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Review
, 42 (4), 384-392

Mechanisms of AMPK in the Maintenance of ATP Balance During Energy Metabolism

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Review

Mechanisms of AMPK in the Maintenance of ATP Balance During Energy Metabolism

Rong Ke et al. Cell Biol Int.

Abstract

AMP-activated protein kinase (AMPK) is a conserved sensor of cellular energy change and is activated by increased AMP/ATP and/or ADP/ATP ratios. AMPK maintains the energy balance by decreasing the ATP-consuming processes such as transcription of synthetic fat genes and rRNA, the translation of ribosomal proteins, synthesis of cholesterol and fatty acid, while the metabolic pathways such as glucose and fatty transport, fatty acid oxidation, autophagy, mitochondrial synthesis and oxidative metabolism are increased to preserve ATP during energy deficiency. Recent advance has demonstrated that AMPK activity has a close association with the initiation and progression in various cancers. Here we review the mechanisms that AMPK controls energy metabolism through regulating ATP synthesis and consumption, and further discuss the deregulation of AMPK in cancers.

Keywords: AMPK; ATP synthesis and consumption; energy metabolism.

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