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Increased Aβ pathology in aged Tg2576 mice born to mothers fed a high fat diet

Nizari, Shereen; Carare, Roxana O. and Hawkes, Cheryl A. (2016). Increased Aβ pathology in aged Tg2576 mice born to mothers fed a high fat diet. Scientific reports, 6, article no. 21981.

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Maternal obesity is associated with increased risk of developing diabetes, obesity and premature death in adult offspring. Mid-life diabetes, hypertension and hypercholesterolaemia are risk factors for the development of sporadic Alzheimer's disease (AD). A key pathogenic feature of AD is the accumulation of β-amyloid (Aβ) in the brain. The purpose of this study was to investigate the effect of high fat diet feeding during early life on Aβ pathology in the Tg2576 mouse model of AD. Female mice were fed a standard (C) or high fat (HF) diet before mating and during gestation and lactation. At weaning, male offspring were fed a C diet. Significantly higher levels of guanidine-soluble Aβ and plaque loads were observed in the hippocampi of 11-month old Tg2576 mice born to mothers fed a HF diet. Changes in the extracellular matrix led to increased retention of Aβ within the parenchyma. These data support a role for maternal and gestational health on the health of the aged brain and pathologies associated with AD and may provide a novel target for both the prevention and treatment of AD.

Item Type: Journal Item
Copyright Holders: 2016 Macmillan Publishers Limited
ISSN: 2045-2322
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Life, Health and Chemical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
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Item ID: 45884
Depositing User: Cheryl Hawkes
Date Deposited: 30 Mar 2016 09:56
Last Modified: 23 May 2019 20:08
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