Reduced hepatocellular lipid accumulation and energy metabolism in patients with long standing type 1 diabetes mellitus

Scientific Reports
Peter WolfMichael Krebs

Abstract

The prevalence of obesity and metabolic syndrome increases in patients with type 1 diabetes mellitus (T1DM). In the general population this is linked with ectopic lipid accumulation in liver (HCL) and skeletal muscle (IMCL), representing hallmarks in the development of insulin resistance. Moreover, hepatic mitochondrial activity is lower in newly diagnosed patients with T1DM. If this precedes later development of diabetes related fatty liver disease is currently not known. This study aims to investigate energy metabolism in liver (kATP) and skeletal muscle (kCK) and its impact on HCL, IMCL, cardiac fat depots and heart function in 10 patients with long standing T1DM compared to 11 well-matched controls by 31P/1H magnetic resonance spectroscopy. HCL was almost 70% lower in T1DM compared to controls (6.9 ± 5% vs 2.1 ± 1.3%; p = 0.030). Also kATP was significantly reduced (0.33 ± 0.1 s-1 vs 0.17 ± 0.1 s-1; p = 0.018). In T1DM, dose of basal insulin strongly correlated with BMI (r = 0.676, p = 0.032) and HCL (r = 0.643, p = 0.045), but not with kATP. In the whole cohort, HCL was significantly associated with BMI (r = 0.615, p = 0.005). In skeletal muscle kCK was lower in patients with T1DM (0.25 ± 0.05 s-1 vs 0.31 ± 0-04 s-1; p = 0...Continue Reading

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Citations

Jun 10, 2020·NMR in Biomedicine·Aline XavierJeanine J Prompers

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Methods Mentioned

BETA
saturation transfer

Clinical Trials Mentioned

NCT02023489

Software Mentioned

SPSS
ARGUS

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