阿尔茨海默病患者AD7C-NTP和Aβ42检测的价值探讨  被引量:9

Significance of Detecting Urine AD7C-NTP and Blood Aβ42 Protein Level of Alzheimer Patients

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作  者:郝建华[1] 王田园[1] 张然蓉[1] 郑文斌[1] 

机构地区:[1]广东医学院南山临床学院,广东深圳518052

出  处:《现代检验医学杂志》2014年第1期44-47,共4页Journal of Modern Laboratory Medicine

基  金:广东省深圳市南山科技局项目(项目编号:20ll002).

摘  要:目的探讨尿中阿尔茨海默病相关神经丝蛋白和血中β淀粉样蛋白42(Aβ42)在阿尔茨海默病、血管性痴呆患者和健康老人含量的变化及其诊断价值。方法采用酶联免疫吸附测定法检测140例标本尿中神经丝蛋白及血中A1342的含量,其中早期阿尔茨海默病组16例、中晚期阿尔茨海默病组34例,血管性痴呆组50例,智能正常老年对照组40例,并进行统计比较和相关性分析。结果早期、中晚期阿尔茨海默病组尿液中神经丝蛋白含量分别为:4.08±0.86ng/m1,15.88±6.01ng/ml,明显高于智能正常组0.53±0.29ng/m1,差异有统计学显著性意义(q值依次为3.86,15.35,P值均〈0.05),且神经丝蛋白的含量与痴呆程度呈正相关;早期阿尔茨海默病组血中AB42:146.06±5.73pg/ml,明显高于智能正常组:92.44±3.24pg/ml,差异有统计学显著性意义(q=56.62,P〈0.05),但中晚期组:84.36±2.65pg/ml,与智能正常组差异无统计学显著性意义(q=2.7,P〉0.05)。结论阿尔茨海默病患者尿中神经丝蛋白含量增加并与疾病的严重程度相关,测定其含量对诊断及病情评估有重要的价值。血中Aβ42对早期阿尔茨海默病诊断及评估具有重要意义,但随疾病的进展Aβ42的诊断价值不及神经丝蛋白。Objective To study the diagnosis significance of urine neurofilament protein (AD7c-NTP) and blood β-like amy loid 42 (Aβ42) assay in clinical diagnosis of Alzheimer's disease (AD) patients,Vascular Dementia (VD) and healthy elder- ly. Methods Used enzyme-linked immunosorbent assay method (ELISA) to detect the 140 elderly patients,including 16 ca ses of early AD group,34 cases in late AD group,the VD group of 50 patients,40 cases intelligent normal elderly control group AD7C-NTP in urine levels and Aβ42 in the blood levels,and statistical comparison and correlation analysis. Results Early AD group (4.08±0.86 ng/ml) ,the late AD group (15.88±6.01 ng/ml) AD7c-NTP in urine content was significant- ly higher than normal intelligence group,0.53±0.29 ng/ml (q=3.86,q=15.35,P〈0.05). The content of the urine of pa- tients with AD group ADTc NTP was positively correlated with their degree of dementia; Aβ42 was significantly higher in the blood of early AD group (146.06±5.73 pg/ml) of than normal intelligence (92.44±3.24 pg/ml,q=56.62,P〈0.05), but advanced AD group (84.36±2.65 pg/ml) with normal intelligence group difference was not statistically significant (q= 2.7,P〉O. 05). Conclusion Aβ42 is important for early diagnosis of AD and estimates. But with disease progression the Aβ42 diagnosis effect was less than of ADTc-NTP. The AD7c NTP levels was correlate with the severity of the AD disease.

关 键 词:阿尔茨海默病 神经丝蛋白 β类淀粉样蛋白42 酶联免疫吸附测定 

分 类 号:R749.16[医药卫生—神经病学与精神病学] R392.11[医药卫生—临床医学]

 

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