate the potential benefits of remodeling basal ganglia circuitry in neurodegenerative diseases.
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