Nestin as an early sensitive marker for hippocampus injury following transient cerebral ischemia in rats
Yao Zhi-bi
Abstract
Yao Zhi-bi
Abstract
Objective:To investigate the early Nestin expression in hippocampus in rats following the transient cerebral ischemia.Methods:Male SpragueDawley rats were divided into normal control,sham operation control and injury group.Animals in injury group were subjected to four vessels occlusion operation,and then were subdivided into 1,3,7,14 and 21 days groups according to the time elapsed after injury.The expression of Nestin and glial fibrillary acidic protein (GFAP) were determined by immunohistochemistry.Results:The numbers of Nestin positive cells increased bilaterally in hippocampus on day one postinjury,peaked on day seven and then returned to the normal level on day 14 postinjury.The numbers of GFAP positive cells slightly increased on day three,peaked on day seven and then decreased.Conclusions:Nestin is an early sensitive molecular marker for hippocampus injury following transient cerebral ischemia in rats.
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Objective:To investigate the early Nestin expression in hippocampus in rats following the transient cerebral ischemia.Methods:Male SpragueDawley rats were divided into normal control,sham operation control and injury group.Animals in injury group were subjected to four vessels occlusion operation,and then were subdivided into 1,3,7,14 and 21 days groups according to the time elapsed after injury.The expression of Nestin and glial fibrillary acidic protein (GFAP) were determined by immunohistochemistry.Results:The numbers of Nestin positive cells increased bilaterally in hippocampus on day one postinjury,peaked on day seven and then returned to the normal level on day 14 postinjury.The numbers of GFAP positive cells slightly increased on day three,peaked on day seven and then decreased.Conclusions:Nestin is an early sensitive molecular marker for hippocampus injury following transient cerebral ischemia in rats.
Key concepts: Nestin, Glial fibrillary acidic protein, Medicine, Ischemia, Hippocampus, Immunohistochemistry, Pathology, Brain ischemia