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Neuropeptide Y stimulates autophagy in hypothalamic neurons
Abstract and Figures
Significance Autophagy impairment is a major hallmark of aging, and any intervention that enhances autophagy is of potential interest to delay aging. However, it was described that the hypothalamus is a brain area with a key role on whole-body aging. In the present study, we show that an endogenous molecule produced by the hypothalamus, the neuropeptide Y (NPY), stimulates autophagy in rodent hypothalamus. Because both hypothalamic autophagy and NPY levels decrease with age, a better understanding of hypothalamic neuronal autophagy regulation by NPY may provide new putative therapeutic strategies to ameliorate age-related deteriorations and delay aging.
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