Synergistic effects of stress and omega-3 fatty acid deprivation on emotional response and brain lipid composition in adult rats.

作者: G. Mathieu , S. Denis , M. Lavialle , S. Vancassel

DOI: 10.1016/J.PLEFA.2008.05.003

关键词:

摘要: The aim was to determine the consequences of multi-generational n-3 polyunsaturated fatty acids (PUFA) deficiency on emotional response in rats subjected maternal separation (MS) as chronic early life stress. Pups fed a control or an PUFA deficient diet were daily separated for 2 weeks before weaning. In adult rats, reward assessed by sucrose consumption and reactivity novelty using openfield test. Both MS increased impulsivity. Moreover, nutritional stress acted synergy elevate intake 80%, compared conditions. deprivation induced depletion docosahexanoeic acid brain membranes 70% compensated increase 22:5 n-6 arachidonic (AA) levels. diet-induced AA was, however, significantly higher rats. This suggests that deficit could be environmental risk increasing vulnerability depressive-like

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