beta-Glucan-Rich extract of Gray Oyster Mushroom, Pleurotus pulmonarius, improves object recognition memory and Hippocampus Morphology in mice fed a high-fat diet

Obesity may cause behavioral alterations, while maternal obesity can contribute to metabolic disorders in subsequent generations. The effect of beta-glucan-rich Pleurotus pulmonarius (beta gPp) was investigated on mouse neurobehavior and hippocampus and its offspring's hippocampus development....

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Main Authors: Tarmizi, Nor Athirah Kamaliah Ahmad, Kushairi, Naufal, Phan, Chia Wei, Sabaratnam, Vikineswary, Kuppusamy Naidu, Murali, David, Pamela
Format: Article
Published: Mary Ann Liebert, Inc 2022
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Online Access:http://eprints.um.edu.my/43063/
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Summary:Obesity may cause behavioral alterations, while maternal obesity can contribute to metabolic disorders in subsequent generations. The effect of beta-glucan-rich Pleurotus pulmonarius (beta gPp) was investigated on mouse neurobehavior and hippocampus and its offspring's hippocampus development. Female ICR mice were fed with normal diet (ND), ND with beta gPp, high-fat diet (HFD), or HFD with beta gPp for 3 months followed by behavioral test and mating. Immunohistochemistry for the expression of neuronal nuclear protein (NeuN) and ionized calcium binding adaptor molecule-1 (Iba-1) in the hippocampus was carried out. beta gPp significantly enhanced short-term object recognition memory in HFD-fed mice. beta gPp also ameliorated the histological alterations and neuronal loss and increased Iba-1-positive microglia in the hippocampus regions of HFD-fed mice and their male offspring. These findings demonstrated that beta gPp supplementation attenuated the effects of HFD on object recognition memory and the alterations on the hippocampal regions of maternal mice and their male offspring.