Cited by 331Adipokines, Inflammation, and Metabolic DiseasesMetabolism, Diabetes, and CancerAdipose Tissue and Metabolism

Redistribution of substrates to adipose tissue promotes obesity in mice with selective insulin resistance in muscle

Open access
Kim, Jason K., Michael, M. Dodson, Previs, Stephen F., Peroni, Odile D., Mauvais-Jarvis, Franck, Neschen, Susanne, Kahn, Barbara B., Kahn, C. Ronald +1 more·2000·Journal of Clinical Investigation

Abstract

Obesity and insulin resistance in skeletal muscle are two major factors in the pathogenesis of type 2 diabetes. Mice with muscle-specific inactivation of the insulin receptor gene (MIRKO) are normoglycemic but have increased fat mass. To identify the potential mechanism for this important association, we examined insulin action in specific tissues of MIRKO and control mice under hyperinsulinemic-euglycemic conditions. We found that insulin-stimulated muscle glucose transport and glycogen synthesis were decreased by about 80% in MIRKO mice, whereas insulin-stimulated fat glucose transport was increased threefold in MIRKO mice. These data demonstrate that selective insulin resistance in muscle promotes redistribution of substrates to adipose tissue thereby contributing to increased adiposity and development of the prediabetic syndrome.

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  • In genetic mouse models of muscle-specific IR, by deleting the IRTK or GLUT4 genes, hepatic steatosis and adiposity were increased.

    “In genetic mouse models of muscle-specific IR, by deleting the IRTK [142] or GLUT4 [143] genes, hepatic steatosis and adiposity were increased [142].”
  • Mice with muscle-specific inactivation of the insulin receptor gene have increased plasma triglycerides and increased adiposity as a result of muscle-specific insulin resistance.

    “This hypothesis is further supported by studies in mice with muscle-specific inactivation of the insulin receptor gene, which have been shown to have increased plasma triglycerides and increased adiposity as a result of muscle-specific insulin resistance (14).”

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Authors
Kim, J. K., Michael, M. D., Previs, S. F., Peroni, O. D., Mauvais-Jarvis, F., Neschen, S., Kahn, B. B., Kahn, C. R., & Shulman, G. I.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Joslin Diabetes Center (US)
  • Beth Israel Deaconess Medical Center (US)
Corresponding author
Shulman, Gerald I.
Venue
Journal of Clinical Investigation
Published
2000-06-15
Volume
105
Issue
12
Pages
1791-1797
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2120413507
Cited by
331
References
31
Citations by year
2026: 1 · 2025: 1 · 2024: 6 · 2023: 11 · 2022: 3 · 2021: 11 · 2020: 7 · 2019: 7 · 2018: 5 · 2017: 14 · 2016: 14 · 2015: 14 · 2014: 14 · 2013: 17 · 2012: 14
FWCI
13.90
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • U.S. Public Health Service
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK45735, R01-DK40936, R01 DK43051, R01DK080756, R01DK040936, R01DK033201, R01DK043051, P30DK045735)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
skeletal muscle, adipose tissue, obesity, type 2 diabetes, insulin receptor, muscle glucose transport, glycogen synthesis, hyperinsulinemic-euglycemic clamp, prediabetes, adiposity
MeSH terms
Adipose Tissue, Animals, Blood Glucose, Glucose, Glycogen, Glycolysis, Hyperinsulinism, Insulin, Insulin Resistance, Male, Obesity, Receptor, Insulin, Reference Values, Glucose Clamp Technique, Mice, Knockout, Muscle, Skeletal, Mice

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