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Figure 1. Exposure to Prolactin Causes Intracellular Targeting of GLUT1
Cells were fixed and exposed to specific anti-GLUT1 primary antibody. Bar 15 μm. A: In maintenance medium, GLUT1 demonstrates primarily a plasma membrane distribution as well as some intracellular mostly perinuclear staining. B: After exposure to prolactin-rich medium for 4 days, GLUT1 was specifically targeted intracellularly, demonstrating a perinuclear pattern, as well as a distinct nuclear membrane staining.