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Quantitative Measurement of GLUT4 Translocation to the Plasma Membrane by Flow Cytometry
Published on: November 7, 2010
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Glucose transporters in pancreatic islets
Constantin Berger1, Daniela Zdzieblo2,3
1Tissue Engineering & Regenerative Medicine, University Hospital Würzburg, Röntgenring 11, 97070, Würzburg, Germany.
Pflugers Archiv : European Journal of Physiology
|May 13, 2020
Summary
Glucose transporters, including GLUTs and SGLTs, are vital for pancreatic islet function and blood glucose homeostasis. Understanding their cell-specific roles offers insights into diabetes mellitus development and progression.
Area of Science:
- Endocrinology
- Molecular Biology
- Metabolism
Background:
- Glucose transporters, such as facilitative diffusion glucose transporters (GLUTs) and sodium-glucose cotransporters (SGLTs), are crucial for regulating glucose uptake in pancreatic islets.
- These transporters play a significant role in glucose-stimulated hormone release from endocrine cells, impacting blood glucose homeostasis.
Purpose of the Study:
- To review the cell type-specific expression and functions of GLUT and SGLT family members in human and rodent pancreatic islets.
- To discuss the potential involvement of these transporters in the onset and progression of diabetes mellitus.
Main Methods:
- Literature review of current knowledge on GLUT and SGLT expression and function in pancreatic islets.
- Analysis of cell type-specific data from human and rodent models.
Main Results:
- GLUT2 is the primary glucose transporter in rodent insulin-secreting beta-cells, while GLUT1 and GLUT3 may serve this role in humans.
- SGLT1 and SGLT2 are predominantly expressed in alpha-cells and are suggested to regulate glucagon release.
Conclusions:
- Distinct glucose transporter profiles in pancreatic islet cells are critical for hormone secretion and glucose homeostasis.
- Dysregulation of GLUTs and SGLTs may contribute to the pathogenesis of diabetes mellitus.
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