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P1‐220: Hypercholesterolemia accelerates memory impairment in a transgenic mouse model of Abeta oligomers
Author(s) -
Kitajima Erika,
Umeda Tomohiro,
Idomoto Toshiki,
Lambert Mary P.,
Klein William L.,
Tomiyama Takami,
Mori Hiroshi
Publication year - 2010
Publication title -
alzheimer's and dementia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.713
H-Index - 118
eISSN - 1552-5279
pISSN - 1552-5260
DOI - 10.1016/j.jalz.2010.05.771
Subject(s) - morris water navigation task , genetically modified mouse , endocrinology , medicine , cholesterol , transgene , memory impairment , amyloid (mycology) , chemistry , hippocampus , pathology , cognition , biochemistry , psychiatry , gene
deposition, most significantly in aged mice. Biochemical evaluation of pTau, including Tau-pS422, in brain extracts showed slightly reduced levels at 8 months of age and significantly reduced levels at older ages. Conclusions: Transgenic expression of a human anti-Ab antibody prevents build-up of amyloid and significantly reduces pTau accumulation in TauPS2APP/huMAB mice. These data strongly suggest that lowering amyloid by anti-Ab immunotherapy also reduces pathological Tau and thus may inhibit pTau related neurodegeneration.

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