阿尔茨海默病和血管性痴呆患者脑部的超微结构特征
- 作者: Onishchenko L.S.1, Emelin A.Y.1, Zueva O.V.2, Dyskin D.E.1
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隶属关系:
- Military Medical Academy
- City Polyclinic N 106
- 期: 卷 43, 编号 4 (2024)
- 页面: 393-399
- 栏目: Original articles
- URL: https://journals.rcsi.science/RMMArep/article/view/275781
- DOI: https://doi.org/10.17816/rmmar636479
- ID: 275781
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全文:
详细
背景。随着人类寿命的延长,认知障碍问题变得日益紧迫,这种问题在老年人中较为常见,且是多种神经退行性疾病的严重综合征。根据流行病学数据,阿尔茨海默病和脑血管疾病是导致认知功能障碍的最常见原因,二者合计约占所有病例的90%。
研究目的。探讨阿尔茨海默病和脑血管病理中导致认知障碍的形态学特征。
材料和方法。本研究采用我们开发并获得专利的电子显微镜切片材料制备方法,对阿尔茨海默病和脑血管病理的老年患者的尸检脑组织进行了详细研究。
结果。电子显微镜显示,阿尔茨海默病患者的脑部常见大块网状纤维结构,紧贴髓鞘纤维,构成纤维斑块的一部分。在血管性痴呆患者的神经胶质中观察到形状不规则、内容异质的高染色物,可能是未来“弥散性”斑块的前兆。在阿尔茨海默病患者的部分脑皮层少突胶质细胞的细胞质中也可见未来 “弥散性”斑块的碎片。所有阿尔茨海默病去世患者的突触均出现了粗颗粒解体现象,包括突触复合体(即突触小泡、线粒体和突触间隙)的解体。
结论。本研究为重新认识这种难以诊断和治疗的认知障碍状态的某些病因和发病机制提供了新 的视角。
作者简介
Lyudmila S. Onishchenko
Military Medical Academy
Email: ludonis1947@yandex.ru
ORCID iD: 0000-0003-3562-1029
SPIN 代码: 4985-7683
Researcher ID: I-7566-2016
Cand. Sci. (Biology)
俄罗斯联邦, Saint PetersburgAndrey Yu. Emelin
Military Medical Academy
Email: emelinand@rambler.ru
ORCID iD: 0000-0001-5801-1480
SPIN 代码: 9650-1368
Scopus 作者 ID: 35773115100
Researcher ID: 1-8241-2016
MD, Dr. Sci. (Medicine), Professor
俄罗斯联邦, Saint PetersburgOlga V. Zueva
City Polyclinic N 106
Email: vmeda-nio@mil.ru
MD
俄罗斯联邦, Saint PetersburgDmitriy E. Dyskin
Military Medical Academy
编辑信件的主要联系方式.
Email: drabovsk@mail.ru
ORCID iD: 0000-0002-2855-2953
SPIN 代码: 6662-9481
Scopus 作者 ID: 6602481680
Researcher ID: J-3336-2016
MD, Dr. Sci. (Medicine), Associate Professor
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