Cited by 169Metabolism, Diabetes, and CancerAdipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and Metabolism

Role of glucose transporters in the cellular insulin resistance of type II non-insulin-dependent diabetes mellitus.

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Garvey, W T, Huecksteadt, T P, Matthaei, S, Olefsky, J M·1988·Journal of Clinical Investigation

Abstract

To examine the role of glucose transport proteins in cellular insulin resistance, we studied subcutaneous adipocytes isolated from lean control, obese control (body mass index [BMI] 33.4 +/- 0.9), and untreated obese non-insulin-dependent diabetes mellitus (NIDDM) patients (BMI 35.2 +/- 2.1; fasting glucose 269 +/- 20 mg/dl). Glucose transporters were measured in plasma membrane (PM), low-density (LDM), and high-density (HDM) microsomal subfractions from basal and maximally insulin-stimulated cells using the cytochalasin B binding assay, and normalized per milligram of membrane protein. In all subgroups, insulin led to an increase in PM glucose transporters and a corresponding depletion of transporters in the LDM. Insulin recruited 20% fewer transporters to the PM in the obese subgroup when compared with lean controls, and this was associated with a decline in LDM transporters with enlarging cell size in the control subjects. In NIDDM, PM, and LDM, transporters were decreased 50% in both basal and stimulated cells when compared with obese controls having similar mean adipocyte size. Cellular depletion of glucose transporters was not the only cause of insulin resistance, because the decrease in rates of [14C]-D-glucose transport (basal and insulin-stimulated) was greater than could be explained by reduced numbers of PM transporters in both NIDDM and obesity. In HDM, the number of transporters was not influenced by insulin and was similar in all subgroups. We conclude that (a) in NIDDM and obesity, both reduced numbers and impaired activity of glucose transporters contribute to cellular insulin resistance, and (b) in NIDDM, more profound cellular insulin resistance is associated primarily with a further depletion of cellular transporters.

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  • In insulin-resistant individuals with T2DM, glucose transport activity is severely impaired.

    “In insulin resistant individuals with T2DM, glucose transport activity is severely impaired [156, 181, 182, 187–189].”

    From Pathogenesis of insulin resistance in skeletal muscle (2010) · cites this paper as [187]

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Research works printed but not linked: 1

  1. Foley, J. E. 1986. Measurement of in vitro glucose transport and metabolism in isolated human adipocytes. In Methods in Diabetes Research, Vol. II. W. L. Clarke, J. Larner, and S. L. Pohl, editors. John Wiley & Sons, Inc., New York. 211-232.

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Authors
Garvey, W. T., Huecksteadt, T. P., Matthaei, S., & Olefsky, J. M.
Affiliations
  • University of California San Diego (US)
  • United States Department of Veterans Affairs (US)
Venue
Journal of Clinical Investigation
Published
1988-05-01
Volume
81
Issue
5
Pages
1528-1536
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2143122636
Cited by
169
References
42
Citations by year
2025: 1 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 2 · 2018: 4 · 2017: 1 · 2016: 1 · 2015: 5 · 2014: 2 · 2013: 3
FWCI
6.06
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Pfizer
  • Deutsche Forschungsgemeinschaft
  • National Institutes of Health (AM-33639, 2r01am033651-03)
  • National Center for Research Resources (RR00827)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
glucose transporters, insulin resistance, type 2 diabetes, adipocytes, obesity, insulin-stimulated glucose transport, plasma membrane, low density microsomes, adipocyte size
MeSH terms
Adipose Tissue, Adult, Blood Glucose, Cell Membrane, Diabetes Mellitus, Diabetes Mellitus, Type 2, Female, Humans, Insulin Resistance, Male, Microsomes, Monosaccharide Transport Proteins, Obesity

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