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Correlation of behavior changes and BOLD signal in Alzheimer-like rat model
Hu, ZH; Wang, XC; Li, LY; Liu, ML; Liu, R; Ling, ZQ; Tian, Q; Tang, XW; Wu, YG; Wang, JZ; Tang XW(唐孝威); Wu YG(吴义根)
2004
发表期刊ACTA BIOCHIMICA ET BIOPHYSICA SINICA
卷号36期号:12页码:803-810
通讯作者Huazhong Univ Sci & Technol, Tongji Med Coll, Dept Pathophysiol, Wuhan 430030, Peoples R China ; Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China ; Zhejiang Univ, BioX Disciplinary Lab, Hangzhou 310027, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Chinese Acad Sci, Key Lab Nucl Anal Tech, Beijing 100039, Peoples R China ; Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
摘要To explore a potential means for the early diagnosis of Alzheimer disease, we studied the relationship of resting T2* signal and tau hyperphosphorylation/spatial memory deficit. The rat model with tau hyperphosphorylation and spatial memory deficit was established by bilateral hippocampi injection of isoproterenol (IP). Then, the correlative alteration between resting T2* signal and spatial memory retention was assessed with blood oxygenation level dependent (BOLD) functional magnetic resonance imaging (fMRI) study and Morris Water Maze test, and Western blot was employed to confirm tau hyperphosphorylation. The analysis showed following results. (1) Tau phosphorylation at Ser(396)/Ser(404) and Ser(199)/Ser(202) was significantly increased in IP-injected rats as detected by PHF-1 and tau-1, respectively. (2) An AD-like spatial memory retention disturbance was induced at 24 h after isoproterenol injection. (3) A sensitivity threshold of resting T2* signal intensity, which separated the IP-treated rats from vehicle control, was obtained by applying linear regression analysis, and an estimated sensitivity statistical threshold was at 32.62. These results suggest that resting T2* signal may serve as a noninvasive quantitative marker in predicting AD-like spatial memory deficits and tau hyperphosphorylation.
文章类型Article
关键词Alzheimer disease (AD) functional magnetic resonance imaging (fMRI) isoproterenol (IP) Morris Water Maze diagnosis
学科领域Biochemistry & Molecular Biology; Biophysics
研究领域[WOS]Biochemistry & Molecular Biology ; Biophysics
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语种英语
WOS类目Biochemistry & Molecular Biology ; Biophysics
WOS记录号WOS:000225986000004
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238522
专题院士
作者单位中国科学院高能物理研究所
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Hu, ZH,Wang, XC,Li, LY,et al. Correlation of behavior changes and BOLD signal in Alzheimer-like rat model[J]. ACTA BIOCHIMICA ET BIOPHYSICA SINICA,2004,36(12):803-810.
APA Hu, ZH.,Wang, XC.,Li, LY.,Liu, ML.,Liu, R.,...&吴义根.(2004).Correlation of behavior changes and BOLD signal in Alzheimer-like rat model.ACTA BIOCHIMICA ET BIOPHYSICA SINICA,36(12),803-810.
MLA Hu, ZH,et al."Correlation of behavior changes and BOLD signal in Alzheimer-like rat model".ACTA BIOCHIMICA ET BIOPHYSICA SINICA 36.12(2004):803-810.
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