Mechanisms by which a Very-Low-Calorie Diet Reverses Hyperglycemia in a Rat Model of Type 2 Diabetes.

ABSTRACT: Caloric restriction rapidly reverses type 2 diabetes (T2D), but the mechanism(s) of this reversal are poorly understood. Here we show that 3 days of a very-low-calorie diet (VLCD, one-quarter their typical intake) lowered plasma glucose and insulin concentrations in a rat model of T2D without altering body weight. The lower plasma glucose was associated with a 30% reduction in hepatic glucose production resulting from suppression of both gluconeogenesis from pyruvate carboxylase (V_PC), explained by a reduction in hepatic acetyl-CoA content, and net hepatic glycogenolysis. In addition, VLCD resulted in reductions in hepatic triglyceride and diacylglycerol content and PKCɛ translocation, associated with improved hepatic insulin sensitivity. Taken together, these data show that the

SUBMITTER: Perry RJ 

PROVIDER: S-EPMC5762419 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature