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Flow Cytometry01:23

Flow Cytometry

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The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
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Updated: May 5, 2026

Quantitative Measurement of GLUT4 Translocation to the Plasma Membrane by Flow Cytometry
05:39

Quantitative Measurement of GLUT4 Translocation to the Plasma Membrane by Flow Cytometry

Published on: November 7, 2010

26.5K

Flow cytometry protocol for GLUT4-myc detection on cell surfaces.

Emilia Zanni-Ruiz1,2,3, Luis Segundo Mayorga1,2,4,3, Martin Alejandro Pavarotti1,2,3

  • 1Laboratorio de Transporte Intracelular, Instituto de Histología y Embriología de Mendoza Dr. Mario H Burgos, Mendoza, Argentina.

Bioscience Reports
|March 27, 2024
PubMed
Summary
This summary is machine-generated.

Flow cytometry offers a sensitive and reliable method for quantifying glucose transporter type 4 (GLUT4) translocation in muscle cells. This technique aids in understanding glucose metabolism and insulin resistance.

Keywords:
GLUT4 translocationflow cytometryskeletal muscle

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Area of Science:

  • Molecular Biology
  • Cell Biology
  • Metabolic Research

Background:

  • Glucose transporter type 4 (GLUT4) translocation to the plasma membrane is critical for glucose uptake, regulated by insulin and muscle contraction.
  • Impaired GLUT4 translocation is linked to insulin resistance and Type 2 diabetes, making its quantification essential for metabolic studies.
  • Current methods like ELISA and immunofluorescence have limitations; flow cytometry is underutilized for this purpose.

Purpose of the Study:

  • To develop and validate a flow cytometry-based approach for detecting and quantifying GLUT4 translocation.
  • To assess the utility of flow cytometry in studying GLUT4 regulation using the L6-GLUT4myc cell line.

Main Methods:

  • Utilized the L6-GLUT4myc rat myoblast cell line, engineered to express GLUT4 with an exofacial myc epitope.
  • Developed a flow cytometry protocol to measure GLUT4 translocation in response to insulin stimulation.
  • Compared the advantages of flow cytometry with traditional ELISA and immunofluorescence assays.

Main Results:

  • Demonstrated a 0.6-fold increase in GLUT4 translocation upon insulin stimulation compared to basal conditions.
  • Flow cytometry provided population-level analysis with cell-specific identification, combining benefits of ELISA and immunofluorescence.
  • The developed method showed consistent results across experiments and sensitivity under tested conditions.

Conclusions:

  • Flow cytometry is a robust and sensitive technique for quantifying GLUT4 translocation in muscle cells.
  • This method offers advantages in analyzing cell populations and identifying distinct cellular responses.
  • The developed flow cytometry approach can advance research into glucose metabolism, insulin resistance, and diabetes.