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作 者:Yan-feng Li Fang-fang Ge Yong Zhang Hui You Zhen-xin Zhang
机构地区:[1]Department of Neurology [2]Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
出 处:《Chinese Medical Sciences Journal》2015年第3期170-173,共4页中国医学科学杂志(英文版)
摘 要:Objective To study the changes of biomarkers in cerebrospinal fluid(CSF) in cerebral amyloid angiopathy(CAA) dementia and Alzheimer's disease.Methods Levels of amyloid protein β(Aβ42,Aβ40) and phosphorylated Tau-protein(P-tau) in CSF and ratio of Aβ42/Aβ40 were tested in 5 cases with CAA dementia and 20 cases with Alzheimer's disease collected at Peking Union Medical College Hospital from December 2001 to March 2011.Results The levels of Aβ42,Aβ40,and P-tau in CSF and ratio of Aβ42/Aβ40 were(660.4±265.2) ng/L,(7111.0±1033.4) ng/L,(71.8±51.5) ng/L,and 0.077±0.033,respectively in CAA dementia and(663.6±365.6) ng/L,(5115.0±2931.1) ng/L,(47.7±38.8) ng/L,and 0.192±0.140,respectively in Alzheimer's disease patients.There were no statistically significant differences between CAA dementia and Alzheimer's disease in terms of these CSF biomarkers(all P>0.05).Conclusion Measurements of CSF biomarkers may not be helpful in differential diagnosis of CAA and Alzheimer's disease.Objective To study the changes of biomarkers in cerebrospinal fluid(CSF) in cerebral amyloid angiopathy(CAA) dementia and Alzheimer's disease.Methods Levels of amyloid protein β(Aβ42,Aβ40) and phosphorylated Tau-protein(P-tau) in CSF and ratio of Aβ42/Aβ40 were tested in 5 cases with CAA dementia and 20 cases with Alzheimer's disease collected at Peking Union Medical College Hospital from December 2001 to March 2011.Results The levels of Aβ42,Aβ40,and P-tau in CSF and ratio of Aβ42/Aβ40 were(660.4±265.2) ng/L,(7111.0±1033.4) ng/L,(71.8±51.5) ng/L,and 0.077±0.033,respectively in CAA dementia and(663.6±365.6) ng/L,(5115.0±2931.1) ng/L,(47.7±38.8) ng/L,and 0.192±0.140,respectively in Alzheimer's disease patients.There were no statistically significant differences between CAA dementia and Alzheimer's disease in terms of these CSF biomarkers(all P>0.05).Conclusion Measurements of CSF biomarkers may not be helpful in differential diagnosis of CAA and Alzheimer's disease.
关 键 词:CEREBRAL AMYLOID ANGIOPATHY Alzheimer's disease CEREBROSPINAL fluid biomarker
分 类 号:R743[医药卫生—神经病学与精神病学]
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