Cited by 1,013Metabolism, Diabetes, and CancerIon Transport and Channel RegulationCancer, Hypoxia, and Metabolism

Glucose transporters in the 21st Century

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Thorens, Bernard, Mueckler, Mike·2010·American Journal of Physiology-Endocrinology and Metabolism

Abstract

The ability to take up and metabolize glucose at the cellular level is a property shared by the vast majority of existing organisms. Most mammalian cells import glucose by a process of facilitative diffusion mediated by members of the Glut (SLC2A) family of membrane transport proteins. Fourteen Glut proteins are expressed in the human and they include transporters for substrates other than glucose, including fructose, myoinositol, and urate. The primary physiological substrates for at least half of the 14 Glut proteins are either uncertain or unknown. The well-established glucose transporter isoforms, Gluts 1–4, are known to have distinct regulatory and/or kinetic properties that reflect their specific roles in cellular and whole body glucose homeostasis. Separate review articles on many of the Glut proteins have recently appeared in this journal. Here, we provide a very brief summary of the known properties of the 14 Glut proteins and suggest some avenues of future investigation in this area.

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Crossref · 10.1152/ajpendo.00712.2009

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  • Insulin facilitates translocation of GLUT1, GLUT3 and GLUT4 from intracellular pools to the cell membrane to amplify glucose uptake in adipocytes and muscle cells, while GCs antagonize this process by translocating GLUTs from the cell membrane back to intracellular compartments.

    “In particular, insulin facilitates the translocation of GLUT1, GLUT3 and GLUT4 from intracellular pools to the cell membrane to amplify the glucose uptake in adipocytes and muscle cells, while GCs antagonize this process by translocating GLUTs from the cell membrane back to intracellular compartments (26, 27).”

    From The progression of secondary diabetes: A review of modeling studies (2022) · cites this paper as [26]

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    Experimental — accuracy not yet measured
  • In pancreatic beta cells, GLUT1, GLUT2 and GLUT3 are involved in glucose sensing and possess different affinities for extracellular glucose compared to those in fat and muscle cells.

    “In pancreatic beta cells, GLUT1, GLUT2 and GLUT3 are involved in glucose sensing and possess different affinities for extracellular glucose compared to those in fat and muscle cells (26, 28).”

    From The progression of secondary diabetes: A review of modeling studies (2022) · cites this paper as [26]

    The Glut2 passage (labeled Abstract; page unavailable) says GLUT2 is highly expressed in pancreatic β-cells, has a high glucose Km, and is necessary for glucose-stimulated insulin secretion. The Glut1 and Glut3 passages do not establish that those transporters participate in β-cell glucose sensing; the paper describes GLUT3 chiefly as neuronal. Its Glut4 passage identifies GLUT4 in fat and muscle cells but does not make the claimed affinity comparison. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • GLUTs are involved in glucose sensing in pancreatic beta cells, and the GLUT isoforms in these insulin-secreting cells have a different glucose sensitivity threshold than those in fat and muscle cells.

    “GLUTs are also involved in glucose sensing in pancreatic beta cells, with the caveat that the GLUT isoforms present in these insulin-secreting cells possess a different glucose sensitivity threshold than those in fat and muscle cells ( 28-31 ).”

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Research works printed but not linked: 1

  1. [43]Wardzala LJ, Jeanrenaud B. Potential mechanism of insulin action on glucose transport in the isolated rat diaphragm. J Biol Chem 253: 4758–4762, 1981 [PubMed] [Google Scholar]

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Authors
Thorens, B., & Mueckler, M.
Affiliations
  • University of Lausanne (CH)
  • Washington University in St. Louis (US)
Corresponding author
Mueckler, Mike
Venue
American Journal of Physiology-Endocrinology and Metabolism
Published
2010-02
Volume
298
Issue
2
Pages
E141-E145
ISSN
  • 0193-1849 (ISSN-L)
  • 1522-1555
OpenAlex
W2112331117
Cited by
1,013
References
51
Citations by year
2026: 36 · 2025: 57 · 2024: 87 · 2023: 74 · 2022: 70 · 2021: 76 · 2020: 80 · 2019: 62 · 2018: 94 · 2017: 59 · 2016: 58 · 2015: 63 · 2014: 63 · 2013: 43 · 2012: 61
FWCI
2.22
Type
journal article
Language
en
Open access
Locations
  • American Journal of Physiology-Endocrinology and Metabolism (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • IRIS (submittedVersion)
  • SERVAL (Université de Lausanne) (submittedVersion)
Funders
U.S. Public Health Service (R0143695)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion Transport and Channel Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
Keywords
glucose transporters, GLUT family, glucose homeostasis, fructose transport, urate transport, membrane transporters
MeSH terms
Glucose, Humans, Membrane Transport Proteins, Glucose Transport Proteins, Facilitative

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