| The impact of maternal cafeteria diet on anxiety-related behaviour and exploration in the offspring. | |
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MedLine Citation:
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PMID: 21241725 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Contemporary trends in obesity mean that research into whether unbalanced diets could impact on behavioural traits became increasingly important. The timing of exposure to obesity is particularly important, as sensitive periods during development have been identified where dietary extremes play a critical role in determining adult risk of physiological dysfunction. To this end, female Wistar rats were fed on chow or cafeteria diet (CD) for 8weeks from weaning until mating. Half of the mated animals within each group were crossed-over to the alternative diet. This generated four treatment groups, differing in their pre-gestational and gestational diets. After birth, offspring of dams from each of the 4 pregnancy groups were further divided into groups, either being fed chow or CD throughout lactation. Anxiety-related behaviour and exploration in the offspring were tested in the Elevated Plus Maze (EMP) and the Open Field (OF) at 10weeks of age. Maternal obesity significantly reduced the EPM locomotor activity in male and female offspring and grooming in males. Lactational CD had an anxiolytic effect in male offspring as shown in the EPM (increased entries into and more time on open arms) and the OF (shorter latency to enter the centre). In both sexes, lactational CD reduced grooming upon exposure to the EPM and the OF. Post mortem analysis revealed a stimulant effect of lactational CD on adipose tissue growth. The present study demonstrates that pre-gestational, gestational and lactational maternal CD programme behaviour in the offspring with lactational CD reducing anxiety in the male offspring. |
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Authors:
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Thomas Wright; Simon C Langley-Evans; Jörg-Peter Voigt |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-15 |
Journal Detail:
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Title: Physiology & behavior Volume: - ISSN: 1873-507X ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-1-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0151504 Medline TA: Physiol Behav Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier Inc. |
Affiliation:
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School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, Loughborough, LE12 5RD, United Kingdom. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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