Restorative Strategies in Movement Disorders: the Contribution of Imaging.

Restorative Strategies in Movement Disorders: the Contribution of Imaging.
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DOI:
10.1007/s11910-017-0807-1
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发表时间:
2017-11-02
影响因子:
5.6
通讯作者:
Tai YF
Tai YF
中科院分区:
医学2区
文献类型:
--
作者:
Lao-Kaim NP;Piccini P;Tai YF

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本综述的目的是回顾运动障碍神经恢复研究中的影像学结果,特别是正电子发射断层扫描 (PET),特别关注帕金森病 (PD) 和亨廷顿病 (HD) 的神经移植。 PD 移植研究中的 PET 结果表明,多巴胺能 PET 标记物增加所反映的移植物存活率并不一定与临床改善相关。腹侧纹状体去神经较多、移植神经元中血清素与多巴胺比例不平衡的 PD 患者往往预后较差。在 HD 移植研究中,不同的移植物存活率和临床反应可能与宿主对移植物的炎症/免疫反应有关。从之前的神经移植研究中的影像学结果中收集的信息已被用来完善未来试验中的研究方案和患者选择。这包括使用成像标记物识别合适的移植候选者,采用多种和/或新型 PET 示踪剂来更好地评估移植物功能和移植物的炎症反应。
The purpose of this review was to review the imaging, particularly positron emission tomography (PET), findings in neurorestoration studies in movement disorders, with specific focus on neural transplantation in Parkinson’s disease (PD) and Huntington’s disease (HD). PET findings in PD transplantation studies have shown that graft survival as reflected by increases in dopaminergic PET markers does not necessarily correlate with clinical improvement. PD patients with more denervated ventral striatum and more imbalanced serotonin-to-dopamine ratio in the grafted neurons tended to have worse outcome. In HD transplantation studies, variable graft survival and clinical responses may be related to host inflammatory/immune responses to the grafts. Information gleaned from imaging findings in previous neural transplantation studies has been used to refine study protocol and patient selection in future trials. This includes identifying suitable candidates for transplantation using imaging markers, employing multiple and/or novel PET tracers to better assess graft functions and inflammatory responses to grafts.
DOI: 10.1002/mds.10463
发表时间: 2003-08-01
期刊: MOVEMENT DISORDERS
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