Abeta N-terminal-end specific antibody reduced beta-amyloid in Alzheimer-model mice |
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Authors: | Horikoshi Yuko Mori Takashi Maeda Masahiro Kinoshita Noriaki Sato Kumiko Yamaguchi Haruyasu |
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Institution: | a Gunma University School of Health Sciences, Maebashi, Gunma 371-8514, Japan b Immuno-Biological Laboratories Co., Ltd. (IBL), Fujioka, Gunma 375-0005, Japan c Institute of Medical Science, Saitama Medical Center/School, Kawagoe, Saitama 350-8550, Japan |
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Abstract: | Alzheimer’s disease (AD) is a neurodegenerative disease with memory dysfunction that is causing serious medical problems in modern society. For the fundamental treatment of AD, an amyloid β protein (Aβ) vaccine is considered to be the most potent candidate. To cure AD, we developed Aβ N-terminal-end specific monoclonal antibody named 82E1, which does not cross-react with full-length Aβ precursor. Passive intraperitoneal administration of 82E1 markedly reduced total plaque area (Aβ burden) in the Tg2576 mouse brains. This was confirmed by the ELISA measurement of insoluble Aβ in the brain homogenates. The density of diffuse plaques, which increases in the late stage, was markedly reduced by the administration of 82E1, suggesting that the reduction of the Aβ burden was due to the prevention of newly developed diffuse plaques. Above results provide an insight into the further therapeutic intervention in AD with few adverse effects. |
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Keywords: | Aβ Administration Alzheimer Antibody APP ELISA Immunohistochemistry Tg2576 |
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