Brains devastated by Alzheimers disease (AD) can be rejuvenated by restoring the expression of a microRNA molecule, report scientists based at the Leuven Brain Institute and the Netherlands Institute for Neuroscience (NIN). The molecule, miR-132, is one of the most consistently downregulated microRNAs in AD. According to the scientists, miR-132 loss in AD inhibits the generation of new neurons at the hippocampus, where memories are initially formed
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