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Updated: Dec 26, 2025
05:39
Quantitative Measurement of GLUT4 Translocation to the Plasma Membrane by Flow Cytometry
Published on: November 7, 2010
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Insulin stimulated GLUT4 translocation - Size is not everything!
1Department of Biology and York Biomedical Research Institute, University of York, York, YO10 5DD, UK.
Current Opinion in Cell Biology
|March 18, 2020
Summary
The machinery regulating glucose transporter type 4 (GLUT4) traffic is not exclusive to fat and muscle cells. This universal presence supports using various model systems to study GLUT4 trafficking.
Area of Science:
- Cell Biology
- Molecular Biology
- Physiology
Background:
- Insulin-stimulated glucose uptake is critical for metabolic homeostasis.
- The facilitative glucose transporter type 4 (GLUT4) mediates this uptake.
- GLUT4 translocation to the cell surface is a key regulatory step.
Purpose of the Study:
- To challenge the notion that GLUT4 trafficking machinery is restricted to specialized cell types.
- To present evidence for the ubiquitous nature of insulin-regulated GLUT4 traffic machinery.
- To validate the use of diverse model systems for studying GLUT4 trafficking.
Main Methods:
- Review of existing literature on GLUT4 trafficking.
- Analysis of experimental data from various cell models.
- Comparative analysis of molecular machinery involved in GLUT4 regulation.
Main Results:
- Evidence suggests that the molecular machinery for insulin-regulated GLUT4 traffic is present in all cell types.
- GLUT4 trafficking is not exclusively confined to adipocytes and myocytes.
- The machinery is conserved across different cellular contexts.
Conclusions:
- The machinery controlling GLUT4 trafficking is broadly conserved, not cell-type specific.
- This finding enhances confidence in using various experimental models to study GLUT4.
- Facilitates broader research into glucose transport regulation and metabolic diseases.
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