Emergence of immunoreactivities for phosphorylated tau and amyloid-β protein in chronic stage of fluid percussion injury in rat brain

被引:51
作者
Hoshino, S
Tamaoka, A
Takahashi, M
Kobayashi, S
Furukawa, T
Oaki, Y
Mori, O
Matsuno, S
Shoji, S
Inomata, M
Teramoto, A
机构
[1] Chiba Hokusoh Hosp, Nippon Med Sch, Dept Neurosurg, Chiba 27016, Japan
[2] Chiba Hokusoh Hosp, Nippon Med Sch, Dept Pathol, Chiba 27016, Japan
[3] Univ Tsukuba, Inst Clin Med, Dept Neurol, Tsukuba, Ibaraki 305, Japan
[4] Yamanouchi Pharmaceut Co Ltd, Tokyo, Japan
[5] Nippon Med Sch, Hlth Sci Res Inst, Tokyo, Japan
[6] Nippon Med Sch, Dept Neurosurg, Tokyo, Japan
关键词
Alzheimer's disease; amyloid-beta protein; brain injury; rat; tau;
D O I
10.1097/00001756-199806010-00039
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
HEAD injury is one of the potential environmental factors in Alzheimer's disease (AD). To study the chronic stage of concussive brain injury, histological analyses were performed 2-6 months after right lateral fluid percussion (FP) brain injury (3.6-4.8 atm) in rats. Six months after injury, numerous normal-looking neurons in the telencephalon and brain stem were immunoreactive with either antibody to phosphorylated tau or with four antibodies to beta-amyloid protein. Neuronal counts in the cortices were gradually decreased after injury, up to 42% loss at 6 months after injury. These neuropathological changes suggest that this animal model could serve as a good animal model of neurodegenerative diseases such as AD. (C) 1998 Rapid Science Ltd.
引用
收藏
页码:1879 / 1883
页数:5
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