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Fructose uptake into NIH-3T3 cells by GLUT5–GLUT7–GFP chimeras (large fragments). GFP control, GLUT5–GFP, and GLUT5–GLUT7–GFP chimera cells were incubated with 1 mm fructose for 1 min. Columns represent mean values of 6 wells as a percentage of GLUT5–GFP after subtraction of GFP control values. Error bars indicate the standard deviation. Mann-Whitney U test was used to test for statistical significance compared with GLUT5–GFP (**, p < 0.01).
