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阿尔茨海默病患者的临床病理研究 被引量:4

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摘要 目的 探讨阿尔茨海默病(AD)患者的临床病理特点,研究神经胶质细胞(NGCS)在脑内的分布及其在AD病理机制中的作用。方法 对8例临床诊断的AD患者和5例非痴呆老人(ND)的大脑皮层以及海马和杏仁核分别进行Bielschowsky氏浸银染色和Holzer氏磷钼酸结晶紫染色,并对老年斑(SPs)神经纤维缠结(NFTs)以及NGCs进行定量对照研究。结果 ①AD患者上述部位可见大量的SPs及细胞内、外NFTs和神经纤维毡丝(NTs),其分布各有不同,ND大脑上述病理改变的程度远无AD患者严重。②AD患者脑内可见明显的以小胶质细胞和星形胶质细胞为主的胶质增生反应,NGCs主要分布在SPs附近甚至核心,其数量和突起均明显多于ND大脑。③NGCs的分布与SPs(而不是NFTs)的分布似乎关系更为密切。结论 AD患者大脑内存在广泛的以NGCs增生和活跃为特征的慢性炎症反应,NGCs可能在AD病理机制中起重要作用。
出处 《中国神经精神疾病杂志》 CAS CSCD 北大核心 2003年第1期48-49,I002,共3页 Chinese Journal of Nervous and Mental Diseases
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同被引文献27

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