Murine adipocytes differentiated from 3T3-L1 cells showing intracellular trafficking of GFP-GLUT4 vesicles. GLUT 4 (Glucose Transporter Type 4) is a glucose transport protein that is responsible for insulin-regulated glucose translocation into the cell. Fluorescence TIRFM Image. Leica TIRFM Objective used: 100X 1.46 NA. Images captured with a Hamamatsu EMCCD camera.
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