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The Influence of the Microbiome on Metabolism: Featuring the MetabolicBiome™ Plus Program

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    Regenerating the Brain's Immune System Boosts Memory

    BLOGIMAGE_10-22A fascinating new paper published in the Journal of Neuroinflammation, by RMIT University, has found that the brain’s microglia (part of the brain’s immune system) can be activated to either inflame and negatively impact neurodegenerative diseases, or protect the brain’s immune system, impacting the ability to learn and remember. Previously we thought that the microglia, when activated, would only impact inflammation in a negative sense.

    Associate Professor Sarah Spencer, a researcher in the Neurodevelopment in Health and Disease program at RMIT, led the research that exposed how removing the microglia had no impact. However, regenerating the microglia helped the animal subjects perform 25-50% better in memory tests. Spencer said, "We are still exploring what makes these cells different when they repopulate the brain, but their shape tells us they may be more active than usual, potentially making the neurons more effective to encourage better memory." 

    The boost in cognition in rats was short-lived, though promising. The research established a direct correlation between memory and newly formed microglial cells in the brain. Spencer and her team are now focusing on the next phase of development, stating "The next stage in the research is closely investigating these regenerated microglia to better understand the mechanisms at work, with the aim of finding ways to turn the temporary memory boost into a long-lasting effect."

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