- Author
-
E.M. Brouwer-Brolsma
T. Schuurman
L.C.P.G.M. de Groot
E.J.M. Feskens
C. Lute
E.F.G. Naninck
S.S. Arndt
F.J. van der Staay
N. Bravenboer
A. Korosi
W.T. Steegenga - Year
- 2014
- Title
- No role for vitamin D or a moderate fat diet in aging induced cognitive decline and emotional reactivity in C57BL/6 mice
- Journal
- Behavioural Brain Research
- Volume
- 267
- Pages (from-to)
- 133-143
- Document type
- Article
- Faculty
- Faculty of Science (FNWI)
- Institute
- Swammerdam Institute for Life Sciences (SILS)
- Abstract
-
BACKGROUND: Epidemiological studies have shown associations between vitamin D, mental health and glucose homeostasis in the elderly. Causal evidence, however, is still lacking.
OBJECTIVE: The objective of this study was to investigate the importance of vitamin D in the prevention of emotional disturbances and cognitive decline in aging C57BL/6 mice, with pre-diabetes type II as potential effect modifier.
METHODS: Mice were exposed to one of four diets from 10 months till 24 months of age: low fat vitamin D adequate (LFD), LF vitamin D deficient (LF), moderate fat vitamin D adequate (MFD), and MF vitamin D deficient (MF). The MFD/MF diet was applied to induce a condition resembling pre-diabetes type II. Behavior was assessed twice in the same group of mice at 6-8 and at 22-23 months of age using the Open Field Test (OFT), Elevated Plus Maze (EPM), Object Recognition Test (ORT) and the Morris Water Maze (MWM).
RESULTS: We successfully induced vitamin D deficiency in the LF/MF mice. Moreover, fasting glucose and fasting insulin levels were significantly higher in MFD/MF mice than in LFD/LF mice. A significant aging effect was observed for most behavioral parameters. A MF(D) diet was shown to delay or prevent the age-related increase in emotional reactivity in the EPM. No effect of vitamin D or vitamin D*fat on behavioral outcomes was measured.
CONCLUSION: Aging significantly affected emotional reactivity and cognitive performance. Although other studies have shown effects of vitamin D on emotional reactivity and cognitive performance in mice, these findings could not be confirmed in aged C57BL/6 mice in this study. - URL
- go to publisher's site
- Language
- English
- Persistent Identifier
- https://hdl.handle.net/11245/1.429904
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