Abstract

Dysregulation of gluconeogenesis is a key pathological feature of type 2 diabetes. However, the molecular mechanisms underlying the regulation of gluconeogenesis remain unclear. Bhalla etal. recently reported that cyclin D1 suppresses hepatic gluconeogenesis through CDK4-dependent phosphorylation of PGC1alpha and consequent inhibition of its activity. The cyclin D1-CDK4 might thus serve as an important link between the cell cycle and control of energy metabolism through modulation of PGC1alpha activity.

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