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Erschienen in: Neurotoxicity Research 3/2013

01.10.2013 | Short Report/Rapid Communication

Peripherally Applied Synthetic Peptide isoAsp7-Aβ(1-42) Triggers Cerebral β-Amyloidosis

verfasst von: S. A. Kozin, I. B. Cheglakov, A. A. Ovsepyan, G. B. Telegin, P. O. Tsvetkov, A. V. Lisitsa, A. A. Makarov

Erschienen in: Neurotoxicity Research | Ausgabe 3/2013

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Abstract

Intracerebral and intraperitoneal inoculation with β-amyloid-rich brain extracts originating from patients with Alzheimer’s disease as well as intracerebral injection of aggregates composed of synthetic Aβ can induce cerebral β-amyloidosis, and associated cognitive dysfunctions in susceptible animal hosts. We have found that repetitive intravenous administration of 100 μg of synthetic peptide corresponding to isoAsp7-containing Aβ(1-42), an abundant age-dependent Aβ isoform present both in the pathological brain and in synthetic Aβ preparations, robustly accelerates formation of classic dense-core congophilic amyloid plaques in the brain of β-amyloid precursor protein transgenic mice. Our findings indicate this peptide as an inductive agent of cerebral β-amyloidosis in vivo.
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Metadaten
Titel
Peripherally Applied Synthetic Peptide isoAsp7-Aβ(1-42) Triggers Cerebral β-Amyloidosis
verfasst von
S. A. Kozin
I. B. Cheglakov
A. A. Ovsepyan
G. B. Telegin
P. O. Tsvetkov
A. V. Lisitsa
A. A. Makarov
Publikationsdatum
01.10.2013
Verlag
Springer US
Erschienen in
Neurotoxicity Research / Ausgabe 3/2013
Print ISSN: 1029-8428
Elektronische ISSN: 1476-3524
DOI
https://doi.org/10.1007/s12640-013-9399-y

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