Establishment of a Mouse Model of Alzheimer Dementia / 医学研究杂志
Journal of Medical Research
;
(12)2006.
Artigo
em Chinês
| WPRIM
| ID: wpr-567400
ABSTRACT
Objective To establish a Alzheimer dementia(AD) model in mice. Methods The C57BL/6 mice were lesioned with ibotenic acid in Nucleus basalis of Meynert(NBM). Behavioral tests by eight-arm radial maze were conducted 8 weeks, and immunohistochemical staining of choline acetyltransferase(ChAT), serotonin(5-HT), GAD(GABA), amyloid-?protein (AP) was conducted 12 weeks after NBM lesioning. Results In NBM lesioned mice, the ChAT-positive neurons, serotonin-positive neurons, and GAD-positive neurons in right NBM reduced, and ChAT-positive neurons reduced most evidently. At the same time, the ChAT-positive fibers in prefrontal and parietal cortices decreased significantly, serotonin-positive axons slightly, accompanied by heavily AP co-expression. On the contrary, there was no change of GAD-positive neurons in cortex. The working memory error increased significantly.Conclusion Ibotenic acid lesioning in NBM can provide as a model of AD in that it produces deafferentation of cholinergic system and recent memory disruption.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Idioma:
Chinês
Revista:
Journal of Medical Research
Ano de publicação:
2006
Tipo de documento:
Artigo
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