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- W2800229163 endingPage "127" @default.
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- W2800229163 abstract "It is well established that chronic undernutrition has detrimental impacts on brain development and maturation. However, protein malnutrition during the period specifically encompassing the brain growth spurt has not been widely studied, particularly regarding its effects on adolescent and adult offspring behavior. Here, we assessed the effects of a protein-free diet during the 1st 10 postnatal days on the macronutrient content of the milk produced by lactating Wistar rats, on their maternal behavior, and on the offspring's behavior. Lactating dams were fed either a protein-free or a normoprotein diet from litter parturition to Postnatal Day 10 (P10). All dams received the normoprotein diet after P10. Offspring were tested in the elevated plus-maze (anxiety-like behavior), hole board arena (novelty-seeking and locomotor activity), and radial arm water maze (memory-learning) at either P40 (adolescents) or P90 (adults). The protein-free diet reduced milk protein content at P10 but not at P20. Carbohydrate and lipid contents were unaffected. Serum corticosterone levels in the offspring (at P10, P40, or P90) and dams (at P21) were not affected by the protein-free diet. Maternal behavior was also unchanged. In the offspring, no differences were observed between groups regarding anxiety-like behaviors at both ages. The protein-free diet increased adolescent locomotor activity as well as adult novelty-seeking behavior and memory performance. Our results indicate that the brain growth spurt period is particularly sensitive to protein malnutrition, showing that even a brief nutritional insult during this period can cause specific age-dependent behavioral effects on the offspring. (PsycINFO Database Record" @default.
- W2800229163 created "2018-05-17" @default.
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- W2800229163 date "2018-04-01" @default.
- W2800229163 modified "2023-09-27" @default.
- W2800229163 title "Maternal protein-free diet during lactation programs male Wistar rat offspring for increased novelty-seeking, locomotor activity, and visuospatial performance." @default.
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