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The Role of Neuropeptide Y in Energy Homeostasis

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Part of the book series: Handbook of Experimental Pharmacology ((HEP,volume 209))

Abstract

When administered into the brain, NPY acts at Y1 and Y5 receptors to increase food intake. The response occurs with a short latency and is quite robust, such that exogenous NPY is generally considered to be the most potent of a growing list of orexigenic compounds that act in the brain. The role of endogenous NPY is not so straightforward, however. Evidence from diverse types of experiments suggests that rather than initiating behavioral eating per se, endogenous NPY elicits autonomic responses that prepare the individual to better cope with consuming a calorically large meal.

Supported by NIH DK17844.

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Chambers, A.P., Woods, S.C. (2012). The Role of Neuropeptide Y in Energy Homeostasis. In: Joost, HG. (eds) Appetite Control. Handbook of Experimental Pharmacology, vol 209. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24716-3_2

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