...系统退行性疾病之一,其主要病理特征是在大脑易受损区域的细胞内形成神经纤维缠结(NTF)和细胞外形成的淀粉样斑块(amyloid plaques),又称老年斑。AD的主要临床症状是进行性记忆缺失,精神行为异常以及认知功能障碍等。
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乙型淀粉样斑块 b-amyloid plaques
Increased Aβproduction and parenchymal amyloid plaques are indeeddescribed in transgenic mice overexpressing one or more of these mutated genes. Thesemice subsequently develop neuropathological alterations and behavioural impairmentsmimicking AD phenotype.
在表达突变的一个或几个上述基因的转基因小鼠中,我们观察到Aβ产生的增加和脑实质中淀粉样斑块的沉积,这些小鼠随后还出现了神经病理学的改变以及模拟AD表型的行为学的异常改变。
参考来源 - APP/PS1阿尔茨海默病转基因小鼠白质异常特点及其与脑内淀粉样病变之间关系的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
贝塔(以贝塔-淀粉样斑块的形式)和陶(以陶蛋白缠结的形式)是痴呆症的物质表征。
Beta (in the form of beta-amyloid plaques) and tau (in the form of tau tangles) are the physical manifestations of Alzheimer's.
Potter博士说,这些蛋白从外周血中收集更多的小胶质细胞进入大脑中来驱除阿尔茨海默病中淀粉样斑块。
The protein may do this by recruiting more microglia from the peripheral blood into the brain to remove Alzheimer's plaques, Dr. Potter said.
当一种叫淀粉样前体蛋白(APP)的分子被两种酶——分别叫作贝塔-分泌酶和伽玛-分泌酶——切断时就形成了淀粉样斑块。
Amyloid plaques form when a molecule called amyloid precursor protein (APP) is chopped up by two enzymes known as beta-secretase and gamma-secretase.
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