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- W2803784647 abstract "Abstract While amyloid-beta (Aβ) peptides play a central role in the development of Alzheimer’s disease (AD), recent evidence also implicates altered metabolism of L-arginine in the pathogenesis of AD. The present study systematically investigated how behavioural function and the brain and plasma arginine metabolic profiles changed in a chronic Aβ accumulation model using male APPswe/PS1ΔE9 transgenic (Tg) mice at 7 and 13 months of age. As compared to their wild-type (WT) littermates, Tg mice displayed age-related deficits in spatial water maze tasks and alterations in brain arginine metabolism. Interestingly, the plasma arginine metabolic profile was markedly altered in 7-month Tg mice prior to major behavioural impairment. Receiver operating characteristic curve analysis revealed that plasma putrescine and spermine significantly differentiated between Tg and WT mice. These results demonstrate the parallel development of altered brain arginine metabolism and behavioural deficits in Tg mice. The altered plasma arginine metabolic profile that preceded the behavioural and brain profile changes suggests that there may be merit in an arginine-centric set of ante-mortem biomarkers for AD." @default.
- W2803784647 created "2018-06-01" @default.
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- W2803784647 date "2018-05-25" @default.
- W2803784647 modified "2023-10-18" @default.
- W2803784647 title "Altered plasma arginine metabolome precedes behavioural and brain arginine metabolomic profile changes in the APPswe/PS1ΔE9 mouse model of Alzheimer’s disease" @default.
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- W2803784647 doi "https://doi.org/10.1038/s41398-018-0149-z" @default.
- W2803784647 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5970225" @default.
- W2803784647 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/29802260" @default.
- W2803784647 hasPublicationYear "2018" @default.
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