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Cell Cycle. 2011 Oct 15;10(20):3452-60. doi: 10.4161/cc.10.20.17953.

Bioenergy sensing in the brain: the role of AMP-activated protein kinase in neuronal metabolism, development and neurological diseases.

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1
Department of Biology, Boston University, Boston, MA, USA.

Abstract

Bioenergy homeostasis constitutes one of the most crucial foundations upon which other cellular and organismal processes may be executed. AMP-activated protein kinase (AMPK) has been shown to be the key player in the regulation of energy metabolism, and thus is becoming the focus of research on obesity, diabetes and other metabolic disorders. However, its role in the brain, the most energy-consuming organ in our body, has only recently been studied and appreciated. Widely expressed in the brain, AMPK activity is tightly coupled to the energy status at both neuronal and whole-body levels. Importantly, AMPK signaling is intimately implicated in multiple aspects of brain development and function including neuronal proliferation, migration, morphogenesis and synaptic communication, as well as in pathological conditions such as neuronal cell death, energy depletion and neurodegenerative disorders.

PMID:
22067656
PMCID:
PMC3266175
DOI:
10.4161/cc.10.20.17953
[Indexed for MEDLINE]
Free PMC Article
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