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- Title
Elevation of Zinc Transporter ZnT3 Protein in the Cerebellar Cortex of the AβPP/PS1 Transgenic Mouse.
- Authors
Wei Zheng; Tao Wang; Yu, Dan; Wan-Yu Feng; Ying-Xue Nie; Stoltenberg, Meredin; Danscher, Gorm; Wang, Zhan-You
- Abstract
The presence of senile plaques containing abundant amyloid-β (Aβ) peptide is one of the major pathological hallmarks of Alzheimer's disease (AD). Recent studies support the notion that overexpression of zinc transporters (ZnT) is involved in zinc metabolic disturbances and Aβ aggregation in AD brains. Here we present data showing an elevated expression of zinc transporter 3 (ZnT3) protein, revealed by immunoblotting assay, in the cerebellum of the amyloid-β protein precursor (AβPP)/presenilin 1 (PS1) transgenic mouse. Confocal microscopic and autometallographic results showed that ZnT3 immunofluorescence and zinc ions were predominantly located in the amyloid plaques. ZnT3 protein was abundantly distributed throughout the plaques, whereas zinc ions were mainly located in the peripheral parts of rosette-shaped plaques with a lightly stained center. Collectively, our results suggest that ZnT3 protein is involved in the Aβ aggregation in the cerebellum of the AβPP/PS1 mouse.
- Subjects
ZINC; CEREBELLAR cortex; TRANSGENIC mice; ALZHEIMER'S disease research; AMYLOID
- Publication
Journal of Alzheimer's Disease, 2010, Vol 20, Issue 1, p323
- ISSN
1387-2877
- Publication type
Article
- DOI
10.3233/JAD-2010-1363