Neuronal AMPK Mediator of Nutritional Regulation and Energy Homeostasis.

The role of neuronal AMPK as a mediator of nutritional regulation of food intake and energy homeostasis.

Pimentel GD, et al.

Metabolism. 2012 Aug 13.


Hypothalamic 5′-adenosine monophosphate-activated protein kinase (AMPK) senses intracellular metabolic stress, i.e., an increase in the cellular AMP:ATP ratio, and integrates diverse hormonal and nutritional signals to restore energy balance. Recent evidence suggests that different nutrients can modulate AMPK activity in the hypothalamus, thereby controlling weight gain through a leptin-independent mechanism. Understanding the mechanisms by which nutrients control hypothalamic AMPK activity is crucial to the development of effective nutritional interventions for the treatment of food intake-related disorders, such as anorexia and obesity. This article highlights the current evidence for the intricate relationship between nutrients and hypothalamic AMPK activity.

Source: Department of Internal Medicine, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas/São Paulo, Brazil.

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