Cited by 1,264Diabetes, Cardiovascular Risks, and LipoproteinsAdvanced MRI Techniques and ApplicationsLiver Disease Diagnosis and Treatment

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Intramyocellular lipid concentrations are correlated with insulin sensitivity in humans: a 1 H NMR spectroscopy study

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Krssak, M., Falk Petersen, K., Dresner, A., DiPietro, L., Vogel, S. M., Rothman, D. L., Shulman, G. I., Roden, M.·1999·Diabetologia

Abstract

Recent muscle biopsy studies have shown a relation between intramuscular lipid content and insulin resistance. The aim of this study was to test this relation in humans by using a novel proton nuclear magnetic resonance (1H NMR) spectroscopy technique, which enables non-invasive and rapid (approximately 45 min) determination of intramyocellular lipid (IMCL) content. Normal weight non-diabetic adults (n = 23, age 29+/-2 years. BMI = 24.1+/-0.5 kg/m2) were studied using cross-sectional analysis. Insulin sensitivity was assessed by a 2-h hyperinsulinaemic (approximately 450 pmol/l)-euglycaemic (approximately 5 mmol/l) clamp test. Intramyocellular lipid concentrations were determined by using localized 1H NMR spectroscopy of soleus muscle. Simple linear regression analysis showed an inverse correlation (r = -0.579, p = 0.0037) [corrected] between intramyocellular lipid content and M-value (100-120 min of clamp) as well as between fasting plasma non-esterified fatty acid concentration and M-value (r = -0.54, p = 0.0267). Intramyocellular lipid content was not related to BMI, age and fasting plasma concentrations of triglycerides, non-esterified fatty acids, glucose or insulin. These results show that intramyocellular lipid concentration, as assessed non invasively by localized 1H NMR spectroscopy, is a good indicator of whole body insulin sensitivity in non-diabetic, non-obese humans.

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Metadata

Authors
Krssak, M., Falk Petersen, K., Dresner, A., DiPietro, L., Vogel, S. M., Rothman, D. L., Shulman, G. I., & Roden, M.
Affiliations
  • Yale University (US)
  • Howard Hughes Medical Institute (US)
  • University of Vienna (AT)
Venue
Diabetologia
Published
1999-01-11
Volume
42
Issue
1
Pages
113-116
ISSN
  • 0012-186X (ISSN-L)
  • 1432-0428
OpenAlex
W2092441434
Cited by
1,264
References
13
Citations by year
2026: 10 · 2025: 17 · 2024: 19 · 2023: 19 · 2022: 21 · 2021: 38 · 2020: 40 · 2019: 39 · 2018: 49 · 2017: 51 · 2016: 51 · 2015: 64 · 2014: 51 · 2013: 52 · 2012: 59
FWCI
22.58
Type
journal article
Language
en
Open access
Locations
  • Diabetologia (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • Yale University
  • Universität Wien
  • Oesterreichische Nationalbank
  • National Institutes of Health (P30 DK)
  • U.S. Public Health Service
  • National Institute on Aging (5 P60 AG 10469, P60AG010469)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK45735, R01DK049230, R01 DK-49230, P30DK045735)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Health Sciences › Medicine › Hepatology › Liver Disease Diagnosis and Treatment
Keywords
intramyocellular lipid, insulin sensitivity, insulin resistance, hyperinsulinemic-euglycemic clamp, free fatty acids, soleus muscle, whole-body insulin sensitivity
MeSH terms
Adult, Blood Glucose, Fasting, Fatty Acids, Nonesterified, Female, Humans, Hydrogen, Infusions, Intravenous, Insulin, Male, Magnetic Resonance Spectroscopy, Regression Analysis, Triglycerides, Glucose Clamp Technique, Muscle, Skeletal, Lipid Metabolism

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