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10
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北京柏瑞图科技有限公司
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文献和实验又称震颤麻痹( paralysis agitans)。患者症状为:全身肌紧张增高、肌肉强直、随意运动减少、动作迟缓、面部表情呆板。此外,患者常伴有静止性震颤。震颤多见于上肢,其次为下肢及头部,震颤节律每秒约 4~ 6次。近年来研究证明,中脑黑质多巴胺能神经元功能的破坏可能是发生帕金森氏病的主要原因。黑质为多巴胺能神经元存在的主要部位,其纤维上行至纹状体。在黑质和基底神经节中存在大量多巴胺。帕金森症患者,一般中脑的黑质发生病变,脑内多巴胺含量也很低。在临床上,如给患者注射
Parkinson’s Disease, Dementia with Lewy Bodies, and Multiple System Atrophy as α-Synucleinopathies
Parkinson’s disease (PD) is the most common neurodegenerative movement disorder (1 ). Neuropathologically, it is defined by nerve cell loss in the substantia nigra and the presence of Lewy bodies and Lewy neurites (2 ,3 ). In many cases, Lewy
the quality of this approach by using a microarray dataset from a mouse model of Parkinson's disease. The results are accompanied by a description of the currently known molecular functions and biological processes of the genes in the signatures.
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