Cited by 162Metabolism, Diabetes, and CancerDiabetes, Cardiovascular Risks, and LipoproteinsMuscle Physiology and Disorders

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Decreased basal, noninsulin-stimulated glucose uptake and metabolism by skeletal soleus muscle isolated from obese-hyperglycemic (ob/ob) mice.

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Cuendet, G S, Loten, E G, Jeanrenaud, B, Renold, A E·1976·Journal of Clinical Investigation

Abstract

Insulin resistance of diaphragms of ob/ob mice has been repeatedly demonstrated previously both in vitro and in vivo. In the present study, transport and metabolism of glucose with and without insulin stimulation were compared in a skeletal muscle more likely than diaphragm or heart to be representative of the overall striated muscle mass, i.e. isolated soleus muscle. Compared with soleus muscle from lean controls, unstimulated lactate release in the presence of exogenous glucose was depressed from 16.2 to 12.3 nmol/60 min per mg wet wt in soleus from ob/ob mutants; glycolysis was decreased from 6.6 to 3.7 and [14C]glucose oxidation to 14CO2 from 0.90 to 0.33 nmol glucose/60 min per mg wet wt. Uptake of 2-deoxyglucose (2-DOG), both with and without insulin, was very much less for soleus from ob/ob than from lean mice, at 2-DOG concentrations ranging from 0.1 to 10 mM, and in mice of 6-15 wk. When 2-DOG concentration was 1 mM, its basal uptake was 0.53 nmol/30 min per mg wet wt for soleus of ob/ob as against 0.96 for soleus of lean mice. The absolute increment due to 1 mU/ml insulin was 0.49 in muscle of ob/ob as against 1.21 in that of lean mice. When the resistance to insulin action was decreased by pretreatment in vivo by either streptozotocin injection or fasting, the decreased basal 2-DOG uptake of subsequently isolated soleus muscle was not improved. Inhibition of endogenous oxidation of fatty acids by 2-bromostearate, while greatly increasing 14CO2 production from [14C]glucose, did not affect basal [5-3H]glucose metabolism or 2-DOG uptake. It is suggested that transport and/or phosphorylation of glucose under basal, unstimulated conditions are depressed in soleus muscle of ob/ob mice, whether or not resistance to insulin and hyperinsulinemia are also present. Although the origin of the decreased basal glucose uptake remains unknown it might be related to a similar decrease in basal glucose uptake by ventromedial hypothalamic cells, an event presumably resulting in a tendency to hyperphagia. Decreased basal glucose uptake by soleus muscle of ob/ob mice might explain the hyperglycemia, and hence partly the hyperinsulinemia and excessive fat deposition of those animals.

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Research works printed but not linked: 4

  1. Passonneau, J. V. 1970. Lactat Bestimmuniig. Flutori- metrische Methode. In Methoden der Enzymatischen Analyse. 2nd edition. Verlag-Chemie, Weinlheim, Germany. 1430-1433.
  2. Passonneau, J. V., and 0. H. Lowry. 1970. Pyrtuvat. Fluorometrische Bestimmung. In Methoden der Enzym- atischen Analyse. 2nd edition. Verlag-Chemie, Wein- heim, Gennany. 1412-1416.
  3. Williamson, D. H. 1970. L-Alamin. Bestimmung mit Alanin-Dehydrogenase. In Methoden der Enzymatischeni Analyse. 2nd edition. Verlag-Chemie, Weinheimii, Germany. 1634-1635.
  4. Gavin, J. R., III, J. Roth, D. NI. Neville, Jr., P. de Nleyts, and D. N. Btuell. 1974. Inistulin-dependent reguilation of inlstilinl receptor concenitrations: a direct demonistrationi in cell cultuire. Proc. Natl. Acad. Sci.

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Metadata

Authors
Cuendet, G. S., Loten, E. G., Jeanrenaud, B., & Renold, A. E.
Affiliations
University of Geneva (CH)
Venue
Journal of Clinical Investigation
Published
1976-11-01
Volume
58
Issue
5
Pages
1078-1088
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2055455959
Cited by
162
References
31
Citations by year
2025: 1 · 2024: 1 · 2023: 1 · 2022: 2 · 2021: 1 · 2020: 1 · 2018: 2 · 2017: 2 · 2016: 1 · 2013: 2 · 2012: 1
FWCI
4.11
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
Funders
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
Keywords
insulin resistance, ob/ob mice, leptin deficiency, skeletal muscle glucose uptake, soleus muscle, glucose transport, glucose metabolism, glycolysis, glucose oxidation, 2-deoxyglucose uptake, hyperinsulinemia, hyperglycemia, obesity, streptozotocin, fasting, fatty acid oxidation inhibition, ventromedial hypothalamus, glucose phosphorylation, lactate release, glucose transporters, GLUT4, GLUT2, GLUT1
MeSH terms
Acetates, Animals, Glucose, Hyperglycemia, Insulin, Insulin Resistance, Lactates, Male, Mice, Inbred C57BL, Muscles, Obesity, Oxidative Phosphorylation, Pyruvates, Mice

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