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Basal ganglia output to the PPN, a commentary

机译:基础神经节输出到PPN,评论

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摘要

Gait initiation failure, freezing and postural instability are some of the symptoms of Parkinson's disease (PD) that are the most disabling and the most difficult to treat. Usually they do not respond to dopa-minergic therapy nor to deep brain stimulation (DBS) of basal ganglia or thalamus (Van Nuenen et al., 2008). This is probably because these approaches target the connections of the basal ganglia ascending to cerebral cortex, whereas locomotion and postural control are more of the responsibility of brainstem centres (Nandi et al., 2002b). We and others have shown in monkeys that the pedunculopontine nucleus in the upper brainstem is particularly important in this respect. Lesions there cause locomotor akinesia (Munro-Davies et al., 2001). Also the akinesia of monkeys treated with MPTP is relieved by stimulating the PPN at low frequencies (Jenkinson et al., 2004), suggesting that PPN stimulation may improve locomotor akinesia in humans.
机译:步态启动失败,冻结和姿势不稳是帕金森氏病(PD)的某些症状,这些症状最致残且最难治疗。通常,他们对多巴矿物疗法或基底节或丘脑的深部脑刺激(DBS)均无反应(Van Nuenen等,2008)。这可能是因为这些方法针对的是基底神经节上升到大脑皮层的连接,而运动和姿势控制更多地是脑干中心的责任(Nandi等,2002b)。我们和其他人已在猴子中发现,在这方面,上脑干中的pedunculopontine核特别重要。那里的病变会引起运动性运动障碍(Munro-Davies等,2001)。此外,通过低频率刺激PPN可以减轻用MPTP处理的猴子的运动能力(Jenkinson等人,2004),这表明PPN刺激可以改善人的运动性运动能力。

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