Cited by 94Metabolism, Diabetes, and CancerAdipose Tissue and MetabolismMuscle Physiology and Disorders

Sucrose nonfermenting AMPK-related kinase (SNARK) mediates contraction-stimulated glucose transport in mouse skeletal muscle

Open access
Koh, Ho-Jin, Toyoda, Taro, Fujii, Nobuharu, Jung, Michelle M., Rathod, Amee, Middelbeek, R. Jan-Willem, Lessard, Sarah J., Treebak, Jonas T. +6 more·2010·Proceedings of the National Academy of Sciences

Abstract

The signaling mechanisms that mediate the important effects of contraction to increase glucose transport in skeletal muscle are not well understood, but are known to occur through an insulin-independent mechanism. Muscle-specific knockout of LKB1, an upstream kinase for AMPK and AMPK-related protein kinases, significantly inhibited contraction-stimulated glucose transport. This finding, in conjunction with previous studies of ablated AMPKα2 activity showing no effect on contraction-stimulated glucose transport, suggests that one or more AMPK-related protein kinases are important for this process. Muscle contraction increased sucrose nonfermenting AMPK-related kinase (SNARK) activity, an effect blunted in the muscle-specific LKB1 knockout mice. Expression of a mutant SNARK in mouse tibialis anterior muscle impaired contraction-stimulated, but not insulin-stimulated, glucose transport. Whole-body SNARK heterozygotic knockout mice also had impaired contraction-stimulated glucose transport in skeletal muscle, and knockdown of SNARK in C2C12 muscle cells impaired sorbitol-stimulated glucose transport. SNARK is activated by muscle contraction and is a unique mediator of contraction-stimulated glucose transport in skeletal muscle.

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Crossref · 10.1073/pnas.1008131107

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  • The AMPK-related kinase SNARK is important for glucose uptake during contraction of mouse skeletal muscle.

    “In addition to AMPK, the AMPK-related kinase SNARK has also been shown to be important for glucose uptake during contraction of mouse skeletal muscle [121].”

    From AMPK and Exercise: Glucose Uptake and Insulin Sensitivity (2013) · cites this paper as [121]

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Authors
Koh, H.-J., Toyoda, T., Fujii, N., Jung, M. M., Rathod, A., Middelbeek, R. J.-W., Lessard, S. J., Treebak, J. T., Tsuchihara, K., Esumi, H., Richter, E. A., Wojtaszewski, J. F. P., Hirshman, M. F., & Goodyear, L. J.
Affiliations
  • Joslin Diabetes Center (US)
  • Research Division, Joslin Diabetes Center and Department of Medicine, Harvard Medical School, Boston, MA 02215;
  • University of Copenhagen (DK)
  • National Cancer Center Hospital East (JP)
Venue
Proceedings of the National Academy of Sciences
Published
2010-08-16
Volume
107
Issue
35
Pages
15541-15546
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2057374750
Cited by
94
References
46
Citations by year
2025: 2 · 2024: 6 · 2023: 4 · 2022: 4 · 2021: 4 · 2020: 7 · 2019: 4 · 2018: 3 · 2017: 4 · 2016: 8 · 2015: 3 · 2014: 9 · 2013: 12 · 2012: 12
FWCI
4.69
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Funders
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK36836, DK-68626, R01DK068626, P30DK036836, P30DK040561)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR45670, R01AR045670)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
Keywords
snarks, AMPK-related kinases, skeletal muscle glucose transport, muscle contraction, LKB1, insulin-independent glucose transport, AMPKα2, tibialis anterior, C2C12 muscle cells, muscle-specific knockout mice
MeSH terms
Adult, Animals, Biological Transport, Cell Line, Enzyme Activation, Female, Glucose, Humans, Insulin, Male, Muscle Contraction, Phosphorylation, Physical Conditioning, Animal, Sorbitol, Blotting, Western, Exercise, Protein Serine-Threonine Kinases, Mice, Knockout, Muscle, Skeletal, Myoblasts, RNA Interference, Extracellular Signal-Regulated MAP Kinases, Mice, AMP-Activated Protein Kinases, In Vitro Techniques

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